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I have a VW Jetta2, my car gets extremely hot and the temperature guage comes up till the middle or go slightly over the middle to the right, even if I drive on the freeway at 100-120km/H and the cooling fan is on at those times. I did install new water pump and anti-freeze was added (ratio 2lt anti-freez- 2lt water). what could be the problem. Do I need to take my car to a auto-electrcian or a mechanic specilizing in cooling systems?

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Sounds to me like your car needs a new thermostat. which is only about a 15 dollar item. thermostats open and close controlling the flow of the cooled coolant into your engine. sometimes the thermostats get stuck oppen or closed allowing your car to overheat. good luck

Posted on Jan 07, 2013

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Posted on Jan 02, 2017

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  • 43 Answers

SOURCE: Very hot car.

I'd test the fan by connecting it directly to the battery to verity it is functioning. If it is, check the relays that control the fans they should be located in the fuse box in the engine bay. If the relays are ok the only other thing that could be causing the problem is the temp sensor on the radiator.

Posted on Oct 07, 2008

  • 11 Answers

SOURCE: Radiator electric cooling fan cycles on and off every few seconds

Had the same problem with a Neon same age as yours. Mine started after driving through a large snow storm that packed snow under the hood. Turned out there is a relay or sensor for the fan that had to be replaced. Once this was done the problem was fixed.

Posted on Nov 19, 2008

michigan man
  • 3533 Answers

SOURCE: engine cooling fan will not turn off

you need to look under the hood and to make sure someone did not wire the fan direct to your ingnition switch because they did not wanted to replace the fan because the relay was bad in the fan.

Posted on Feb 12, 2009

  • 366 Answers

SOURCE: gm dex-cool vs prestone anti-freeze...

yes,your guy is right,a lot of gm cars have the int. gasket problem because of dex.

Posted on Feb 23, 2009

  • 17 Answers

SOURCE: cooling system/ focus 02

I have had to mess with my thermostat housing a lot because of the poor design of the thermostat housing that causes a leak... don't worry about it. keep the system sealed (caps on) and it will eventually purge itself... the coolant reservoir being at the highest point means that all air will work its way to it eventually. it will not harm your motor.

Posted on Mar 23, 2009

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