All Things Mk5 > How to Guides / Troubleshooting

Temp Gauge Fluctuating

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maxamplitude10:
Thanks F00glee I'm going to bite the bullet and change the stat, I'll let you know the results!!

I'm right in thinking there is only on Thermostat?

MaxAmplitude

f00glee:
@maxamplitude10 I had forgotten about number of stats... my '06 GTI manual only has 1 main stat attached to the engine block behind the alternator. I believe some GTIs had an additional "in line" stat and also if you're DSG this adds a further one. I didn't have to consider these but if you have one or both  - these could be the culprit as much as the main one.

So its possible to have anywhere from 1 (main one) to 3 (main one + two inline).

This DIY details the inline ones - you can see them without having to remove anything so worth a check to see if you have them first, and then maybe the simpler thing to change first if you do. Try googling thermostat issues, plenty of reports of differing symptoms and which part was changed to fix them on here and other forums.
http://www.mk5golfgti.co.uk/forum/index.php?topic=78341.0

maxamplitude10:
@F00glee cheers dude I'll check it out, I've got manual cogs and I think I only have a main stat but will confirm this asap

Thanks for guide much appreciated :happy2:

MaxAmplitude

f00glee:
No Problem at all  :happy2:

If you're DIY-ing it allow a day - for me silly inaccessible clips and stubborn joints in the coolant pipes added hours on to the theoretical 3 hour book time.. took me 8!

maxamplitude10:
Ok will do @F00glee sounds like could be split knuckles time then, access seems somewhat limited!!!!

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