Brake Pressure Modulator Valve: Installation

1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Installation
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1996 GMC Vandura Special, 1996 GMC Vandura, 1996 GMC Savana Special, 1996 GMC Savana Camper Special, and 1996 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.
  1. To install NEW transfer tubes into combination valve. Install combination valve to BPMV. Install EBCM to BPMV. Do not use any sealant on gasket or mating surfaces. To complete installation, reverse removal procedure.
  2. Bleed brake system, including BPMV. See BLEEDING BRAKE SYSTEMΒ  . DO NOT overtighten BPMV-to-bracket bolts during installation. This may cause excessive noise transfer into vehicle. See TORQUE SPECIFICATIONSΒ  .
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.