Ciera V6-173 2.8L VIN W FI (1986)
- Remove failure warning switch.
- Remove 0-ring (OEM switch may not include 0-ring).
Proportioner Valve Assemblies
Proportioner Valve Assemblies
- Remove proportioner valve assemblies.
- Remove 0-rings.
CAUTION:Do not damage piston or cylinder wall.
5. Depress primary piston and remove lock ring.
6. Plug primary fluid outlet (outlet nearest to cowl when master cylinder is installed), then apply compressed air into secondary fluid outlet to remove
primary and secondary pistons.
7. Remove spring retainer and seals from secondary piston.
8. Remove switch piston assembly.
Switch Piston Assembly
Switch Piston Assembly
- Remove failure warning switch (if not previously removed).
- Remove allen head plug and 0-ring.
- Remove switch piston using needle nose pliers.