GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Saturn
🢒
2009
🢒
VUE - AWD
🢒
Engine
🢒
Engine Electrical
🢒 Camshaft Timing Chain and Sprocket Replacement
Special Tools
EN-47719
Tensioner Compressor
Removal Procedure
Remove the engine front cover. Refer to
Engine Front Cover Replacement
.
Align the crankshaft timing mark (1) to the timing mark on the bottom of the timing chain tensioner (2).
Align the timing mark on the camshaft gear (3) with the timing mark on top of the timing chain tensioner (4).
Remove the camshaft sprocket bolts.
Remove the timing chain, camshaft, and crankshaft sprockets.
Remove the timing chain tensioner bolts.
Remove the timing chain tensioner.
Installation Procedure
Install the crankshaft sprocket.
Apply prelube to the crankshaft sprocket thrust surface. Refer to
Adhesives, Fluids, Lubricants, and Sealers
.
Install the timing chain tensioner.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the timing chain tensioner bolts and tighten to
21 N·m (15 lb ft)
.
Using the
EN-47719
, fully collapse the tensioner, and place the tensioner retaining pin into the retaining hole (1).
Align the crankshaft timing mark (1) to the timing mark on the bottom of the timing chain tensioner (2).
Hold the camshaft sprocket with the timing chain hanging down and install the timing chain to the crankshaft gear.
Align the timing mark on the camshaft gear (3) with the timing mark on top of the timing chain tensioner (4).
Align the dowel in the camshaft sprocket with the dowel hole in the camshaft.
Draw the camshaft sprocket onto the camshaft using the mounting bolts. Tighten the bolts
16 N·m (12 lb ft)
.
Coat the crankshaft and camshaft sprockets with clean engine oil.
Install the engine front cover. Refer to
Engine Front Cover Replacement
.