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Tommy
18-10-2006, 08:06 PM
Hi,
I have just bought a Mark4 GTI Golf and have a problem with the climatronic system. The tempature keeps reading in minus so it keeps blowing out hot air. Can anyone help please?
:beerchug:

adamss24
18-10-2006, 10:24 PM
I think you should try changing the temp sensor probe located in front of the bumper behind the lower grille. Have someone do a scan for you with a Vag-com and have him to check the measuring blocks block1 to 10. If he sees any temperature indicating minus then the probe sensor its shot. Can you switch the A/C on while defrosting/demisting the windscreen, can you feel the engine as being under load while on tick over(watch on the clock if the engine rpm drop slightly when you turn AC on)- that means the clutch engages the compressor. Also does the fan comes on shortly after turning AC on ? If the compressor does not engages look at the relays, fan control module, coolant temp sensor, high and low pressure switches, or better take it to a AC specialist or dealer.