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Home >> Buick >> 2007 >> Lucerne V6-3.8L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Timing Components >> System Specifications

System Specifications

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Engine Front Cover Bolt/Stud
First Pass 20 N.m (15 lb ft)
Final Pass 40 degrees
Crankshaft Balancer Bolt
First Pass 150 N.m (111 lb ft)
Final Pass 76 degrees

Timing Chain
Install the timing chain and sprocket.





Assemble the timing chain on the sprockets with the timing marks as close together as possible.





Install the camshaft sprocket bolt.

Tighten the bolt to 100 N.m (74 lb ft) plus an additional 90 degrees using J 45059.





Install the timing chain dampener.
Tighten the timing chain dampener bolt.

Tighten the bolt to 22 N.m (16 lb ft).

Important: Rotate the engine two revolutions and check the timing marks. Ensure that the marks are aligned.

Install the engine front cover.