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 MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 732 (SHIFT LOCK CONTROL SYSTEM)REPAIR INSTRUCTIONSAUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban C1500, 5.3 Z
Installation Procedure
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. 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 BCM. Refer to Body Control Module Replacement .
- Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 .
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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.