Impala V8-5.3L (2008)
Intake Manifold: Service and Repair
Intake Manifold Replacement
Intake Manifold Replacement
Removal Procedure
Important: The intake manifold, throttle body, fuel rail, and injectors may be removed as an assembly. If not servicing the individual
components, remove the manifold as a complete assembly.
1. Remove the throttle body. Refer to Throttle Body Assembly Replacement .
2. Remove the fuel injectors. Refer to Fuel Injector Replacement .
3. Remove the brake booster vacuum hose (1) from the intake manifold (2) and the booster check valve (3).
4. Remove the positive crankcase ventilation (PCV) clean air tube from the air intake duct and valve rocker arm cover. Refer to Plastic Collar Quick
Connect Fitting Service .