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.
2008 Saturn Astra L4-1.8LFACTORY OEM SERVICE PROCEDURE
Accelerator Pedal Position Sensor: Service and Repair
Accelerator Pedal Position Sensor Replacement
Removal Procedure
1. Open the driver door.
2. Remove the instrument panel (I/P) insulator panel. Refer to Instrument Panel Insulator Panel Replacement (Service and Repair) .
3. Disconnect the wiring harness plug (1).
Remove the wiring harness plug in the direction of the arrow.
4. Remove the accelerator pedal position sensor.
Remove and discard the 3 nuts (2).
Installation Procedure
Notice: Refer to Fastener Notice (Fastener Notice) .
1. Install the accelerator pedal position sensor.
Use NEW nuts.
Tighten the 3 nuts to 12 N.m (106 lb in).
2. Install the wiring harness plug.
3. Install the I/P insulator panel. Refer to Instrument Panel Insulator Panel Replacement (Service and Repair) .
4. Close the driver door.
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.