LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2007 >> Lucerne V8-4.6L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Timing Components >> Timing Chain Tensioner
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Timing Chain Tensioner





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.