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Combination Valve: Removal

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Prior to replacement of the combination valve, note the identification code on the valve. It is necessary to have the proper code when replacing the valve.
  2. Remove the combination valve electrical connector.
  3. Remove the front and rear brake pipes.
  4. Remove 3 Allen bolts securing combination valve to the Brake Pressure Modulator Valve (BPMV). See Fig 1 .
  5. Remove the combination valve from the BPMV.
  6. Remove 2 transfer tubes.
Fig 1: Removing Combination Valve
G00317533Courtesy of GENERAL MOTORS CORP.
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