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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4L60-E/4L65-E (Service & Replacement) >> Repair Instructions >> Park/Neutral Position Switch Adjustment

Park/Neutral Position Switch Adjustment

Important: 

  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.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Tighten the bolts securing the switch to the transmission.

    Tighten 

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

  7. Lower the vehicle.
  8. Check the switch for proper operation. The engine must start in the P (Park) or N (Neutral) positions only.
  9. Replace the park/neutral position switch if proper operation can not be achieved. Refer to PARK/NEUTRAL POSITION SWITCH REPLACEMENT .