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Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> On-Vehicle Repair Instructions >> Park/Neutral Position and Backup Lamp Switch Replacement (3.7L) >> Removal Procedure

Removal Procedure

  1. Apply the parking brake.
  2. Shift the transmission into NEUTRAL.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    4. Fig 1: View Of Transmission Control Lever
    GM1302094Courtesy of GENERAL MOTORS CORP.
  4. Remove the nut securing the transmission control lever to the manual shaft.
  5. Remove the transmission control lever from the manual shaft.
    6. Fig 2: View Of Park/Neutral Back Up Switch Electrical Connector
    GM1302100Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the electrical connector (3) from the switch (4).
    7. Fig 3: View Of Park/Neutral Back Up Switch
    GM1302093Courtesy of GENERAL MOTORS CORP.
  7. Remove the bolts securing the park/neutral back up switch to the transmission.
    8. IMPORTANT: If the switch does not slide off the manual shaft, the outer edge of the manual shift shaft may need to be filed to remove any burrs.
  8. Remove the park/neutral back up switch from the manual shaft.
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