Silverado 1500 4WD V8-6.0L Hybrid (2009)
Intake Manifold: Service and Repair
Intake Manifold Cover Replacement
Intake Manifold Replacement
Removal Procedure
Danger: Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal
Protection Equipment (PPE) and proper procedures must be followed.
The High Voltage Disabling procedure will perform the following tasks:
*
Identify how to disable high voltage.
*
Identify how to test for the presence of high voltage.
*
Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must
be followed.
Failure to follow the procedures exactly as written may result in serious injury or death.
1. Perform the High Voltage Service disconnect. Refer to High Voltage Disabling (See: Hybrid Drive Systems/Battery System, Hybrid
Drive/Testing and Inspection/Initial Inspection and Diagnostic Overview/High Voltage Disabling) .
2. Disconnect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection (With Single Battery) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair)Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) (See:
Starting and Charging/Battery/Battery Cable/Service and Repair)Battery Negative Cable Disconnection and Connection (With Dual Batteries) (
See: Starting and Charging/Battery/Battery Cable/Service and Repair) .
3. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Tune-up and Engine Performance Checks/Air
Cleaner Housing/Air Cleaner Fresh Air Duct/Hose/Service and Repair) .
4. Remove the engine harness retainer nut (1).
5. Remove the engine harness retainer from the stud and locator pin.
6. Disconnect the engine harness electrical connector (2) from the evaporative emission (EVAP) canister purge solenoid.
7. Disconnect the engine wiring harness electrical connector (3) from the manifold absolute pressure (MAP) sensor.
