Question about 2001 Volkswagen Passat

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2001 vw jetta 2.0 Gls - Heat blows cold air.

I have already replaced the thermostat. That didn't fix it. My coolant levels are fine. The temp gage never got up to the halfway point (atleast very seldom). Sometimes, the temp gage would actually go down some when driving the car. No problems with overheating or getting too hot. If anything, it didn't show on the temp gage that it was getting that warm at all.

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  • PHILLIP AULL May 11, 2010

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  • 14 Answers

It will probably be your thermostat that is jammed open , try fitting a new one , the thermostat is located in the housing on the side of the engine usually just above the gearbox , trace the top radiator hose to the engine and you should be able to find where the thermostat is ,

Posted on Mar 08, 2015

6 Suggested Answers

fossilruins
  • 114 Answers

SOURCE: how to replace a coolant temp sensor on a 2001 vw jetta 2.0

here is a picture of where it's located on your jetta:

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Posted on Jun 21, 2008

leroyal
  • 2120 Answers

SOURCE: 2002 VW Jetta GLS Dipstick for transmission

There is no dipstick. You have to have special tools to check / refill the tranny.

Posted on Nov 17, 2008

emissionwiz
  • 61168 Answers

SOURCE: need instructions on how to replace ignition

ARE WE TALIKING ABOUT THE KEY CYLINDER OR THE ELECTRICAL SWITCH?

Posted on Oct 01, 2009

  • 119 Answers

SOURCE: fuel filter location

its located outside and next to the fuel tank. There is no specified replacement interval, but 95k might be a good time to replace it. There is no need to replace the fuel pump unless it packs up, there is also no need to drop the tank to do this either, it can be accessed by removing the rear seat bench, underneath this will be a plastic access cover giving you access to the pump.
the filter is underneath the car right next to the tank.

Posted on Nov 09, 2009

Testimonial: "it was were u said it would be, thanx alot"

  • 632 Answers

SOURCE: replacing ignition coil on a 2002 VW jetta 2.0 GLS

The secondary aux air pump needs to be removed in order to access the coil pack secured to the block. Remember the bolt for the coil needs to be torqued down to 7ft lb.

Posted on May 08, 2010

  • 1 Answer

SOURCE: 2004 Jetta GLS. Main cooling fan remains on after car turned off.

"Already had replaced: both cooling fans, fan control module, coolant temp sensor, fan switch, 4 terminal connectors. No trouble codes reported in VW electronic diagnostic test. 2 different VW dealers and and my mechanic threw in the towel. Any suggestions greatly appreciated."

This is a common problem with the VW..and no one has an answer WHY. (including VW mechanics)

THIS IS A RECALL ISSUE and should be implemented

Posted on Mar 18, 2011

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Park vehicle on level ground, when cold remove coolant filler cap. Start engine and leave to idle, turn heater to hot blower on full.
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1 Answer

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