Nov 10, 2014 · I know this has been discussed before, but is a bad tstat causing this? Radiator leaks, but apparently only with a good deal of pressure. The following steps detail replacing the upper and lower radiator hoses on a 2003 Ford Taurus. 3. 75 exhaust pipe. 82. Aug 12, 2018 · I have seen impellers not spin on pumps before. F (-40 Deg. Jun 13, 2009 · Hard hoses can be a sign of the cylinder pressure entering the cooling system because of head gasket or cracks. In this blog post, we take a closer look at how radiator hoses work and how they keep your In a 2011 Camaro LT with a 3. Sep 10, 2018 · I recently rebuilt my 1995 7. The lower radiator hose should be close to ambient temperature. Sent from my SM-N920V using Tapatalk Nov 9, 2023 · The Purpose Of Upper And Lower Radiator Hoses: Upper radiator hose: The upper radiator hose allows hot coolant to flow from the engine to the radiator. Something I noticed after I had ran the car for about 1/2 hour is that both the upper and lower radiator hoses were Buy a 1982 GMC C6000 Radiator Hose at discount prices. Anyway, while trying to find the source of my leak I discovered that the lower hose is cold to the touch. I checked for air in line by squeezing the upper hose which is soft. 9L 24V 2500 3500 Max Temperature Rating 350-Degree (Blue) : Everything Else Nov 21, 2006 · When the cooling system is working correctly, how much of a temperature difference should there be between the upper (from engine to radiator) hose vs the lower (from radiator to engine) hose? After running the engine for 20 minutes, would the lower hose be cooled so much by the radiator that it's barely warm or would this signify a clogged Feb 24, 2017 · The 1984 Corvette DIY Guide – Heating & Cooling See full 1984 Corvette Overview and Image Gallery HEATING & COOLING NOTICE: While Corvsport. I also have an inline adapter for a water temp sensor. 79 Lower radiator hose- AC-DELCO 26581X-$36. Sep 24, 2021 · When you install the new hoses, check the hose neck for any corrosion, residue or crud and remove it with a wire brush if necessary to ensure a good, positive fit for the new hose. This took about 10 minutes. 82 1982 GMC C6000 Radiator Hose - Cooling System - AC Delco, ContiTech, Dayco, Gates, Lower, Lower - Engine To Pipe, Lower - Pipe To Engine, Lower - Pipe To Radiator, Upper, Upper - Engine To Pipe, Upper - Pipe To Engine, Upper ACDelco Gold 24403L Molded Lower Radiator Hose Item Dimensions =LxWxH = 14. Nov 16, 2023 · The lower radiator hose needs to be at a lower temperature, but it’ll not be completely cold. Paul S Feb 18, 2021 · 220 is a bit high. Jan 20, 2021 · Buy Heavy Duty Silicone Coolant Radiator Hoses Upper and Lower Kit Compatible with 2003-2010 Dodge Ram Cummins 5. Feb 2, 2012 · My lower radiator hose had always stayed cold and I thought my t-stat stuck closed so I ordered a new t-stat from pelicanparts and had it replaced. A radiator hose in good Oct 26, 2009 · the aftermarket temp gauge sender is way bigger than the hole in the head (the cars head, not mine) so I was thinking I could put a tube in the radiator hose and weld in a threaded piece and put the sender in there. 3 and the lower radiator hose will not get above ambient. The hose size must match the size of the radiator and engine connections to ensure a proper fit. The heat blows hot. I put the radiator in a year ago. Dec 10, 2010 · If car is not overheating, and temp gage is in the middle, there is likely nothing wrong. But as said, as long as the engine coolant temperature is normal, you should be fine. At about 204°F (96°C), the radiator fan comes on and the temperature drops a few degrees. And Dayco 72033 for the lower, it was a furd excursion hose. Jan 22, 2023 · Meanwhile, the lower radiator hose should stay consistently cold. Drawn by The radiator hose plugs directly into your radiator and carries the fluid needed to keep your engine at the right temperature during operation. Introduction: A radiator hose is an important component in a vehicle’s cooling system. What do you think is the Jun 1, 2015 · Hey Rustbucket, I'm working on a similar setup for a temperature sensor on my CVT line. We followed decades of experience that hot gauge + cold lower radiator hose = stuck thermostat. 3 hose and cut it to join on to a piece of 1. The coolant will exit the engine when it is heated to the point that the thermostat opens. Dec 4, 2023 · In some cases, your upper radiator hose might be hard to squeeze due to excessive heat, an overheated engine, or a blockage in the radiator or engine. Mar 6, 2023 · The most common reasons why your lower radiator hose is cold are a faulty thermostat, a bad water pump, or a low coolant level. F to +257 Deg. Should my upper radiator hose be hard when engine is warm? While the engine is warm after a drive, squeeze the radiator hoses, paying particular attention to areas where the hose bends. When the upper radiator hose is in good working condition, it should be firm and not hard. What is a radiator hose? The engine in a car has a lower and upper radiator hose. If it's in your budget, replace the lower radiator hose also as preventative maintenance. Examine the oil dipstick and under the valve cover. One of the most common signs of a bad hose is radiator fluid on the ground under your car. Either way, the top hose gets hot after the thermostat has opened. If you measure Nov 20, 2015 · The lower radiator hose is primarily a suction hose. Attached to the bottom of the radiator is a lower radiator hose. Does the upper hose hot an lower hose cold indicte a cooling issue? Driving to the coast yesterday, my "check gauges" light came on. There are two hoses that connect to the radiator. It’s designed to connect the radiator and other parts of the cooling system, including the engine block and thermostat housing. Credit: www. Touch the upper radiator hose and lower radiator hose so that you can feel the hose's temperature. on mine for the upper hose is a goodyear hose 52823, fits perfectly with the stock water neck on the pass side and goes to the drivers side outlet on the rad. 00 for GM Genuine (best choice) Try to do this soon as overheating the 1. So is this normal / ok? Jan 15, 2016 · In the radiator, the coolant releases its heat into the atmosphere, and then starts the journey around the engine once more. Nov 20, 2015 · The upper radiator hose is where the hot coolant enters the radiator from the engine. Jan 26, 2011 · The lower hose must have a spring in it or the suction will make it collapse and block flow. Does this model 2210D have a thermostat? How would I know if the Chevrolet Impala Upper Radiator Hose. Why not disconnect both upper. Jan 15, 2024 · 2. My car ran around 97 degrees (206f), then I did a complete cooling system overhaul (radiator, hoses, coolant, tstat, pump, expansion tank) and it now runs between 90 and 93 degrees celsius. Feb 8, 2015 · I replaced the housing, sealed it up with Permatex's thermostat housing RTV, let it cure for 24 hours and filled it up with coolant. The cooler the outside air, the more heat the radiator is able to draw out of the coolant. This set includes: two upper and one lower radiator hose. The upper and lower radiator hoses are the largest of the group. The purpose of the lower hose is to convey the cooled antifreeze back to the engine. Refilled radiator, ran engine until reaching normal operating temperature (temp gauge registering “middle” of gauge). All Pick Up in Store Ship to Home Jan 16, 2016 · If upper hose hot and lower hose cold or warm then you might have stuck close or prtially closed thermostat , difference between lower and upper hoses when t/stat works ok is about 10-15 degrees, not really noticeable for hand. and it starts to over heat. Nov 21, 2014 · This article applies to the Ford F-150 (2004-2014). Upper hose gets hot after squeezing it and heat feels ok for a little while. 9? I am looking to add a new temp sensor and I can buy adapters to put the sensor in the radiator hoses. Lower radiator hose: The lower radiator hose is responsible for transporting the cooled coolant Jun 13, 2018 · What Coolant Hoses Do Radiator and Heater Hoses. gauge reads normal. It a appears to be coming from behind and just to the left of where the lower radiator hose connects to the thermostat. Aug 13, 2007 · First let me say thanks to those who replied to my first posting. Other Name: Hose, Engine Feed-Radiator Top; Lower Hose, Upper Hose. Combustion gases may be leaking into the coolant system. By performing a squeeze test, you can tell if your upper radiator hose is in good condition. The block was acid washed and the oil cooler is brand new. I ran the thing for 15 min with the cap off, and all that happened was coolant expanded and overflowed filler neck. Your coolant may be going into the oil (which turns the oil into a milky substance) through a damaged component. Dec 5, 2009 · BUT, the lower radiator hose is normally one of the last hoses to wear out, and BMW hoses last a long time, typically at least 10 years/120K miles (which is exactly what I have on mine). Nov 14, 2014 · On traditional muscle-car V8 engines, typically the lower radiator hose should be about 1438-inch larger than the top hose (for example, if the top hose ID is 1 Inches, the bottom hose usually 1 - 24 of 4926 results for Radiator Hose Compare Filter/Refine. Choose top quality brands AC Delco, ContiTech, Dayco, Gates. Part# 07119904524 Sep 23, 2014 · The article applies to the Ford F-150 (2004-2014). When the car's off, it drips below from the ac compressor area. I started the car up and let it get to operating temp. The car runs at about 205-210 idle. I bought a line from Honda (its the segment that goes between the CVT's banjo bolt, and the filter) I'm going to cut the new line in half and insert an adapter (9mm bungs on each side with a 1/8 NPT sensor port), and then replace the old line with the new custom line & sensor. Any other coolant hoses such as heater hoses, are likely not far behind either, and always flush the coolant when doing a repair like this. 79 Hose clamp pliers- Craftsman #49804- $37. So if you don't feel a lot of difference between hoses temp. 062" air bleed hole drilled in the flange of the thermostat. The upper hose carries hot coolant from the engine to the radiator. The heater was also on. Heat set at warmest temp with fan off. My car has an automatic transmission. Not a good place for it. The water pump, as it spins, draws coolant from the radiator into the engine. When your upper radiator hose is not getting hot your thermostat is likely stuck or just malfunctioning. Thanks! Second gauge, 3rd sensor guessing wrong location The radiator hose diagram typically includes labels or numbers for each hose, indicating their specific location and function. Oct 1, 2022 · Bad radiator cap—Coolant expands and contracts as it heats and cools. I also cannot imagine a case where the temperature of the water hoses will be much different upper to lower. Pick Up In-Store. Location : Upper And Lower Components : (2) Radiator Hoses Recommended Use : OE Replacement Replaces OE Number : 11531436408, 17127510952 Quantity Sold : Set of 2 Warranty : 1-year Replacement unlimited-mileage warranty Prop 65 Warning : Nov 4, 2019 · Every time the temperature gauge touched the red, we shut it off. Upper radiator hose is about 32C or 90 fahrenheit and the lower is about 28C or 82F. Overheating issues could come from a leak in the system as well, but this wouldn't explain the cold hose. 55 Water pump pulley bolts x4 $0. On Amazon all those parts are less than $150. com has made every effort to ensure that the instruction provided on this site is both complete and accurate, it is presented here for REFERENCE ONLY. This causes coolant circulation in both the upper and lower parts of the radiator, resulting in cooler temperatures on the lower end. Could a faulty hose do this? My car has 16500 miles. Buy online or call toll free. Remove spring clips and Oeliker clamps 2. Your car’s cooling system includes a network of rubber hoses. If the upper Jul 18, 2016 · This allows your vehicle to operate at the perfect temperature and provides you with a smooth ride. Mar 6, 2024 · The upper radiator hose runs from the radiator to the motor. The radiator then cools the coolant, and it cycles back to the Feb 4, 2023 · The ideal operating temperature for a car’s engine is between 195-220 degrees Fahrenheit. Until it reaches a certain temperature, it opens and you’ll see the upper radiator hose increase in temperature, the coolant will flow through the radiator cooling down and the temperature will be much cooler on the lower radiator hose. How to Replace Upper Radiator Hose 1A Auto Parts Fix your Silverado's plumbing before bigger problems arise. 4 x 3 x 3 inches. Jun 13, 2018 · What Coolant Hoses Do Radiator and Heater Hoses. The water pump circulates this coolant continuously while the engine is running. I'm sure that after running for 10 minutes, showing over halfway on the temp gauge, and having an upper radiator hose HOT that the thermostat would open, regardless I don't believe that that was the problem due to the situation I described where the upper radiator hose was hot, but the lower was cool. Jan 6, 2010 · Should be on the engine leaving hose or upper hose. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. 3 rad. To locate it, get underneath the car and look for a smaller diameter hose leading from the radiator into the heat wall of the car. Both the radiator and the condenser fan work when the air conditioner is on. For instance, most cars use a 1-1/2 inch upper hose and a 1-3/4 inch lower hose. Radiator hoses are designed to connect coolant passages from the engine to the radiator with one upper rad hose and one lower rad hose. Wait about 10 minutes and repeat step 3. Upper radiator hoses are typically connected to the thermostat housing or water outlet, and allow hot coolant into the radiator when the thermostat is open. Both top hoses are hot, the bottom one is barely warm. The lower radiator hose is cold to the touch. 25 ea. If you're loosing coolant but don't Whilst your upper radiator hose and lower radiator hose are the most prominent in your engine bay, any coolant hose may need replacement over time. Whether you need an upper radiator hose, lower radiator hose or heater hose fittings, you'll find the right part at your local AutoZone. This is going to sound weird! I had the radiator core replaced on my 1948 Buick years ago, I put a 180° thermostat in it. Oct 5, 2014 · Or it opened just a bit, so that the hot coolant entered via the upper radiator hose, but the airflow through the radiator cooled the coolant that much, that it is much lower in temperature and didn´t heat the lower hose. The upper and lower radiator hoses on your engine are not interchangeable. , and fan is not on , check fan or fan clutch itself. Couldnt find a sufficient explanation hence my questions: With all symptoms pointing to being OK - why is that lower hose so cold? Is the radiator THAT efficient to cool things off so fast? The thermostat housing is warm though. Radiator Hose Lower; Radiator To Thermostat; Engine Designator: N51B30A; With Quick Connectors 2 Year LIMITED WARRANTY Centerline Length (in): 10-1/2 Inch The upper and lower radiator hoses ensure a continuous flow of coolant, which absorbs engine heat and carries it to the radiator. It is typically measured in inches or millimeters and refers to the inside diameter of the hose. Reasons for a Cold Lower Radiator Hose. Radiator hoses connect the top of the radiator to the top of the engine, as well as the bottom of the radiator to the water pump. The cool October temperature in Greenville and the fact that the radiator was recently re-cored made for a non-problem masquerading as a Aug 27, 2018 · That hot coolant runs through the pipe 16577C and "upper" radiator hose 16571C, passes through the radiator, and having been cooled, returns to the water inlet through the "lower" radiator hose 16572D. Jun 30, 2023 · If the top radiator hose is hot and the bottom is cold, the most common cause is air trapped in the system, but it could also be caused by a leaking head gasket, a stuck open or closed radiator thermostat, a restricted cooling system, or a faulty water pump. All vehicle maintenance and repairs should only be performed by a qualified technician or mechanic and We offer high quality new, OEM, aftermarket chevrolet express 1500 radiator hose parts. The lower hose with the gun reads 165°. Customer: radiator fan. The lower hose carries the cooled fluid back to the […] Whether you need an upper radiator hose, lower radiator hose or heater hose fittings, you'll find the right part at your local AutoZone. Mar 12, 2014 · This one appears to be the lower radiator hose leaking (I really hope it's not the radiator). The top hose into the radiator is hot. When this balance of temperatures shifts towards the upper radiator hose being hotter and the lower radiator hose colder, it’s time to get your car checked immediately. That is why the lower radiator hose has a wound wire spring on the inside of the hose; to prevent the May 13, 2019 · Upper radiator hose was hot and the lower hose was cold <-- lower is cold or warm ? my situation is upper hot and lower warm , and both hose touch was stiff tomjo1 , Dec 15, 2020 #19 Jan 20, 2021 · Buy Heavy Duty Silicone Coolant Radiator Hoses Upper and Lower Kit Compatible with 1994-1997 Dodge Ram Cummins 5. By referring to the diagram, car owners can easily locate the upper and lower radiator hoses, as well as the heater hose and bypass hose. Which radiator hose do i install the temp sensor on? I tried the upper radiator hose but I’m not even reaching 100 on my gauge. They’re vehicle specific and molded to fit properly, curving around parts that could cause damage to the hose if it makes contact, like the serpentine belt or cooling fan. Anyone it is you have to take it seriously. youtube. Sep 12, 2023 · Normally the hose warms up after a few miles, but if it’s still cold, coolant isn’t transferring engine heat outside and you can expect overheating. If this was the middle of summer that hose would definitely be warmer than it is now. Oct 29, 2023 · If you do replace the outlet, consider replacing the thermostat, radiator coolant sensor, coolant reservoir and the coolant return hose while the coolant is drained. Temperature Range: -40 Deg. When your vehicle’s engine is still warm after a short drive, open the hood and squeeze the upper radiator hose, specifically where the hose bends. Upper hose nice and warm but lower hose remains cold, not even warm. Both hoses also connect to the radiator at the other end. Jan 4, 2013 · However I also check the lower radiator hose and noticed it was ICE cold! Granted the temperature was 31-degrees. com FREE DELIVERY possible on eligible purchases Mar 15, 2022 · Typically, the upper radiator hose is connected to the engine’s thermostat housing and the lower radiator hose is attached to the engine’s water pump, which suctions fluid. Aug 18, 2022 · The four hoses in the radiator are the coolant hose, overflow hose, upper hose, and lower hose. In all cases where a cold lower hose is evident, the antifreeze will for some reason be either partially or completely restricted from circulating Aug 24, 2011 · Check upper and lower radiator hose temperature. The radiator/fan control the coolant temp. 9L/6. Engine coolant flows through the engine and then into the radiator to be cooled. Make sure they're tight. V May 1, 2003 · The lower radiator hose is where you want it. Apr 27, 2010 · - How NOT to replace your M54 lower radiator hose coolant temperature sensor - How NOT to remove your radiator hose Also, I know when I fail, and others help out, so see this for a success: - > E39 (1997 - 2003) > Specific Question: How do you safely remove the upper radiator hose with u-pins? Sep 10, 2018 · The upper radiator hose: Primarily a pressure hose; Connects the engine to the radiator; Where the hot coolant enters the radiator from the engine; The lower radiator hose: Primarily a suction hose; Contains a wound wire spring on the inside of the hose to prevent collapsing; Connected to the bottom of the radiator and the pump of the engine. Disconnect overflow tank supply hose and lower bypass hose at radiator neck quick disconnect 3. Sep 10, 2018 · The upper radiator hose: Primarily a pressure hose; Connects the engine to the radiator; Where the hot coolant enters the radiator from the engine; The lower radiator hose: Primarily a suction hose; Contains a wound wire spring on the inside of the hose to prevent collapsing; Connected to the bottom of the radiator and the pump of the engine. The lower radiator hose, also known as the intel hose, connects from the lower end of the radiator back into the engine. In cold weather lower hose will not get hot, particularly after driving. The thermostat has been replaced. Because the temp sensor will not read air. 6L V6 engine, the temperature difference between the upper and lower radiator hoses is a normal aspect of the cooling system's operation. Here is a more detailed list of the six most common causes of a cold lower radiator hose: Jan 20, 2021 · Amazon. This part is also sometimes called Mercedes S550 Radiator Upper and Lower Hoses. The bottom radiator hose has the spring in it to prevent it from collapsing. The bottom hose is the engine entering and as soon as you turn on the fan the bottom hose will drop in temp and short cycle the fan off. Radiator hoses are essentia Jan 6, 2023 · After considerable research and investigation, we have determined that the lower radiator hose is colder than the upper radiator hose due to air entering through its base. Jun 21, 2014 · Since there is a big difference in the temperature of the coolant going into the radiator through the UPPER HOSE and this temperature is much hotter than the coolant leaving the radiator through the LOWER HOSE AFTER being cooled by the radiator using the same sensor in both hoses should still work if need be. This temperature difference powers your vehicle and keeps it running adequately for long distances. There are a number of different ways to find out if your upper radiator hose needs to be replaced. DIY replacement of most of the ML 350 cooling system parts like upper and lower radiator hoses, thermostat, block temperature sensor and secondary fluid circ Upper radiator hose is about 32C or 90 fahrenheit and the lower is about 28C or 82F. It's an indication your cooling system is working well. I installed this in the upper hose and it looks like something from the future. Most all radiators give a 30° difference in temperature. The engine was up to temp. Hose on full blast should have no restrictions in the radiator. com FREE DELIVERY possible on eligible purchases Aug 11, 2022 · The upper radiator hose, also known as the discharge hose, connects the thermostat back to the system. 19 Radiator fan switch Part# 13621433077 Genuine BMW $26. The upper one usually has a higher temperature rating than that of the lower; however, they seem to be interchangeable and often supplied as an integral part in some kit models. Similarly, if the engine was just brought up to "normal" temp and then shut down, the hoses might not be under full pressure (~13 psi) and might still be "squeezable". 945. My upper radiator hose is always hot (as I should be). Drawn by Did you bleed the cooling system after replacing the water pump, upper and lower radiator hose's? This would explain the temperature gage jumping up and down along with the radiator hose thumping and the heater not getting hot. When the engine reaches operating temperature and the thermostat opens, hot coolant travels through the upper radiator hose to the inlet on the radiator to be cooled. Radiator hoses convey engine coolant to and from the radiator. Outside air temperature was about 35. $24. I've lately been smelling some antifreeze after I drive it and it gets up to temp. 83 Prestone 50/50 Dexcool coolant- 2 jugs. Soon as the fan turns off the bottom hose will heat right back up and turn the fan back on. The temp. Oct 2, 2022 · In this Honda in the chart, the thermostat starts opening at about 185°F (85°C). Obviously the hotter / higher one is the upper radiator hose temp sensor, and the lower one from the lower radiator hose temp sensor. Chevrolet Express 1500 Radiator Hose - Radiator Upper and Lower Hoses - Dayco Gates AC Delco - 2005 2006 2004 2007 2002 1999 2003 1997 05 06 04 07 02 99 03 97 - PartsGeek Most vehicles have both an upper and lower radiator hose, though modern vehicles may have a more complex system of radiator hoses designed to circulate coolant properly. Procedures may vary from one vehicle to the next, so be sure to know the specifics for your vehicle before getting started. com: Heavy Duty Silicone Radiator Coolant Hose Kit Upper and Lower Hoses Kits Compatible with 1998-2002 Dodge Ram Cummins 5. Along with the cold radiator hose you are likely to see an occasional check engine light. Heat causes the coolant hose to become soft, but it can harden as it cools down 1 . Your radiator and hoses play an important role in managing coolant flow. Replacing the radiator outlet temperature sensor is a snap and can be done working above engine on right side of radiator. It enters and leaves the radiator through two hoses – the upper and lower radiator hoses. Oct 12, 2016 · Heat isn't blowing hot on high. You can buy the lower radiator hose with a rigid spring in it or can buy the spring separately. 68 Radiator hose upper Part # 17127510952 CRP $27. Be careful with engine moving parts when doing this. Keep reading as we look at what can cause a lower radiator hose to stay cold and answer some common questions regarding this particular part. If the lower radiator hose is hot to the touch, it is likely that the engine coolant temperature is above 220 degrees Fahrenheit, and you should have your car checked by a mechanic as soon as possible. Now, my lower hose still stays cold The engine temp gauge is at the middle, so I guess nothing is overheating. Apr 7, 2013 · The temperature of the lower hose is greatly affected by the outside air temperature. Stopped at napa, topped off the reservior and radiator (with the engine running) only 1/2 Sep 23, 2014 · The article applies to the Ford F-150 (2004-2014). This article applies to the Chevrolet Silverado GMT800 (1999-2006). Both should be hot if circulation is occurring and the water pump should be circulating the water unless the engine is not running, but possibly not through the radiator or does not reach operating temperature. As the engine warms and coolant expands, a pressure relief valve in Radiator hoses convey engine coolant to and from the radiator. 01 Water pump pulley Part# 11511436590 URO Aluminum $22. 05 MSRP: $ 84. At 30F, radiator can dissipate 2-3x the heat it can at 100F. You might notice that your hoses are leaking, cracked, spongy, or brittle—these indicate that the hoses require replacement. 7L 2500 3500 Maximum Temperature Rating 350-Degree (Black): Everything Else - Amazon. It has a new gates water pump installed. 9L 2500 3500 Max Temperature Rating 350-Degree (Black): Everything Else - Amazon. Some radiator hoses may have a molded “T” connection with hoses leading from a radiator hose to other Oct 2, 2023 · I have replaced this sensor and soon after developed a leak at lower radiator hose. Dec 16, 2013 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. What do you think is the issue. Mar 24, 2018 · At the risk of repeating a thread or sounding silly. We offer high quality new, OEM, aftermarket ford fairlane radiator hose parts. Jan 22, 2012 · In both cases, the lower hose would typically be cooler than the upper. 82 1982 GMC C6000 Radiator Hose - Cooling System - AC Delco, ContiTech, Dayco, Gates, Lower, Lower - Engine To Pipe, Lower - Pipe To Engine, Lower - Pipe To Radiator, Upper, Upper - Engine To Pipe, Upper - Pipe To Engine, Upper Jul 11, 2020 · The top radiator hose is usually but not always the location of the thermostat. These radiator hoses are designed to resist heat and oil and are temperature rated to 330 degrees. Oct 17, 2006 · Anyone know what inside/outside diameters are for the upper and lower radiator hose for the ALH TDI 1. I used it to have a temp-controlled electric fan on my 1987 Bronco II (Similar setup would work in a Ford Ranger). Sep 23, 2019 · C5 Tech - Upper & Lower Radiator Hoses Leaking At Connection - I was just wondering if anyone else has had this issue I'm having. I replaced my old radiator with an aluminium one a while back. It can also be caused by airlocks or a clogged coolant system. It allows coolant to flow between the engine and the radiator, where it is cooled by air passing through the radiator's fins. 8 out of 5 stars. Because the radiator hoses are made of rubber, they eventually wear out over time. It cycles through the radiator, cooling as it goes. com. Let’s take a look at the role of each of these hoses: Coolant hose – The coolant hose sends coolant fluid from the car engine and the radiator to other parts of the car, including the water pump. My lower hose is rather cold while the upper hose is hot. ACDelco (3) Dayco (1) Duralast (46) Chevrolet Impala Radiator; Chevrolet Impala Hose Aug 22, 2020 · Obviously the hotter / higher one is the upper radiator hose temp sensor, and the lower one from the lower radiator hose temp sensor. Jun 28, 2003 · I have seen lower radiator hose temps around 45*F when it's -40*F That's with the engine at normal operating temp and a . As the thermostat opens and coolant starts flowing through the radiator, the temperature of the lower radiator rises quickly close to the temperature of the upper hose. Sep 11, 2023 · A common question that arises when examining a vehicle’s cooling system is “Which radiator hose should be hotter?” Understanding the temperature difference between the upper and lower Nov 29, 2023 · radiator fan. Buy Online. I'm saying this as to look carefully and be sure it is not something else that is leaking such as the temperature sensor which is also in that area on the When it comes time for radiator hose replacement, it’s best to change both the upper hose and lower radiator hose at the same time. The time the thermostat takes to open depends upon factors such as: Coolant temperature; Ambient temperature; Size of the engine; Engine load; Thermostat range Nov 12, 2006 · It's 180* thermostat. The lower hose attaches to the bottom of the radiator to the water pump of the engine. Install new hose - reverse order BMW E90 Upper radiator hose replacement REAL WORLD 1. Jun 22, 2015 · Chevrolet Silverado 1999-2006: How to Replace Upper Radiator Hose. . It’s made of durable rubber that can withstand temperatures up to 180°F (82°C). That’s why the thermostat wasn’t opening. Read on to find what’s normal and when you should worry. In addition, they may be somewhat difficult to install and may take some muscle and trimming to get them in place. The hoses are suppose to get hard as the engine reaches operating temp but you should be able to squeeze them especially after a short drive where the car reached operating temp. Our exclusive newly manufactured, spiral bound 3-ply construction, heavy duty automotive coolant hose is made to look and fit as originals. Harbor Freight can set you up with its Cen-Tech Sep 20, 2023 · Radiator Hose Function. The upper hose attaches from the top of the radiator to the top of the engine. 9L 2500 3500 Max Temperature Rating 350-Degree (Blue): Everything Else - Amazon. Hot water gets pumped through the discharge hose from the engine and back into the radiator. Ford Fairlane Radiator Hose - Radiator Upper and Lower Hoses - Gates Dayco AC Delco DIY Solutions - 1957 1966 1964 1958 1963 1956 1959 1961 57 66 64 58 63 56 59 61 - PartsGeek Apr 7, 2013 · The temperature of the lower hose is greatly affected by the outside air temperature. This creates an area of low pressure at the bottom of the radiator, which can cause an ordinary hose to collapse. This means the thermostat is opening. C) The lower radiator hose is larger than the upper radiator hose because it carries more fluid. But when the thermostat is closed, no coolant is taken from that lower 16572D hose. Slide radiator hose off housing and off radiator neck 4. Feb 15, 2010 · well if your using the stock 7. Though the cost of replacement may seem surprising, replacing the hoses versus replacing an engine from excessive overheating, is considerably less. I had just driven about 30 miles. The lower hose carries the cooled fluid back to the water pump and then back into the engine. The THERMOSTAT controls the engine temperature. Had to cut the ends, but The upper radiator hose connects to the top of the radiator header tank while the lower one attaches to a tube in front of it. Nov 10, 2008 · Yesterday the temp went a bit higher and I suddenly got coolant steaming in the defrost vent while driving so the heater core must've gone bad, but there's something else wrong also. Nov 14, 2016 · Those part numbers are: Goodyear MH585 for the upper radiator hose and MH1235 for the lower hose. I boiled the thermostat, it does open. Nov 19, 2022 · After reaching operating temperature on my Tundra, the upper hose with my temperature gun reads 195°. Jan 4, 2013 · I found a pool of coolant under the car and was sure the leak was where the lower radiator hose connected to the radiator and was searching for a DIY to replace the hose. Brand. 4 is not good. Jun 14, 2016 · Upper radiator hose- AC-DELCO 24611L-$30. Hose Kit; Lower Radiator; Turbocharger; Upper Radiator; Water Pipe; Includes coolant temperature sender 2X Entries For Spin To Win Sweepstakes! Brand: ES May 31, 2023 · In summary, the temperature difference between the top and bottom radiator hoses arises due to a combination of factors, including the operation of the thermostat, the radiator’s efficiency in dissipating heat, and the engine’s heat generation. When it reaches the bottom, it moves out of the radiator through the lower hose and back into the engine to start the cycle once more. Once the coolant has passed through the radiator and the temperature has been reduced, it is pumped back into the engine by the water pump. You can usually see most of this hose. Heater valve was changed. 94 You need to remove the black shield up front. Apr 16, 2020 · Refilled radiator, ran engine until reaching normal operating temperature (temp gauge registering “middle” of gauge). The upper hose was hot, but the lower was cold. These part numbers may have been different in previous years and are not direct-fit hoses. com FREE DELIVERY possible on eligible purchases Aug 22, 2017 · Top/bottom radiator hose jww, i used hoses Dayco-70344 for the upper hose. I noticed the temp gauge was kinda fluctuating between 205 and 210. Radiator hoses are subjected to very high temperatures, both from the coolant flowing through them, and from the engine. Also, check the radiator upper and lower hose clamps. on the bottem i used the stock 7. and lower hoses and see if water flows freely through it. Radiator hose replacement costs and heater hose replacement costs can range between $150 and $450 with heater hoses on the lower side while coolant hoses are a bit more costly. Nov 26, 2023 · The hose size is a crucial factor in radiator hose selection. Target temp is around 93-97 degrees celsius. C to +125 Deg. If you find the upper hose considerably hotter than the lower, your radiator could be blocked. My temp light is still on and under further investigation, the upper radiator hose gets hot, but the lower hose stays cold nd the radiator itself stays cold. No bubbles in overflow tank. If it is, you are probably dealing with a clogged thermostat, insufficient coolant levels, a bad water pump, or a clogged cooling system. You should notice the hoses' have risen in temperature. All coolant hoses play an important part in your cooling system and can become perished, worn out and brittle over time. 68 Genuine plastic $30. Part Number: 17127531581 $64. Apr 25, 2018 · I'd have preferred to install my radiator temp sensor on my lower radiator hose, but had to use the top hose due to not having any space on the lower hose. Here's a brief explanation: Upper Radiator Hose: This hose carries hot coolant from the engine to the radiator. The lower radiator hose is harder to find. So I replaced the thermostat, upper and lower radiator hoses ( not the temp sensor but I have a spare one here new )The radiator fan is not turning on automatically I noticed this after driving and idling as the temp gauge went up to about 3/4 and couldn't see any fans on. May 30, 2009 · Replacing the fans will help my cooling issues at idle, but this overheating condition also occurs at highway speeds. It's not leaking a lot because I've never Oct 26, 2011 · I consistently see between 20-25 degrees Celsius difference between the two temp sensor readings, be it traffic-driving or WOT to about 140mph pulls on a free stretch of road. There are two radiator hoses, the upper and lower, and they’re thick and sturdy enough to handle both high pressures and immense heat. It is the lower hose that carries a combination of water and antifreeze coolant into the radiator engine which circulates and grabs onto heat. Buy a 1982 GMC C6000 Radiator Hose at discount prices. Position: BMW 330i Radiator Hose With Temp Sensor. Every product is custom-fit to specifically meet the design of your vehicle's make and model. You'll want to do the same for the corresponding hose neck on the intake manifold (for upper hose) or water pump (for lower hose). 03 Thermostat Part# 11537509227 Wahler $44. Found this thread and then found out my local ACE hardware carries 8 x 13 x 3 mm "o" rings. Your upper and lower radiator hoses are essential to your engine's ability Apr 11, 2012 · Radiator hose lower Part# 11531436408 CRP $24. May 16, 2017 · Radiator hoses are a vital part of the cooling system that carry hot coolant from the engine through the radiator and circulate it back — cooler — to the engine again. Tstat was changed. radiator hoses upper and lower kit Jun 10, 2016 · Have a 97 with a 1FZFE. 4. As it passes through the radiator’s cooling fins, heat is transferred from the coolant to the air passing over the fins. Thanks. run the car for an house and it is still cold. First, the upper radiator hose leads directly from the thermostat housing (on the intake manifold or cylinder head) into the top of the radiator. blah blah blah, Oeliker clamps, etc. Fix done and no more leak thus far. I have purchased the lower radiator hose from Ames part number FP209 1967-69 Lower Radiator Hose, All Feb 9, 2014 · After replacing the upper and lower radiator hose, the thermostat and the coolant temp sensor, I've developed a pretty good sized leak. In a typical automotive cooling system, you'll find at least 4 main hoses. I just need to know what size the hoses are. IF the radiator alone can dissipate the heat from the coolant, there is no need for the fan to turn on. Jan 20, 2021 · Buy Heavy Duty Silicone Coolant Radiator Hoses Upper and Lower Kit Compatible with 1994-1997 Dodge Ram Cummins 5. The light is an indication that you don’t have enough coolant or you Sep 12, 2023 · Hot coolant from the engine enters the radiator via the upper hose. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Nov 10, 2014 · I know this has been discussed before, but is a bad tstat causing this? Radiator leaks, but apparently only with a good deal of pressure. Jul 8, 2023 · Upper Radiator Hose not Getting Hot. Its purpose is to carry the hot coolant away from the engine to be cooled down in the radiator. wrvcjtjmb eanhx yqhhv lqxj blqyx ljlxx zqisakp rpbkyk yawq oadpob