GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
Lucerne
🢒
Engine
🢒
Engine Mechanical - 3.9L
🢒 Timing Chain and Sprocket Removal
Tools Required
EN-47719
Tensioner Compressor
Using the
EN-47719
fully collapse the tensioner and place the tensioner retaining pin into the retaining hole (1).
Remove the camshaft sprocket bolts.
Remove the timing chain and sprockets.
Remove the timing chain tensioner bolts.
Remove the timing chain tensioner.