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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 531 (REAR DRIVE AXLE)REPAIR INSTRUCTIONSVENT HOSE REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: When installing the vehicle hose, note the following:
  • Route the same way as when removed.
  • Ensure that the hose is free of kinks and is routed clear of sharp objects.
  • Ensure that the vent is not plugged.
    Fig 1: Frame Clip Vent Hose (15 Series Vehicles)
    GM1197862Courtesy of GENERAL MOTORS CORP.
  1. For 15 series vehicles, install the vent hose to the axle.
  2. Install the vent hose to the clip attached to the frame.
    3. Fig 2: Frame Clip Vent Hose (25/35 Series Vehicles)
    GM1197863Courtesy of GENERAL MOTORS CORP.
  3. For 25/35 series vehicles, install the vent hose to the axle.
  4. Install the vent hose to the clip attached to the frame.
  5. 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.