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Home >> Chevrolet >> 2005 >> Classic >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Hydraulic Brake System) >> Repair Instructions >> Proportioning Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Am and 2004 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Refer to Brake Fluid Irritant Caution in Cautions and Notices.
NOTE: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in Cautions and Notices.
    Fig 1: View Of Brake Pipes & Proportioning Valve
    GM879250Courtesy of GENERAL MOTORS CORP.
  1. Remove the battery tray. Refer to Battery Tray Replacement in Body Front End.
    2. IMPORTANT: Note the locations of the brake pipes in order to aid in installation.
  2. Disconnect the 2 brake pipes (1) from the proportioning valve. Use bleeder valve caps or similar caps to plug the ends of the brake pipes in order to prevent brake fluid from draining out of the pipes and to avoid brake fluid contamination.
  3. Disconnect the 4 brake pipes (2) from the proportioning valve. Use bleeder valve caps or similar caps to plug the ends of the brake pipes in order to prevent brake fluid from draining out of the pipes and to avoid brake fluid contamination.
  4. Raise and support the vehicle on a suitable hoist. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the left inner fender shield. Refer to Front Fender Liner Replacement in Body Front End.
    6. Fig 2: View Of Proportioning Valve Assembly & Bracket Bolts
    GM879253Courtesy of GENERAL MOTORS CORP.
  6. Remove the 2 proportioning valve bracket bolts and remove the proportioning valve assembly from the vehicle.
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