Rs sid

my gf mk4 golf 1.8 turbo...and the temp gauge is playing up if u leave it sitting there the gauge reads in the middle at 90 and heaters are lovely and hot...when u start driving it the gauge slowy falls down too 0 and the heaters go luke warm!!!!....

Ive changed the temp sensor,water pump,thermostat,bleed the system 3 times,,all the pipes get hot the rad gets hot and the 2 heater pipes get hot 2.....

Just cant work it out .... any ides of help would be great..

rs-tuner

iTrader: (1)

thermostat. had the same problem on a leon

furry

Yeap defo thermostate same prob on my vrs. Under the inlet manifold behind the alternator.

Rs sid

Ive changed it and its still doing it though????

pani_k

iTrader: (1)

Does sound like stat though mate.

Rs sid

well i reakon i have 2 try another one then incase its faulty

RichieST

iTrader: (2)

Could be a dodgy new thermostat? I'd try another just to rule it out of the equation! Or test it in a pan of hot water and a thermometer.

rs-tuner

iTrader: (1)

sounds like its sticking open or is the wrong one fitted