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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 916 (FRAME AND UNDERBODY)REPAIR INSTRUCTIONSTRANSMISSION SUPPORT CROSSMEMBER REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Transmission Support To Frame Mounting Bolts
    GM851495Courtesy of GENERAL MOTORS CORP.
  1. Install the transmission support crossmember to the vehicle.
    2. NOTE: Refer to Fastener Notice .
  2. Install the transmission support crossmember to the frame mounting bolts.

    Tighten: 

    • Tighten the bolts to 50 N.m (37 lb ft), except Cutaway.
    • Tighten the bolts to 65 N.m (48 lb ft), Cutaway.

    3. Fig 2: Transmission Mount To Transmission Support Retaining Nuts (4WD Vehicles)
    GM829718Courtesy of GENERAL MOTORS CORP.
  3. Install the transmission mount to the transmission support crossmember retaining nuts, for 4WD vehicles.

    Tighten:  Tighten the nuts to 60 N.m (44 lb ft).

    4. Fig 3: Transmission Mount To Transmission Support Retaining Nut (RWD Vehicles)
    GM829715Courtesy of GENERAL MOTORS CORP.
  4. Install the transmission mount to the transmission support crossmember retaining nut, for RWD vehicles.

    Tighten:  Tighten the nut to 60 N.m (44 lb ft).

    5. Fig 4: Fuel Filter Bracket To Transmission Support Retaining Bolts
    GM829088Courtesy of GENERAL MOTORS CORP.
  5. Install the fuel filter bracket to transmission support crossmember retaining bolts.

    Tighten:  Tighten the bolts to 30 N.m (22 lb ft).

    6. Fig 5: Brake Combination Valve To Transmission Support Mounting Bolt
    GM1199229Courtesy of GENERAL MOTORS CORP.
  6. Install the brake combination valve to transmission support crossmember mounting bolt.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

  7. Remove the safety stands.
  8. Lower 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.