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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 (Hydraulic Brake System) >> Repair Instructions >> Proportioning Valve Replacement (Non-ABS System) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Prior to disconnecting the brake pipes from the proportioning valve assembly, note the locations of the brake pipes to the valve assembly, to aid during installation.
  1. Disconnect the caliper and wheel cylinder brake pipes (2) from the proportioning valve assembly.
  2. Cap or plug the brake pipe ends to prevent brake fluid loss and contamination.
  3. Disconnect the master cylinder brake pipes (1) from the proportioning valve assembly.
  4. Cap or plug the brake pipe ends to prevent brake fluid loss and contamination.
    5. Fig 1: View Of Proportioning Valve Assembly (Non-ABS System)
    GM1311224Courtesy of GENERAL MOTORS CORP.
  5. Remove the master cylinder mounting nuts (1).
    Fig 2: View Of Master Cylinder Mounting Nuts
    GM892088Courtesy of GENERAL MOTORS CORP.
  6. Remove the proportioning valve assembly from the vehicle.
  7. If the proportioning valve is to be reused, plug the brake pipe openings to prevent brake fluid loss and contamination.
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