Date: Sat, 21 Aug 1999 00:04:46 -0400 From: "Eric R. Sterbenz" <ericnopsamth.com> Subject: Re: '94 9000 AERO Question!!!!
Jim, I don't know about the buzzing, I thought the 2.3L engines use an actual chain and not a belt which is virtually indestructable. As far as the boot gauge is concerned if it is not going into the red on full throttle you are not experiencing the awsome performance this car is capable of (I am assuming a 5 speed, the autos were detuned to CSE specifications). Try replacing the APC control valve (the little widget with the three vacum lines going to the turbo). I have seen several postings that these are sometimes problematic. WowBPM wrote: > Hello all > I have a 94 9000 Aero and all seems great with the exception of two things > which may or may not be reason for concern. First, I noticed once with the hood > up on the car, after reving the motor, as it slowed I noticed what sounded to > be a vibration or faint buzzing like a timing chain. Has anyone ever > experianced anything like this? I shudder at the thought of a timing chain > problem as I just went through a minor nightmare with a timing chain tensioner > in my BMW M3. I am hoping it isnt the problem. My second question is that the > "boost gauge" only goes approx. half way up, reguardless of any other > condition, such as load or throttle position. Truthfully I am more concerned > about the slight buzzing or rattle than I am with the APC Boost guage since I > am happy with the performance. Any insight to this would be greatly > appreciated. > Best wishes, > Jim Good Luck, -- E.R. Sterbenz ericnopsamth.com
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