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Home >> Oldsmobile >> 2004 >> Bravada AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Transfer Case - NVG 126-NP4 >> Repair Instructions >> Transfer Case Motor/Encoder Replacement >> Installation Procedure

Installation Procedure

    IMPORTANT: Provided the rotary position sensor was removed, follow steps to install the sensor, otherwise proceed to installing the motor/encoder to the transfer case.
  1. Connect the wiring harness to the rotary position sensor.
  2. Gently insert a suitable tool along side the internal wires and press down on the internal wire connector to insure the connector is fully installed.
    3. Fig 1: Aligning Keyway Of Rotary Position Sensor With Motor/Encoder Shaft
    GM1238219Courtesy of GENERAL MOTORS CORP.
  3. Properly align the keyway of the rotary position sensor with the motor/encoder shaft as indicated by the center reference line shown in the graphic.
    4. Fig 2: Removing/Installing Motor/Encoder
    GM1237683Courtesy of GENERAL MOTORS CORP.
  4. Ensure that the hex on the rotary position sensor (2) fits in the hex of the motor/encoder housing (3).
  5. Install the washer and snap ring retaining the motor/encoder rotary position sensor.
  6. Install the washer and snap ring retaining the motor/encoder rotary position sensor.
  7. Install the motor/encoder gasket (1).
    8. Fig 3: View Of Motor/Encoder Assembly
    GM743566Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When performing this service procedure, make sure that the motor/encoder unit is flat against the transfer case for proper installation.
  8. Install the motor/encoder to the transfer case.
    9. Fig 4: Locating Motor/Encoder And Harness Mounting Bolts
    GM743564Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  9. Install motor/encoder mounting bolts to the transfer case.

    Tighten:  Tighten the bolts to 16 N.m (12 lb ft).

    10. Fig 5: Locating Wiring Harness Connectors
    GM1234201Courtesy of GENERAL MOTORS CORP.
  10. Connect the motor/encoder electrical connector (1).
  11. Install the fuel tank shield, if equipped. Refer to Fuel Tank Shield Replacement (TrailBlazer, Envoy) or Fuel Tank Shield Replacement (TrailBlazer EXT, Envoy XL) in Frame and Underbody.
  12. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
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