GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2008
🢒
Equinox
🢒
Engine
🢒
Engine Mechanical - 3.4L
🢒 Lower Intake Manifold Cleaning and Inspection
Clean the intake manifold gasket mating surfaces using GM P/N 12346139 (Canadian P/N 10953463) or equivalent.
Clean the fuel injector bores.
Inspect the intake manifold for damage.
Repair or replace the intake manifold as necessary.