GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Impala
🢒
Engine
🢒
Engine Mechanical - 3.9L
🢒 Camshaft Installation
Coat the camshaft journals with clean engine oil.
Coat the camshaft lobes with prelube GM P/N 12345501 (Canadian P/N 992704) or the equivalent.
Install the camshaft using the following procedure:
3.1.
Install a camshaft sprocket bolt into the camshaft. Tighten finger tight only.
3.2.
Carefully rotate the camshaft while installing the camshaft into the camshaft bearings.
Install the camshaft thrust plate.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the camshaft thrust plate screws and tighten to
10 N·m (89 lb in)
.
Install the camshaft position sensor.
Install the camshaft position sensor bolt and tighten to
10 N·m (89 lb in)
.