Avalanche 1500 2WD V8-5.3L (2008)
Intake Manifold: Service and Repair
Engine Block Valley Cover Replacement
Engine Block Valley Cover Replacement
Removal Procedure
1. Remove the intake manifold. Refer to Intake Manifold Replacement (RPOs LY2/LY6) (See: )Intake Manifold Replacement (RPOs
LC9/LMG/LY5/L76) (See: )Intake Manifold Replacement (RPO L92 - First Design) (See: )Intake Manifold Replacement (RPO L92 - Second
Design) (See: ) .
2. Remove the engine valley cover bolts (506).
3. Remove the engine valley cover (555) and gasket (556).
4. Remove the O-ring seals (537) from the cover.
5. Remove the oil pressure sensor (706) and washer (707).
Installation Procedure
Important: All gasket surfaces should be free of oil or other foreign material during assembly.
