Installation Procedure

WARNING: This page is about a different car, the 2005 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing 2 Proportioning Valve Bracket Nuts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the proportioning valve assembly and the 2 proportioning valve bracket nuts.
Tighten: Tighten the 2 proportioning valve bracket nuts to 10 N.m (89 lb in).

Fig 2: Disconnecting 4 Brake Pipes From Proportioning Valve

Courtesy of GENERAL MOTORS CORP.

CAUTION: Make sure brake pipes are correctly connected to brake pressure modulator valve. If brake pipes are switched by mistake, wheel lockup will occur and personal injury may result. The only two ways this condition can be detected are by using a Scan Tool or by doing an Antilock stop.

Remove the tape that marked the locations of the brake pipes.
Remove the caps from the 4 brake pipes (1) and install the 4 brake pipes (1) to the proportioning valve.
Tighten: Tighten the brake pipe fittings to 20 N.m (15 lb ft).

Fig 3: Disconnecting 2 Brake Pipes From Proportioning Valve

Courtesy of GENERAL MOTORS CORP.

Remove the caps from the 2 brake pipes (1) and install the 2 brake pipes (1) to the proportioning valve.
Tighten: Tighten the brake pipe fittings to 20 N.m (15 lb ft).
Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) in Hydraulic Brakes.