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Re: buzz sound driving me crazy
Posted by JohnK (more from JohnK) on Wed, 1 Aug 2001 12:00:09
In Reply to: buzz sound driving me crazy, Quinn S. Kurz-NYC, Wed, 1 Aug 2001 10:59:06
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Had similar sound and believe it or not, the vacuum hose to the valve cover breather had split before the check valve. The split was hidden under the insulating hose that covers it. sounded like an oboe reed being blown without the oboe. I had trouble tracking it because my screwdriver stethoscope doesn't work on rubber parts!
Anyway, get your screwdriver out and check for noises at alternator(belt noise/vibration from shot bushings...any wobble?), A/C clutch, A/C idler pulley, P/S pump. Tighten all belt adjusting hardware. Check exhaust manifold and turbo mounting bolts. Move battery shield a bit(hitting exhaust?). Check for upper rad A/C temp switch hose clamp contact against turbo pipes. Check for any splits or loose connections in intake and turbo plumbing. Check for intake manifold gasket leaks with propane torch for increase in idle at leak. Good luck.
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