Silverado 1500 2WD V8-6.0L Hybrid (2009)
Ignition Coil: Service and Repair
Ignition Coil Replacement
Removal Procedure
1. Remove the intake manifold sight shield, as required. Refer to Upper Intake Manifold Sight Shield Replacement (See: Engine, Cooling and
Exhaust/Engine/Intake Manifold/Service and Repair) .
2. If replacing one of the rear 2 ignitions coils on the right side perform steps 3 through 13, otherwise proceed to step 14.
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.
3. Perform the 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) .
4. Disconnect the engine wiring harness electrical connector (3) from the drive motor generator power inverter module cover.
5. Loosen the drive motor generator power inverter module cover bolt (1).
6. Remove the drive motor generator power inverter module cover (2).