Grand AM L4-144 2.4L DOHC VIN T SFI (1997)
Brake Proportioning/Combination Valve: Service and Repair
REMOVE OR DISCONNECT
1. Proportioner valve caps. In order to remove the proportioner valve caps, it may be necessary to remove the master cylinder reservoir. See: Brake
Master Cylinder/Service and Repair
2. Proportioner valve cap "O"-rings and discard.
3. Proportioner valve piston springs.
4. Proportioner valve pistons. Using needle nose pliers, take care not to scratch or otherwise damage piston stems.
5. Proportioner valve seals from proportioner valve pistons. Clean All parts in clean, denatured alcohol. Dry with unlubricated compressed air.
Inspect proportioner valve pistons for corrosion, or deformation and replace if found.
INSTALL OR CONNECT
NOTE: Lubricate new proportioner valve cap "O"-rings and proportioner valve seals with silicone grease supplied in repair kit. Also lubricate stem of
proportioner valve pistons.
1. New proportioner valve seals on proportioner valve pistons with seal lips facing upward toward proportioner valve cap.
2. Proportioner valve pistons and seals in master cylinder body.
3. Proportioner valve piston springs in master cylinder body.
4. New proportioner valve cap "O"-rings (lubricate before installing) in grooves in proportioner valve caps.
5. Proportioner valve caps in master cylinder body. Tighten Proportioner valve caps to 27 Nm (20 ft. lbs.).
6. Master cylinder reservoir, if removed.
