Operation CHARM: Car repair manuals for everyone.
Home >> Oldsmobile >> 1990 >> Calais L4-138 2.3L VIN D FI >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Coil >> Service and Repair
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Ignition Coil: Service and Repair

REMOVAL

1. Remove negative battery cable.
2. Disconnect 11 pin IDIS harness connector.
3. Remove ignition system assembly to cam housing bolts (4).
4. Remove ignition system assembly from engine.
5. Remove housing to cover screws (4).
6. Remove housing from cover.
7. Disconnect coil harness connectors (2).
8. Remove Coils, contacts, and seals from cover.

INSTALLATION

1. Install coils to cover.
2. Install coil harness connectors (2).
3. Seals to housing (replace with new seals).
4. Install contacts to housing (use petroleum jelly to retain).
5. Install housing to cover and screws (4). Torque to 4 N-m (35 lb in).
6. Connect spark plug boots and retainers to housing.
7. Install Spark plug boots and retainers to housing.
8. Install ignition system assembly to engine while carfully aligning boots to spark plug terminals.
9. Install ignition system assembly to cam housing bolts after coating threads with 1052080 or equivalent (4). Torque to 26 N-m (19 lb ft).
10. Connect 11 pin IDI harness connector.
11. Connect negative battery cable.
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