Date: Tue, 05 May 1998 14:45:05 -0500
From: colin hobbs <chobbsnopsamst.com>
Subject: Re: More 9000 Turbo problems.


Daniel Green wrote: > Further to my earlier posting and it's replies. I have tried my APC to > cure the turbo sticking problem I have, but to no avail. I hope somebody > out there can give me a bit of advice about the turbo itself. I am > willing to take it off and have a fiddle but as I have no pictures or > diagrams of the inards, I need to be cautious. Does anybody know where > the waste-gate ius situated within the turbo and how to get at it. I > believe it is the waste-gate that is sticking and I really don't want to > replace the whole unit if I can just clean out and free the gate. > By the way, does anybody know how much a new or s/hand turbo costs? > Please help if you can, many thanks. > Dan Green DAN, The apc system COULD BE the cause.. However my suspicions run elsewhere. the turbo MIGHT be failing but it's replacement would be last on the list ( a used one goes for about 100 -200$) The First thing i would check is the turbo plumbing. ie the hoses that come off the pressure side of the turbo. if a clamp on the plumbing has fallen loose or the rubber has developed small holes in it this could cause intermittent power problems. the next thing to look for is the Hoses that go to the apc system (The APC system is not contained within the turbo but is a component of the turbo. there should be vaccum lines that run off the turbo into the apc wastegate.) these vaccum hoses have a short life and with a small leak could cause performance problems. A good repair manual (even haynes has info on the turbo) should help you to fix it caution is necessary. READ CAREFULLY and WORK SLOWLY

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