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Home >> Buick >> 2007 >> Lucerne V8-4.6L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Timing Components >> System Specifications

System Specifications

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Engine Front Cover bolts
Tighten the engine front cover bolts in the sequence shown.
Tighten the engine front cover bolts in the proper sequence to 10 N.m (89 lb in).
Crankshaft Balancer Bolt
First Pass 50 N.m (37 lb ft)
Final Pass +120 degrees





Important: Ensure the tensioner release lever is facing outward.

Install the primary camshaft drive chain tensioner and retaining bolts.
Tighten the primary camshaft drive chain tensioner bolts to 25 N.m (18 lb ft).

Remove the pin holding the tensioner to tighten any slack in the timing chain.





Ensure the primary timing marks (1) are aligned vertically.
Install the engine front cover.