hummer Workshop Repair Guides

Hummer Workshop Service and Repair Manuals

Ignition System - Runs Rough MIL/ON DTC P0300/0306|Page 7275 > < Ignition System - Runs Rough MIL/ON DTC P0300/0306|Page 7273
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Ignition Coil: Service and Repair

Ignition Coil Replacement

Removal Procedure

1. Remove the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement  (See: Engine, Cooling and Exhaust/Engine/Intake

Manifold/Service and Repair/Upper Intake Manifold Sight Shield Replacement) .

2. Remove the spark plug wire from the ignition coil.

3. Disconnect the ignition coil electrical connector.

4. Remove the ignition coil bolts.

5. Remove the ignition coil.

Installation Procedure

Ignition System - Runs Rough MIL/ON DTC P0300/0306|Page 7275 > < Ignition System - Runs Rough MIL/ON DTC P0300/0306|Page 7273