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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 >> Encoder Motor Sensor Replacement >> Removal Procedure

Removal 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: For ease of reassembly, shift the transfer case to 2HI prior to removing any components.
  1. Remove the encoder motor. Refer to Transfer Case Encoder Motor Replacement .
  2. Place the encoder motor on a clean work bench,
  3. Remove the 2 screws (2) from the motor cover.
  4. Remove the 2 screws (1) from the casting.
    5. Fig 1: Motor Cover & Casting Screws
    GM1341854Courtesy of GENERAL MOTORS CORP.
  5. Remove the cover.
  6. Remove and save the shim on the output gear.
  7. Remove and discard the orange rubber seal from the cover.
  8. Remove the output gear (1).
    9. Fig 2: Output Gear
    GM1361842Courtesy of GENERAL MOTORS CORP.
  9. Disassemble the harness connector (1) from the encoder.
    10. Fig 3: Encoder Harness Connector
    GM1361873Courtesy of GENERAL MOTORS CORP.
  10. Remove the encoder from the output shaft using a flat tip screwdriver.
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