Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1989 Oldsmobile Toronado V6-3800 3.8LFACTORY OEM SERVICE PROCEDURE
Ignition Control Module: Service and Repair
REMOVAL
1. Disconnect 14-way connector at ignition module.
2. Disconnect Spark plug wires at coil assembly.
3. Remove nuts and washers (3) securing ignition module assembly to bracket.
4. Remove 6 Torx screws securing coil assembly to ignition module.
5. Note lead colors or mark for reassembly.
6. Disconnect connectors between coil and ignition module.
7. Remove ignition module.
INSTALLATION
1. Connect coil and connectors to ignition module.
2. Install 6 Torx screws torque to 3 N-m (27 lbs in).
3. Install nuts and washers securing assembly to bracket.
4. Connect plug wires.
5. Connect 14-way connector to module.
1. Disconnect 14-way connector at ignition module.
2. Disconnect Spark plug wires at coil assembly.
3. Remove nuts and washers (3) securing ignition module assembly to bracket.
4. Remove 6 Torx screws securing coil assembly to ignition module.
5. Note lead colors or mark for reassembly.
6. Disconnect connectors between coil and ignition module.
7. Remove ignition module.
Dielectric Grease Application:
INSTALLATION
1. Connect coil and connectors to ignition module.
2. Install 6 Torx screws torque to 3 N-m (27 lbs in).
3. Install nuts and washers securing assembly to bracket.
4. Connect plug wires.
5. Connect 14-way connector to module.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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