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.
2007 Chevrolet Express 1500 RWD V6-4.3LFACTORY OEM SERVICE PROCEDURE
Ignition Control Module: Service and Repair
Ignition Control Module Replacement
Removal Procedure
1. Remove the engine cover.
2. Disconnect the electrical connector (3).
3. Remove the screws (4) holding the ignition control module (2) and the heat sink (1) to the bracket.
4. Remove the ignition control module and the heat sink.
Installation Procedure
Notice: Refer to Fastener Notice.
1. Install the ignition control module (2) and the heat sink (1) on the bracket with the screws (4).
Tighten the screws to 3.5 N.m (31 lb in).
2. Reconnect the electrical connectors (3).
3. Install the engine cover.
4. Refer to Control Module References for programming and setup information. Programming and Relearning
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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