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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> Park/Neutral Position Switch Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Control Lever At The Manual Shaft
    GM1480478Courtesy of GENERAL MOTORS CORP.
  1. Install the PNP switch to the manual shaft by aligning the switch hub flats with the manual shaft flats.
  2. Slide the PNP switch onto the manual shaft until the switch mounting bracket contacts the mounting bosses on the transmission.
    3. IMPORTANT: If a new PNP switch is being installed, the switch will come with a positive assurance bracket. The positive assurance bracket aligns the new switch in its proper position for installation and the use of the park/neutral switch aligner will not be necessary.
  3. Install the PNP switch bolts finger tight.
    4. Fig 2: Identifying J 41364-A & PNP Switch
    GM102270Courtesy of GENERAL MOTORS CORP.
  4. Position the J 41364-A  onto the PNP switch. Ensure that the 2 slots on the switch where the manual shaft is inserted are lined up with the lower 2 tabs on the tool.
    5. NOTE: Refer to Fastener Notice .
  5. Rotate J 41364-A  until the upper locator pin on the tool is lined up with the slot on the top of the switch.

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

  6. Remove J 41364-A  from the PNP switch. If installing a new switch, remove the positive assurance bracket at this time.
  7. Install the control lever to the manual shaft with the nut.

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

    8. Fig 3: View Of Manual Shaft Nut & Control Lever
    GM1707303Courtesy of GENERAL MOTORS CORP.
  8. Install the control lever (2) to the manual shaft.
  9. Install the control lever to the manual shaft nut (1).

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

  10. Connect the range selector cable to the range selector lever ball stud.
    11. Fig 4: View Of PNP Switch Electrical Connector
    GM1709732Courtesy of GENERAL MOTORS CORP.
  11. Connect the PNP switch electrical connector (1).
  12. If equipped with 4WD, install the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  13. Lower the vehicle.
  14. Check the PNP switch for proper operation. The engine must start in the Park (P) or Neutral (N) positions only. If proper operation of the switch can not be obtained, replace the switch.
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