GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
TrailBlazer - 2WD
🢒
Engine
🢒
Engine Mechanical - 4.2L
🢒 Camshaft Cover Removal
Remove the ignition control modules and bolts.
Remove the camshaft cover and bolts.
Remove and discard the camshaft cover gasket, camshaft cover grommets, and camshaft cover bolts if they are serviced with the grommets.