Question about Volkswagen Jetta

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2004 jetta overheats real quick no collant leaking eng fan seems to come on too late

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I just had the same problem on my 2005 VW Jetta 2.0l. These cars are known for the water pump impeller to break into pieces. The impellers are made out of plastic which is a ridiculous move on German engineering. If it is the water pump, rule of thumb is do the timing belt at the same time as the water pump is driven off of the timing belt.

Posted on Feb 13, 2015

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SOUND LIKE ENGINE COOLANT LEVEL LOW.CHECK COOLANT SURGE TANK.IF LOW MORE LIKELY RADIATOR COOLANT LEVEL LOW.ADD COOLANT TO COOLANT SURGE TANK UNTIL COOLANT LEVEL STAY AT FULL COLD MARK DONT OVERFILL OVERFLOW JUG.

Posted on Aug 24, 2011

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Posted on Jan 02, 2017

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1 Answer

2005 volkswagon jetta cooling fan wont turn off


temp switch fail most likely. fail safe keeps fan running so engine will not overheat. temp switch will be screwed into engine block. may be cover by cover, hoses or something else but pretty easy to replace. DO COLD for the sensor is in the collant port of the engine and will leak a little when changing. Good luck hope this helps.

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I have a 2004 volkswagen jetta1.8 turbo . I replaced the 2 water pumps, and when i have the car in park after a couple of minutes it starts to overheat what might the problem be?


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My 2004 High Performance Jeep Grand Cherokee Overland all of a sudden when idling, the motor begins to race and the temp gauge goes over to 260. When you put in gear and drive it goes back down quickly. It...


Is it really the engine which starts running, or is it the hydraulic cooling fan which makes a lot of noise due to the high coolant temperature? Since the temperature drops down rapidly when you start driving, the problem seems to be with a restricted airflow from the cooling fan. Was the radiator changed lately?
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What would cause my 2002 zx2 to overheat ?


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2 Answers

The engine is overheating. Removed the thermostat, radiator fans not kicking in, noticed collant leaking from were the water pump is located.


If the water pump is leaking, then you need to replace it, replace the thermostat as well. Make sure you have got all the air out of the cooling system, when you refill the coolant, by undoing the top hose of the radiator till water comes out, likewise with a heater hose, then start and check, when the temperature is right the fans should cut in, keep an eye on the temp guage whilst doing this.
Hope thgis helps

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i changed my head gasket and still over heats i need options. also it looses anti freeze and it goes to the exhaust.

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