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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1316 (Transfer Case - NVG 246-NP8 (Two Speed Automatic)) >> Repair Instructions >> Transfer Case Motor/Encoder Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Motor/Encoder Mounting Bolts Tightening Sequence
    GM804163Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • If the motor/encoder assembly is being replaced because it is defective, make sure that the transfer case is in the neutral position. Manually shift the unit at the shift shaft. Use a crescent wrench if necessary.
    • When installing the motor/encoder unit to the transfer case, make sure that the transfer case is indexed properly and it is flat against the transfer case before tightening the mounting bolts.
  1. Install the NEW motor/encoder gasket to the transfer case.
  2. Install the motor/encoder to the transfer case.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install motor/encoder mounting bolts.

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

    4. Fig 2: Motor/Encoder Electrical Connectors
    GM715660Courtesy of GENERAL MOTORS CORP.
  4. Install the motor/encoder electrical connector. Ensure that the retention clips activate.
  5. Install the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - ONE PIECE .
  6. Install the transfer case shield. Refer to Transfer Case Shield Replacement .
  7. Lower the vehicle.
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