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June 1, 1995 Service bulletin

Popping/fluttering/ticking/spark knock/clunking noise while driving up medium grades or accelerating from...

Pontiac technical service bulletin 476006A for 1995 Pontiac Bonneville, 1995 Buick Park Avenue and 1995 Oldsmobile 88 and others.

Bulletin number
476006A
Component
Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
Summary
Popping/fluttering/ticking/spark knock/clunking noise while driving up medium grades or accelerating from a stop (replace exhaust seal or right exhaust manifold). Sd

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