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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - NVG 233-NP1 (Two Speed SELECTABLE) Service >> Repair Instructions >> Transfer Case Vacuum Switch Replacement >> Installation Procedure

Installation Procedure

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  1. Install the transfer case vacuum switch

    Tighten 

    Tighten the transfer case vacuum switch to 20 N.m (15 lb ft).

  2. Install the transfer case vacuum switch vacuum line.
    Fig 1: Installing Transfer Case Vacuum Switch Vacuum Line
    G01671086Courtesy of GENERAL MOTORS CORP.
  3. Install the transfer case brace, if equipped.
  4. Install the transfer case brace bolts.

    Tighten 

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

  5. Install the transfer case brace bolt at the transfer case.

    Tighten 

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

  6. Install the transfer case shield. Refer to Transfer Case Shield Replacement .
  7. Lower the vehicle. Refer to LIFTING & JACKING THE VEHICLE in General Information.
    Fig 2: Installing Transfer Case Brace Bolt At Transfer Case
    G01671087Courtesy of GENERAL MOTORS CORP.
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