Question about Volkswagen Jetta

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Car is over heating. fans are running fine thermostat is not opening

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  • babaoyin May 21, 2009

    vw jetta 2000 2.0, the fan and ac compressor fan run nonstop


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Change the thermostat. or temperature sensor.

Posted on May 12, 2009

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My 2000 stratus fans run non stop so I have no heat. New rad, new termostate. What else could it be.

Even if the radiator fans run all the time, you would still have heat in the car. The thermostat prevents the engine coolant from flowing thru the radiator until it opens.
Could have low coolant and air pockets in the system.

Feb 21, 2015 | 2000 Dodge Stratus

5 Answers

My car is overheating. What is going on

Have you checked the thermostat? Run the car until the gauge shows normal temp and carefully check the upper radiator hose. If it isnt hot and if you can easily squeeze it the thermostat isnt opening to let water flow to the radiator. If it's opening, check to see if the fan is coming on. If that's not running, check the voltage at the fan, then the fan relay. If you aren't getting power at either of those places it could be your temp sensor.

Dec 02, 2014 | 1998 Chevrolet Cavalier

1 Answer

1997 Grand Am overheated. Fan, temperature gauge changed. Head gasket replaced. Car was running fine, couple days later, acted like it wanted to overheat, why does it keep doing this?

I think you need to clean your radiator(open water tank and remove all dirt inside it and inter in water hols and pipe thin stick), change thermostat to lower degree heat, if the problem continue try to remove thermostat.

Mar 20, 2013 | Cars & Trucks

1 Answer

Radiator fan runs too much

You more than likely installed a high temp thermostat, which takes more heat to open than the factory one.
One way to solve this is to install a lower temp thermostat. Or you could try another temperature sending unit, That should run your fan like normal again. But if it doesn't try to swap your fan relay out.

Nov 18, 2011 | 2002 Jaguar S-Type

2 Answers

The car takes a very long time to heat up

If your coolant is full, then your thermostat is probably bad.

Jan 08, 2011 | 1999 Dodge Intrepid

4 Answers

Car overheats...where can I look for the problem? It doesnt leak and the coolant resovoir is always full. If I keep driving worhout stopping except at lights or a stop sign its fine. But I deliver the...

First check your thermostat. The easy way to do it is take it out and drive without it for a while. If it stops overheating, put a new one in before the weather gets cold. The thermostat lets the engine heat up to a certain temp before opening and letting the coolant through. What your thing actually sounds like is that the electric cooling fan isn't working. Without airflow through the radiator your car will get hot. That's what the fan does, it puts air through the radiator when your car isn't moving. Check your fuses, it could be a really simple fix. Then check the fan switch in the coolant system and the fan motor itself. If those don't do it, it's probably the water pump. Good luck.

Apr 17, 2010 | 2006 Chrysler PT Cruiser

2 Answers

Car interior heater does not work when turned on to heat

You may find that the thermostat at the outlet of the radiator, input to the engine block, has failed open or has been removed. Some people remove the thermostat to stop the car from overheating.

With the thermostat removed, the engine will run cooler and there will be no heat available for the blower as the water used in the system bypasses the engine block where it would be normally heated.

Hope this helps?

Nov 05, 2009 | 2002 Oldsmobile Intrigue

1 Answer

Honda civic 1998 over heating. cooling fan problem? Where are the fuses for that. Thank you

Most likely you have a bad thermostat is stuck and not letting coolant to flow to your radiator. check your coolant level if is normal replace the thermostat NOTE: if you live air pockets on your cooling system then also cause to over head when adding new coolant open the bleeder valve if you cant find it just add coolant whit the engine running when the new thermostat open will release the air pocket and you will see a sudden drop of you coolant level, then add more on till the radiator is full again. never drive your car for long is your engine is over heating that will cause a blown head gasket and mayor repairs. if your on the street and just notice than your car is over heating turn your A/C off set it on heating maximum fan max heat and of coarse roll down all your windows. it be real hot for you but that will save your engine. the heater core on your car is like a baby radiator and bypass the engine thermostat that will help to cooled down a lot . hope this help you and good luck.

Jun 02, 2009 | 1998 Honda Civic

1 Answer

Pontiac Grand Am SE running hotter than normal

check the fan switch and make sure the cooling fan is coming on.

May 22, 2009 | 2000 Pontiac Grand Am GT

2 Answers

Fan runs after car shut off

You may need to replace your thermostat. This is normal for the fan to run after you turn your car off but if you say its running for 20 minutes or longer, it may mean your thermostat is stuck and causing the fan to run longer to cool off the radiator. Its a good thing for the fan to run. Heat is your enemy. I rather the fan run than no fan at all, if your car overheats, you could blow a gasket or warp your valves and its really pricey if that happens

Nov 25, 2008 | 2002 Pontiac Sunfire

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