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Home >> GMC >> 2005 >> Jimmy Part Time, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Introduction & Repair Instructions >> Repair Instructions >> Park/Neutral Position Switch Adjustment

Park/Neutral Position Switch Adjustment

IMPORTANT:
  • The following procedure is for vehicles that have not had the switch removed or replaced. If the switch has been removed or replaced, refer to Park/Neutral Position Switch Replacement  for the proper adjustment procedure.
  • Apply the parking brake.
  • The engine must start in the P (Park) or N (Neutral) positions only.
  • Check the switch for proper operation. If adjustment is required, proceed as follows:
  1. Place the transmission range selector in the N (Neutral) position.
  2. With an assistant in the drivers seat, raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Loosen the park/neutral position switch mounting bolts.
  4. With the vehicle in the N (Neutral) position, rotate the switch while the assistant attempts to start the engine.
  5. Following a successful start, turn the engine off.
  6. NOTE: Refer to Fastener Notice in Cautions and Notices.
  7. Tighten the bolts securing the switch to the transmission.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

  8. Lower the vehicle.
  9. Check the switch for proper operation. The engine must start in the P (Park) or N (Neutral) positions only.
  10. Replace the park/neutral position switch if proper operation can not be achieved. Refer to Park/Neutral Position Switch Replacement .