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Registered
Join Date: Mar 2004
Location: Leesburg, Georgia, USA
Posts: 1,701
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An exhaust leak will sound the same.
If not, remove the lower valve covers and inspect for broken studs. Loose cylinder to head or case will also sound like exhaust but is actually compression leak.
Engine fan bearing will not make a sound like that.
I hope you find the problem.
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1993 964 C2 still makes me smile
Retired and work as needed as a pain in the **s.
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