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My air con compreesor on my 9n3 1:8 thas started to squeal , 1st is the compressor knackered , 2nd is the compressor pulley/bearings knackered . Also has anyone changed a compressor on a 9n3 1:8t and step by step guide would be great help . just rang Birmingham vw and they have no compressors in mid april ....... . GSF are doing them for £474 plus £120 back for old unit , does this look a fair price ...?

any help would be great .

I haven't done it myself, but it's run off the same belt as the alternator. Process looks to be: remove rubber pipe from the SMIC to the throttle body, remove the throttle body, untension the belt, remove belt and alternator, disconnect and remove compressor and then reverse it all to refit. Obviously getting the system drained and regassed.

If you're getting a new one, all of the pulley wheels on those components are apparently held on with bolts that require a special tool to remove which is a massive hassle, so if you need to swap the pulley over to the new one you'll need to find someone who can do that as well.

vince wrote:My air con compreesor on my 9n3 1:8 thas started to squeal , 1st is the compressor knackered , 2nd is the compressor pulley/bearings knackered . Also has anyone changed a compressor on a 9n3 1:8t and step by step guide would be great help . just rang Birmingham vw and they have no compressors in mid april ....... . GSF are doing them for £474 plus £120 back for old unit , does this look a fair price ...?

any help would be great .

The compressor is held onto the block by 3 13mm bolts very easy to remove.

I have the one from my car in perfect working order if you want to make me an offer?