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 Saturn ION L4-2.0L SCFACTORY OEM SERVICE PROCEDURE
Ignition Switch: Service and Repair
Ignition and Start Switch Replacement
Removal Procedure
1. Remove the steering column trim covers.
2. Disconnect the ignition switch harness connector.
3. Turn the ignition switch to the run position.
4. Remove the ignition switch screws.
Important: The ignition switch must be in the run position during removal.
5. Remove the ignition switch from the steering column.
Installation Procedure
Notice: Refer to Fastener Notice.
1. Install the ignition switch and screws on to the steering column.
Tighten the screws to 2 N.m (17 lb in).
2. Connect the ignition switch harness connector.
3. Install the steering column trim covers.
Important: If the ignition switch is replaced and a learn procedure is not performed, the engine will crank but not start or will start and stall immediately.
4. Perform the vehicle theft deterrent system learn procedure. Refer to Programming Immobilizer System Components.
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.