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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Transfer Case - NVG 246-NP8) >> Repair Instructions >> Transfer Case Encoder Motor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • If the encoder motor is being replaced, ensure that the transfer case is in the neutral position. Manually shift the transfer case at the shift shaft, using a crescent wrench if necessary.
  • When installing the encoder motor, ensure that the encoder motor is indexed correctly and the motor is flat against the transfer case before tightening the bolts.
  • A NEW encoder motor does NOT come with locating pins.
    Fig 1: View Of Encoder Motor Bolts Tightening Sequence
    GM857328Courtesy of GENERAL MOTORS CORP.
  1. Install the locating pins to the NEW encoder motor.
  2. Position a NEW actuator insulator gasket to the transfer case.
  3. Install the encoder motor.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install encoder motor bolts.

    Tighten:  Tighten the bolts, in the sequence shown, to 20 N.m (15 lb ft).

    5. Fig 2: Identifying External Transfer Case Components
    GM829147Courtesy of GENERAL MOTORS CORP.
  5. Connect the encoder motor electrical connector (7).
  6. Connect the transfer case switch electrical connector (2).
  7. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  8. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
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