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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 ASSEMBLY REPLACEMENTINSTALLATION PROCEDURE
2001 Chevrolet Suburban C1500

Installation Procedure

2001 Chevrolet Suburban C1500SECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: Transfer Case & Case Adapter
    GM715726Courtesy of GENERAL MOTORS COMPANY
  1. Rotate the transfer case so that it is perpendicular to the transmission assembly.
  2. Raise the transfer case into position.
  3. Rotate the transfer case so that it is aligns with the transfer case adapter.
  4. Install the transfer case assembly.
    5. Fig 2: Identifying Transfer Case Adapter Nuts
    GM715663Courtesy of GENERAL MOTORS COMPANY
  5. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the transfer case retaining nuts.

    Tighten 

    Tighten the transfer case retaining nuts to 50 N.m (36 lb ft).

    6. Fig 3: Locating Transfer Case Vent Hose
    GM715667Courtesy of GENERAL MOTORS COMPANY
  6. Install the transfer case vent hose.
    7. Fig 4: View Of Transfer Case Electrical Wiring Harness
    GM647994Courtesy of GENERAL MOTORS COMPANY
  7. Install the transfer case electrical wiring harness.
    8. Fig 5: Motor/Encoder Electrical Connectors
    GM715660Courtesy of GENERAL MOTORS COMPANY
  8. Install the motor/encoder electrical connector.
  9. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement in Propeller Shaft.
  10. Install the rear propeller shaft.
  11. Check the transfer case fluid level. Refer to Transfer Case Fluid Replacement .
    12. Fig 6: View Of Transfer Case Shield & Screws (2500 Series)
    GM396828Courtesy of GENERAL MOTORS COMPANY
  12. Install the transfer case shield. Refer to Transfer Case Shield Replacement .
  13. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
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.