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General => The garage => Topic started by: phatpants on 01 December 2013, 16:33

Title: mk4 tdi heating issue
Post by: phatpants on 01 December 2013, 16:33

Hi i new to this. I got mk4 golf tdi and have strange heater blower issues. When car at 90' the blower will blow nice warm air. (At standstill.) As soo  as i drive off blows cold??? I have recently changed heater matrix as was blocked and flushed everything else out to clear any blockage. Have had bew stat in and ran with that in and over heats so took out for bit to check collant getting round sysetem which if it is( not sure f enough). Any help as starting to lose my marbles

Title: Re: mk4 tdi heating issue
Post by: itavaltalainen on 02 December 2013, 20:04

new thermostat fitted already?

sure that old one was dufft? maybe water pump impeller is spinning on shaft - not the first time thats happened on a mk4!

Title: Re: mk4 tdi heating issue
Post by: phatpants on 03 December 2013, 19:44

Yeah had new stat. When tbermostat houseing is take  off cant move the impella and have cpllant returning back to header tank at all revs (glow increases higher revs ) ???