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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1449 (Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement)) >> Repair Instructions >> Park/Neutral Position Switch Adjustment

Park/Neutral Position Switch Adjustment

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
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.
  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  .
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