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.
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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1558 (SHIFT INTERLOCK SYSTEM)REPAIR INSTRUCTIONSAUTOMATIC TRANSMISSION SHIFT LOCK CONTROL ACTUATOR REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Installation Procedure
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Firmly install the shift lock control actuator onto the steering column jacket and the cable shift cam.
- Connect the electrical connector.
- Adjust the shift lock control actuator (with the shift lever clevis in the neutral position) in the following way:
- Pull out the tab (1) on the adjuster block side (2) of the shift lock control actuator.
- Press on the adjuster block (2) to compress the internal adjuster spring which disengages the adjuster teeth. Slide the adjuster block (2) as far away from the actuator as possible.
- Lock the adjuster block (2) in place by pushing in on the tab (1).
- Inspect the shift lock control actuator for the following items:
- The shift lock control actuator must lock the shift lever clevis when the shift lever clevis is put into the park position.
- Depress the brake pedal to move the shift lever out of the park position.
- The actuator will be energized.
- Readjust the shift lock control actuator if needed.
- Install the knee bolster. Refer to Knee Bolster Replacement (Except Cadillac) or Knee Bolster Replacement (Cadillac) .
- Enable the SIR system. Refer to SIR Disabling and Enabling .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.