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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 997 (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 2004 GMC Sierra and 2004 Chevrolet 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 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.
  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 (7).
  6. Connect the transfer case switch electrical connector (2).
    7. Fig 2: Identifying External Transfer Case Components
    GM829147Courtesy of GENERAL MOTORS CORP.
  7. Install the front propeller shaft. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
  8. Install the transfer case shield. Refer to Transfer Case Shield Replacement .
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