Park/Neutral Position Switch
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The following procedure is for vehicles that have not had the switch removed or replaced. If the switch has been removed or replaced, see PARK/NEUTRAL POSITION SWITCH
under REMOVAL & INSTALLATION. Apply the parking brake. The engine must start in the Park and Neutral positions only. Check the switch for proper operation. If adjustment is required, proceed as follows:
- The transmission must be in the Neutral position only.
- With an assistant in driver's seat, raise and support vehicle.
- Loosen the switch retaining bolts and rotate the switch slightly, while the assistant attempts to start engine.
- After engine starts, turn engine OFF.
- Tighten PNP switch bolts to specification. See TORQUE SPECIFICATIONS .
- Lower the vehicle.
- Ensure vehicle does not start in any range other than Park and Neutral. Replace the PNP switch if proper operation can not be achieved.