GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Envoy - 2WD
🢒
Engine
🢒
Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L
🢒 Cylinder Head Replacement - Left Side
Special Tools
J 45059
Angle Meter
Removal Procedure
Remove the generator bracket. Refer to
Generator Bracket Replacement
.
Remove the coolant air bleed pipe. Refer to
Coolant Air Bleed Pipe Assembly Replacement
.
Remove the left exhaust manifold. Refer to
Exhaust Manifold Replacement - Left Side
.
Remove the pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.
If equipped, remove the auxiliary air conditioning (A/C) bracket bolt (5).
Remove the cylinder head. Refer to
Cylinder Head Removal - Left Side
.
Clean and inspect the cylinder head. Refer to
Cylinder Head Cleaning and Inspection
.
Installation Procedure
Install the cylinder head. Refer to
Cylinder Head Installation - Left Side
.
Caution:
Refer to
Fastener Caution
in the Preface section.
If equipped, install the auxiliary A/C bracket bolt (5) and tighten to
20 N·m (15 lb ft)
.
Install the pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.
Install the left exhaust manifold. Refer to
Exhaust Manifold Replacement - Left Side
.
Install the coolant air bleed pipe. Refer to
Coolant Air Bleed Pipe Assembly Replacement
.
Install the generator bracket. Refer to
Generator Bracket Replacement
.