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Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - NVG 136-NP4 >> Repair Instructions >> Transfer Case Adapter Replacement >> Installation Procedure

Installation Procedure

IMPORTANT: DO NOT use any type of sealant or adhesive on the transfer case adapter seal.
  1. Install the new transfer case adapter seal.
    Fig 1: Identifying Transfer Case Adapter Seal
    GM709077Courtesy of GENERAL MOTORS CORP.
  2. Install the transfer case adapter.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the transfer case adapter mounting bolts.

    Tighten:  Tighten the transfer case adapter mounting bolts to 55 N.m (40 lb ft).

    Fig 2: Identifying Transfer Case Adapter Mounting Bolts
    GM709158Courtesy of GENERAL MOTORS CORP.
  4. Install the transmission mount assembly.
    Fig 3: View Of Transmission Mount
    GM648001Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not reuse the old gasket if it is damaged, replaced it. DO NOT use any type of sealer in place of the gasket.
  5. Install the new transfer case gasket.
    Fig 4: View Of Transfer Case Gasket
    GM654219Courtesy of GENERAL MOTORS CORP.
  6. Install the transfer case assembly. Refer to Transfer Case Assembly Replacement .
  7. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
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