Question about 2001 Volkswagen Jetta TDI

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2001 jetta tdi noise that sounds remakably like a Geiger counter

The noise is intermitent and seems to eminate from directly behind the hazard light switch in the middle of the dash. we recently had a new hazard switch put in but it did not solve the noise....still comes back

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  • Mark Dec 20, 2008

    I have the same problem with my 2000 Jetta - the hazard light switch was subject to a recall, I had it switched by the dealer. Very shortly that switch failed so I bought another one, this one was bad out of the box and makes a noise like you describe. It's definitely the switch, because the type of noise will change when you change the switch from one to another. One makes a random clicking noise and the other a "staticky" noise like a gieger counter. To have 3 of these fail is incredibly bad, so I plan to discuss it with the dealer. I will let you know what they say.



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

Yes it is that easy. It should be a 4 pin connector located on the transmission side of the engine head in a plastic flange. Best is to wait for the engine to be cold. Unscew the radiator cap to relieve pressure but screw it right back on. On the 2.0L engines when you unclip the coolant sensor little or not coolant loss will happen if you do this. Just unplug it, pull out the clip, pull out the sensor, and the seal which sometimes stays stuck. Install the new sensor with a new seal lubricated with some coolant, make sure it's well seated and reinstall the clip. The sensor is well seated if the clip fits right over the top, just make sure both sides clipped into position. Replug it fill the coolant with VW original coolant mixed 50-50 with water if needed and done. If you have a fault you might need a scanner to erase the check engine or fault in the cluster.

What's the reason for changing it? Eratic temperature readings?

Posted on Nov 29, 2008

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SOURCE: Clicking coming from dash around hazard button

replace the switch

Posted on Apr 20, 2009

  • 1 Answer

SOURCE: I have this problem as well on my 2001 jetta gls.

Do you have any rough idling or anything? Is the check engine light on?

Posted on Jul 19, 2009

  • 566 Answers

SOURCE: Jetta TDI Coolant leak from behind tming belt.

hi from uk from the symptom/location you say water leak is coming from ? this is most likely to be the water pump that is leaking ? considering age/milage ? this is not uncommon however as the water pump is driven by cambelt this unfortunately means you will have to replace the cambelt and tensioner as well as the water pump it is policy never to use old belt/tensioner once disturbed for obvious reasons i'm sure you have heard stories of result of cambelt failure? and the serious damage caused to engine ? also if leak is serious? this will deteriate c/belt so advice you consider renewal asap cambeltkit +tensioner in uk casts approx under £45 and w/pump a little less you can obtain from most good motor factors/superstores avoid dealers this job is not too difficult diy with haynes or w/shop manual if you follow instructions and have tool kit hope this helps?

Posted on Dec 19, 2009

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I have this problem as well on my 2001 jetta gls.


Do you have any rough idling or anything? Is the check engine light on?

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does the noise and light occour at the same time ? another cause of a high pitched noise can be slipping drive belts, alternator,powersteering etc so check them for tightness, condition etc, does the noise happen when car staionary and just rev the engine ? if so i would say it is the drive belt/s, go back to the VW dealer re the ABS light and get them to check the OBD as should be done as part of the service , hope this helps

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