TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 05548.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

ENGINE HARMONIC BALANCER NOT SEATED MAY CAUSE CRANKSHAFT KEY FAILURE. CRANKSHAFT KEY FAILURE WILL CAUSE DAMAGE TO THE SPROCKET AND TIMING GEARS, CYLINDER HEAD AND VALVES, PISTONS AND RESIDUAL INTERNAL ENGINE DAMAGE. *TT

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