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Questions tagged [radiator]

A radiator is a heat transfer device that allows air to pass freely over fines that conduct heat from liquid circulated within an engine to cool it.

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Why would the upper radiator hose be hot and the lower radiator hose be cool?

I changed thermostat and heating core. Hoses have been flushed. Truck (2010 Dodge Ram)temp gauge started running hot. Upper radiator hose hot and lower is cool. Is it safe to drive?
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499 views

Radiator fan not turning on automatically

Make and model: 1999 Opel Corsa 1.3l My radiator fan doesn't turn on automatically when the engine starts heating up. I have to stop the car and physically plug it out to work. Any suggestions on ...
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31 views

2006 Toyota Sienna overheating and now knocking?

This is my first post so bear with me, please. About a month ago I was given a 2006 Toyota Sienna. The first two weeks it was driving like a dream and very quiet. It has about 350,000 miles. The ...
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VW Polo strange issue of overheating

can I kindly ask your opinion on my car issue? I'm not deep in field of engines and this problem is causing my serious headache and a total waste of cash without any results. I've a 2015 VW Polo TDI. ...
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1answer
34 views

radiator removed – is it still possible to flush system?

I'm replacing radiator and a/c condenser on my car. After hitting a deer, they both bent inward and most of the coolant leaked out of the car. I got both of them off the car and realized I forgot to ...
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Trying to identify why my car is overheating

Vehicle 2002 Ford Escape XLT 3.0L 6Cyl Troubleshooting completed: Replaced thermostat and housing Coolant Flushed twice Bypassed heater core, using 3/4" brass coupling Replaced Reservoir ...
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1answer
25 views

89 Hiace, Coolant full but when I open the radiator cap its empty? Is this normal?

recently bought a 1989 hiace an im worried if it is overheating. Check coolant level and it is perfect, but when the radiator cap is opened it is dry inside. Very little driving experience. Is this ...
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23 views

Can an air conditioner cooling condenser warp when the engine overheats?

My car blew a head gasket. The workshop is now reassembling it. They've told me that because of the heat when the engine overheated, the air conditioner's cooling condenser has warped and needs to be ...
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1answer
48 views

replacing A/C condenser – without having to drain R134a refrigerant?

The vehicle (Chevy Cobalt 2009) ran over a deer and bent inward the radiator and A/C condenser. I'm going to replace both, however I'm wondering if it's possible to replace the condenser without ...
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42 views

Overheating as a result of water not returning from reservoir to radiator

Please can someone help me out with this problem of overheating. I had one honda civic 2004 SE that is recently giving me headache in fact I thought of selling the car but I wouldn't like to do that ...
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73 views

2006 Equinox LS. Bottom Radiator hose is cold and no heat!

I've changed the Thermostat in hopes that was the problem but after flushing the system and hooking everything back up the top Radiator hose is warm as usual but the bottom hose will warm up then ...
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1answer
32 views

excessive water (i think, but its dark out) leak and burnt coolant smell

I work approx 30 minutes away from home. when i got home tonight, i noticed a hissing sound coming from under the hood and a thin smoke coming out of the front grill. the vehicle is a 2001 ford f-150 ...
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73 views

Blown head gasket? (Decent compression numbers but cooling system doesn't hold pressure, no external leak)

I have a Mazda MX-5 and it was overheated due to the water pump belt failure. I replaced the belt afterwards and the car drove fine. I brought the car to the shop and they told me it has head gasket ...
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39 views

How do i know if the water from radiator is circulating for honda steed vlx 400

1994 model Honda steed vlx 400, I want to know if the water from radiator is circulating.
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1answer
14 views

2000 Hyndai Elantra

My car keep over heating. The fans are operational, thermostat has been replaced, new water pump has been put in, hoses and clamps have been replaced and radiator cap is new also the radiator has been ...
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Blown radiator and transmisson coolant line. After replacing aircon compressor and condenser.

What causes a radiator to overheat and leak antifreeze aswell as rupture the transmission coolant line in the bottom of radiator, within 10klm of picking a car up from having a new aircon compressor, ...
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46 views

Cooling fan stuck on radiator shroud, truck overheated, damage?

Recently did a body lift on my 04 Nissan Xterra and had to relocate the radiator down to keep it aligned with the engine/fan. Everything worked well on the road, but after some off-road driving I ...
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3answers
7k views

Car running hot - bottom radiator hose cold

Have a 2009 Subaru Forester XT 5 speed manual. The cars temps are running high. 98c while driving at about 100km/h. Temps will drop to 80c very quickly if the car gets into higher rpms. Ie 4000rpm. ...
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188 views

Left car running, coolant gone, engine overheated

Car: Hyundai Sonata Hybrid Yesterday, before going into work I forgot to shut my car off. That was at 9am. Around 1pm, I received and email that my car was running so I went out to shut it off. Once ...
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1answer
185 views

Radiator fan only runs when aircon is on, on its own it does not and it boils and spills out

I replaced a relay a couple of months back when even if the car was off it would run till the battery is flat. So now the fan doesn't run till I put aircon on.
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Is it possible for air to flow too fast through the radiator? My engine runs hot at 75 mph but not a 60 mph

My vehicle is a '97 Jeep Cherokee XJ with the 4.0L straight-six. I'll try to keep this as short as possible, so I'll just ask that you please assume that there is nothing wrong with the cooling ...
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1k views

2002 Honda Civic Overheating -

So I have a 2002 Honda Civic Lx. I’m not really too shabby with this car thing. We have changed my thermostat. My dad has replaced one of the hose. The system has been flushed. I don't know what's ...
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1answer
1k views

Topping up Coolant bottle with Distilled water only or pre-diluted coolant?

I am using pre-diluted (50:50) coolant in my car. I have observed that with passage of time and use (around 4 month), coolant quantity in reservoir bottle decreases to middle of MIN and MAX. I have a ...
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1answer
59 views

Resting a radiator on metal brackets

I have recently replaced the radiator in my 2006 Pontiac g6 GTP 3.9L. While installing the new unit I neglected to install the rubber feet between the rad and the frames lower bracket, which the rad ...
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70 views

When should water pump and radiator be changed

I read that radiators and water pumps should be changed around 60-90k as preventative maintenance. I was looking at getting a golf r32 at about 100k miles. I asked sellers if water pump and radiator ...
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219 views

03 Mazda 3 ECT constant 88°C and fan cycling on and off constantly

Someone brought me a 03 Mazda 3 to look at and while checking some unrelated things I noticed that the radiator fan was cycling on 15 seconds and off 15 seconds constantly, even though the ECT was ...
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I do not know what is wrong with my car please help me

2000 E320 Mercedes .....Someone replaced my radiator now my car drives funny like slow like it barely wants to move what could it be? In order for me to start the car I have to hear a click then turn ...
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Cadillac SLS 2004 added leak seal want to clean it out

I have a 2004 Cadi SLS that I sadly had to add some sealant tabs to stop a radiator leak(it stopped the leak) and now i think it could be causing some slight over heating. I believe its because of ...
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1answer
124 views

2009 Dogde Grand Caravan Coolant Fluid leak

Today while driving for about 20 minutes I noticed white smoke coming from the drivers side under the hood. I pulled into a parking lot and popped the hood and their is coolant everywhere on the ...
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21 views

Water dropping from radiator without boiling or engine overheating

I observed oil in my ford mondeo and it was diagonized as to gasket issue. This was replaced. After which my mechanic noticed the car was somewhat over heating so my rewire had to set the fan on high. ...
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Radiator water totally drain

I have maruti esteem 2006 petrol. Am travelled for tuticorin 2 Chennai. Night travel. Morning reach in Chennai after evening am start a car not start a car. Then I check the water level. Radiator ...
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1answer
2k views

Flat / collapsed upper radiator hose!

I have changed my radiator cap couple of months ago with an original OEM one. The older one had a broken sealant which caused engine over heating. Now, i have no heating problems but after the engine ...
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Why does my Toyota Corolla 1500cc with 16 valves lose a half litre of water in the radiator after 100 km run?

I have recently changed an engine and it's quite new made in Japan. I have also changed the water tank of the radiator. Hence no leak and nothing at all but after running it for 100km it reduces about ...
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2answers
63 views

Engine temperature not as stable after radiator change

After having my old radiator changed with a brand new one (because of a crack), it seems as the engine (coolant) temperature is not as stable as before. Old radiator 'stats': Almost always stable at ...
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2answers
795 views

Steam and leaking coolant (Subaru Impreza Outback 2006)

I drove about 5 miles today and right when I stopped at home (luckily), my car started steaming and coolant had pooled on my driveway. A decent amount had leaked, but I still have plenty in the ...
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2answers
505 views

temperature guage too low while the AC is on

I changed my radiator to double cell, after the single cell got leaking. I now noticed that the temperature guage never goes up to normal guage whenever i turn on the AC, and the Fan never idles. ...
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1answer
51 views

Does the coolant shorten the life of radiator? [duplicate]

My car is running on pure distilled water in its radiator. No winter here, so freezing the coolant wouldn't be a problem. It is running on pure water because I'm the 2nd owner and by the time I bought ...
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2k views

50/50 Coolant mixing

I just replaced my radiator today and decided to refill it with coolant concentrate and mix in water myself. Instead of mixing the stuff properly before hand, I poured in 1/2 gal. of water directly ...
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0answers
48 views

Stuck in catch-22 trying to fix radiator leak

I'm trying to use a stop-leak solution to fix a leak in the radiator, but I'm stuck in a catch-22. The stop-leak instructions say to flush the coolant system if it is dirty or clogged. I don't know ...
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2k views

My car only overheats when radiator cap is on. FIXED

FIXED: I came back to a day later, needed 1/4 gallon more coolant and burped for 10 minutes and now it's fine. There might still be a leak in the radiator/cap/hose, but atm it's fixed. Does that ...
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1answer
35 views

Radiator flushing concerns

I have a 1120 cubic inch radiator on my F250 460 Ford. The block should hold approximately 3 gallons, the radiator, about 4., however, when I open the petcock, take the cap off, and take the lower ...
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1answer
17 views

What to do with transmission hoses during radiator change

When changing my radiator (94 Chevy k1500 4x4 ext) do I need to plug the transmission hoses after disconnecting them?
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2answers
56 views

Terminology Question

I just got back from getting my car serviced and they said that my radiator fluid is "35 below 0" on the service report they gave back. What does this mean? Thanks!
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77 views

Tucson 2013 Heatup oil water mixed

Engine Oil is Ok but Rediator water mixing with Oil.. 4 weeks before machanic suggested to change the Rediator. After that same issue happening again. I don't beleive on machanic anymore, what i ...
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1answer
3k views

Blew the radiator cap and now can't start the car, what could it be?

lent my Toyota starlet to a friend today and they broke down. On investigation it appears the bit the radiator lid attached to has blown off. There was very little coolant in it and remnants were all ...
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119 views

Mechanic did not exchange Coolant after fixing Oil leaks. Cooked engine [closed]

Just having a legal question. Long story "short".. We bought a Holden Cruze CD (yes one of the worst cars you can get) back in May. Two weeks ago it has been serviced at mechanic A. with a refferal to ...
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26k views

Will a radiator suck fluid out of the overflow tank if I didn't fill the radiator completely?

I recently changed the engine coolant in my 2006 Prius. The system is the type which has the radiator cap on the radiator and a separate overflow tank. The whole system yielded about 1.5 gallons of ...
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2answers
89 views

Can a water pump slowly fail?

Do water pumps generally fail all of a sudden, or can they slowly stop working effectively? My 99 Subaru Legacy recently started overheating on long-ish trips (> 25 min or so). I already replaced ...
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1answer
106 views

2000 Honda prelude radiator issue

I was driving my Honda prelude and all of a sudden it shut down and wouldn't start again. I pushed the vehicle to the side of the street and opened the hood. The radiator frame where the hose ...
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3answers
308 views

how do I clean 4 qts of 10W30 out of the cooling system,

By mistake, I put 4 qts of 10W30 engine oil in my radiator. How can I clean it out? I've seen suggestions for using dish washing detergent. Is that safe? I am thinking of using DAWN because it ...