Other information:
Valve Train Analysis - Engine Off, Valve Cover Removed
NOTE:
The following component inspections are used to diagnose valve train concerns.
Check for damaged or severely worn parts and correct assembly.
Valve Train Analysis - Camshaft Lobe Lift
Remove the spark plugs...
Removal
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
Disconnect the hands-free liftgate actuation module electrical connectors...