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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 902 (Transfer Case - NVG 233-NP1 (Two Speed SELECTABLE)) >> Repair Instructions >> Transfer Case Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a new to the transfer case gasket (with the tab facing upward).

    Important:  The following service procedure should be performed with the aid of another technician.

  2. Install the transfer case assembly.
    Fig 1: Installing transfer case gasket
    G01468286Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the transfer case retaining nuts.

    Tighten 

    Tighten the transfer case retaining nuts to 55 N.m (40 lb ft).

    Fig 2: Installing Transfer Case Retaining Nuts
    G01468287Courtesy of GENERAL MOTORS CORP.
  4. Install the transmission mount.

    Tighten 

    Tighten the transmission mount bolts to 47 N.m (35 lb ft).

    Fig 3: Installing Transmission Mount
    G01468288Courtesy of GENERAL MOTORS CORP.
  5. Install the transmission support assembly.
    Fig 4: Installing Transmission Support Assembly
    G01468289Courtesy of GENERAL MOTORS CORP.
  6. Install the transmission mount retaining nuts.

    Tighten 

    Tighten the transmission mount retaining nuts to 46 N.m (35 lb ft).

  7. Remove the transmission jack from the transmission.
    Fig 5: Installing Transmission Mount Retaining Nuts
    G01468290Courtesy of GENERAL MOTORS CORP.
  8. Install the motor/encoder electrical connector.
  9. Install the motor/encoder electrical wiring harness.
    Fig 6: Installing Motor/Encoder Electrical Wiring Harness
    G01468291Courtesy of GENERAL MOTORS CORP.
  10. Install the vacuum line to the transfer case vacuum switch.
    Fig 7: Installing Transfer Case Vacuum Switch Vacuum Line
    G01468292Courtesy of GENERAL MOTORS CORP.
  11. Install the transfer case brace left side shown, if equipped.
  12. Install the transfer case brace bolt at the transfer case.

    Tighten 

    Tighten the transfer case brace bolt to 60 N.m (44 lb ft).

  13. Install the transfer case brace bolt at the engine.

    Tighten 

    Tighten the transfer case brace to engine bolt to 47 N.m (35 lb ft).

    Fig 8: Installing Transfer Case Brace Left Side
    G01468293Courtesy of GENERAL MOTORS CORP.
  14. Install the rear propeller shaft.
    • For vehicles equipped with the one piece propeller shaft, refer to PROPELLER SHAFT REPLACEMENT - ONE PIECE in Propeller Shaft.
    • For vehicles equipped with the two piece propeller shaft, refer to PROPELLER SHAFT REPLACEMENT - TWO PIECE in Propeller Shaft.
  15. Install the front propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT - FRONT in Propeller Shaft.
  16. Fill the transfer case with the approved fluid. Refer to TRANSFER CASE FLUID REPLACEMENT  .
  17. Install the transfer case shield. Refer to TRANSFER CASE SHIELD REPLACEMENT  .
  18. Lower the vehicle. Refer to JACKING AND LIFTING in General Information.
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