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HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (TRANSFER CASE - NVG 236/246-NP8 (TWO SPEED AUTOMATIC) - SERVICE, REPAIR AND DIAGNOSTICS)REPAIR INSTRUCTIONSTRANSFER CASE SHIFT CONTROL MODULE REPLACEMENTREMOVAL PROCEDURE
2001 Chevrolet Suburban C1500

Removal Procedure

2001 Chevrolet Suburban C1500SECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
  1. Remove the IP trim bezel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement .
    2. Fig 1: View Of Air Deflector Louver, Retainers & Switches
    GM676695Courtesy of GENERAL MOTORS COMPANY
  2. Pull out the lamp switch, 4WD shift buttons, cargo lamp and air deflector louver assembly in order to disconnect the electrical connectors.
  3. Disconnect all the electrical connectors from the lamp switch, cargo lamp and 4WD shift buttons assembly.
  4. Remove the lamp switch, 4WD shift buttons, cargo lamp and air deflector louver assembly from the vehicle.
    5. Fig 2: Electrical Harness Retainer
    GM676224Courtesy of GENERAL MOTORS COMPANY
  5. Remove the electrical harness retainer from the IP support beam.
  6. Disconnect the 2 electrical connectors from the transfer case shift control module.
  7. Move the electrical harness to the left side in order to make room to turn the transfer case shift control module.
    8. Fig 3: Transfer Case Shift Control Module
    GM676699Courtesy of GENERAL MOTORS COMPANY
  8. Rotate the transfer case shift control module about 45 degrees counter clockwise while pulling out at the same time until the module is approximately 90 degrees from the original position.
  9. Pull out the module from the vehicle.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.