GM Service Manual Online
For 1990-2009 cars only
Makes
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Buick
🢒
1997
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Riviera
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Engine
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Engine Mechanical - 3.8L
🢒 Balance Shaft Cleaning and Inspection
Service the balance shaft front bearing and the rear bushing as an assembly.
Use only the correct tools for the bushing and shaft installation.
Inspect the balance shaft drive gear and the camshaft drive gear for nicks and burrs.