GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2006
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Mechanical - 6.0L
🢒 Engine Block Valley Cover Cleaning and Inspection
Clean the valley cover in solvent.
Caution:
Refer to
Safety Glasses Caution
in the Preface section.
Dry with compressed air.
Inspect for damaged threads (1) and damaged sealing surfaces (2).