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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 779 (TRAILER BRAKE CONTROL SYSTEM)REPAIR INSTRUCTIONSTRAILER BRAKE CONTROL RELAY REPLACEMENT (1500)REMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to the OFF position.
    2. NOTE:

    Do not remove the spare wheel hoist.

  2. Remove the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    4. Fig 1: Fuel Pump Flow Control Module
    GM2275178Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel pump flow control module (1). Refer to Fuel Pump Flow Control Module Replacement .
    5. Fig 2: Trailer Brake Control Relay Bolts
    GM2275179Courtesy of GENERAL MOTORS CORP.
  5. Remove the trailer brake control relay bolts (1).
    6. Fig 3: Trailer Brake Control Relay
    GM2275182Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the electrical connector and remove the trailer brake control relay (1).
RENDER: 1.0x

NO RELATED

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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.