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Model specific boards => Golf mk4 => Golf mk4 TDI => Topic started by: Butters on 05 December 2012, 11:18

Title: Different turbo noise
Post by: Butters on 05 December 2012, 11:18

Hi guys, I recently bought a golf like 2 weeks ago and I loved it but recently it started to feel slower and less powerful but now I get this and the turbo makes a more high pitch squeal is this the turbo on its last legs ? Or have a I got a boost leak. Opened the bonnet and I have oil dropping from an off section as shown (http://i305.photobucket.com/albums/nn202/racejunkie_2008/93BEF65C-7699-49F8-8C71-F05E948F7DC6-1557-000000ED4FE073CF.jpg)

Title: Re: Different turbo noise
Post by: scarr89 on 05 December 2012, 17:38

That is oil coming from your inlet manifold gasket by the looks of it. Possible a boost leak. If that gasket has had it then it will leak oil and pressure from there.

Best take it off and inspect, then replace with a new gasket, easily done and parts from vw are cheap enough  :smiley:

Title: Re: Different turbo noise
Post by: Golf_GT_TDI on 05 December 2012, 17:51

Looks like breather pipe to TIP connection to me

Title: Re: Different turbo noise
Post by: EsSeX dAn on 05 December 2012, 17:54

id aggree with the latter personally. take it off and clean it and see what goes on after. if you have a boost leak itll put a fair bit of black smoke out the exhaust. but better to be safe than sorry, check all your joint on the boost pipes and check the intercooler itself as these are prone to splitting. hope thst helps

Title: Re: Different turbo noise
Post by: Butters on 05 December 2012, 18:19

Cheers guys will put it up on ramps tomorrow as I start work later and let you all know how it goes.

Title: Re: Different turbo noise
Post by: scarr89 on 05 December 2012, 19:31

I'd agree with the later comments too  :whistle:

Was a snap diagnosis from a quick glance  :rolleyes: