A week later under nearly identical temperatures, I observed that the car was REALLY slow to warm up, evidenced by both with temperature of heater output and the temp gauge, and that the oil temp was very sluggish to rise to operating temperature- like it took approximately 15 miles of freeway driving at 65 or so before everything got to normal operating temps. Next day on a 120 mile freeway cruise at 14 degrees F, I noticed the oil temp was running a bit higher than normal for those conditions- 220 degrees, and that my instantaneous and static fuel mileage numbers were noticeably lower than on previous trips under similar conditions. Dealer then lightened my wallet by $1100 and put in a new t-stat/water pump assembly. Finally the t-stat housing & water pump shit the bed big time two weeks ago I was alerted when the low coolant sensor was triggered and the dashboard lit up. Coolant level continued to slowly drop (I have photos- time-stamped and dated) after this dealer visit, and the pink pool of water under the front of my GTI that happened whenever it rained, continued on.
They pressure-tested it, couldn't find anything (naturally), didn't look for leak evidence just topped it up from the Min level it was currently at and sent me on my way. I documented a probable cooling leak that the dealer "couldn't find" while my car was still under warranty.
#2010 vw gti coolant leak fix how to
Every other coolant system I've worked on has been a sealed system.Ĭlick to expand.Do you happen to have any information on how to get included in the class action lawsuit? I'm not sure how much validity there is to that. There is a vent on the coolant reservoir, and I've had multiple technicians tell me that it's possible for coolant to evaporate from the system. I can still smell coolant after driving even though my thermo housing & water pump have been replaced, though I'm not actually loosing coolant from what I can tell. I've even heard of some cases where they are replacing them outside of warranty if you aren't too far out. There are been 5 or 6 iterations of this part, and they seem to be replacing them without much hassle. The other piece, VW is really taking the thermo housing issues pretty seriously. I've had some other warranty work done on my car, but none of it has been critical / major mechanical in nature. I wouldn't worry too much, as the coolant issue seems to be one of the only major things that creep up on the MK7s. I'm glad that you were able to get some useful information from this thread.
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