Date: Mon, 25 Aug 2003 12:36:17 -0400
From: Tom Reingold <>
Subject: Re: stuck wastegate

Grunff wrote: > Tom Reingold wrote: > >> I have a 1995 9000CS with 145,000 miles on it. I've been having an >> acceleration problem with it. It has the 2.3L LPT engine, rated at 170 >> hp. >> >> When I push the accelerator farther down than about halfway, it bucks >> violently. My mechanic has diagnosed it as a wastegate that gets stuck >> closed. He says the turbo pressure builds up and supplies too much >> boost. Then the computer notices it and cuts the fuel supply. I >> wouldn't mind except that it causes violent lurching, and it's quite >> unpleasant. >> >> He said he squirted in lots of anti-seize and worked it back and forth >> a lot. (I have no idea how hard it is to reach.) It was fine for two >> or three days, and then the problem came back. I have to drive gently >> in order to prevent the problem. > > > > If it really is a sticking wastegate then it really is a matter of > rebuilding the turbo. $800 or $900 seems a little high to me - a rebuilt > turbo shouldn't be more than $250, and fitting it is only 2-3 hours. > > But it's quite unusual to have a sticking wastegate. Is your mechanic > absolutely certain that that is what's hapening? Your symptoms are > consistent with a sticking wastegate, but they could also be caused by a > whole load of other things. > I've done right for years by these mechanics, and his suspicions usually prove right. Of course, everyone is wrong sometimes. What else do you think he should check? He didn't mention a rebuilt turbo as an option. Is that a religious issue which he might not believe in? I can assure you that he is not greedy. Thanks. Tom Reingold Noo Joizy

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