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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 998 (Transfer Case - NVG 263-NP1) >> Repair Instructions >> Transfer Case Encoder Motor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • If the encoder motor is being replaced because it is defective, ensure that the transfer case is in the neutral position. Manually shift the unit at the shift shaft. Use a crescent wrench, if necessary.
  • If the encoder motor is being replaced, a new gasket will come with the encoder motor. DO NOT reuse the old gasket.
  • A NEW encoder motor does NOT come with locating pins.
  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 1: Installing Encoder Motor & Bolts
    GM857328Courtesy of GENERAL MOTORS CORP.
  5. Connect the encoder motor electrical connector. Ensure that the retention clips activate.
    6. Fig 2: Connecting Encoder Motor Electrical Connector
    GM715660Courtesy of GENERAL MOTORS CORP.
  6. Install the front propeller shaft. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  7. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
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