CTS V8-5.7L VIN P (2004)
Ignition Coil: Service and Repair
IGNITION COIL(S) REPLACEMENT
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable (2).
2. Remove the fuel injector sight shield.
IMPORTANT: The ignition coils can be removed individually or as an assembly, depending on the repair being performed.
3. If replacing an individual coil, disconnect the wire harness at the coil. If removing the coil assembly, disconnect the main coil harness connector.
4. Disconnect the spark plug wire at the ignition coils.
5. If replacing an individual coil, remove the ignition coil mounting bolts and/or nut that retains the coil to the coil bracket.
6. If removing the coil assembly, remove the bolts securing the coil bracket to the valve rocker arm cover.
7. Remove the ignition coil or coil assembly.
INSTALLATION PROCEDURE