Yes, tdi works the same as a gasser. My light would turn on and off intermittently and flash the odd time. Even turned on when I was stuck in traffic when it was 100 degrees outside. Your would think the red one would turn on if there was a problem.
Anyway, I did search on tdiclub.com and vwvortex and found there was an issue with the coolant sensor. Apparently, cars equipped with the black colored sensor which had problems were replaced with the green sensor. Sorry I don't have a link to the sites. There is a how-to as well.
It's not that hard but can get tricky and ugly in a hurry.
Parts itself is less than 10 bucks including 'o' ring, plastic clip and sensor. The sensor is located behind the right side of the clylnder head. You'll have to remove the air intake tube attached to the air filter to get better access to it.
The tricky part is once you remove the clip and pull on the sensor coolant starts gushing out. You gotta be quick and plug it back up with the new one or you'll have a pool of coolant on your garage floor or driveway. It's ok to loose a cup or two of coolant. The problem arises if the old 'o' ring doesn't pop out. The sensor won't go in with two 'o' rings. I was lucky when the coolant rushed out I could see the O ring pop out and I quickly plugged it up with the new sensor.
The dealer will probably charge you an hour’s labor even though it will take them less than 15 min.
If your comfortable working on cars do a search on the above sites to get pictures, location of sensor and a better detailed how -to.
Hope this helps and good luck.
Mike
Last edited by miciam; 10-11-2005 at 11:46 PM..
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