Master Cylinder: Installation
- Bench bleed master cylinder before installing. See BENCH BLEEDING MASTER CYLINDER under BLEEDING BRAKE SYSTEM. Ensure NEW master cylinder-to-power brake booster vacuum seal is squarely installed in groove on mounting flange of master cylinder before installing master cylinder.
- Ensure push rod in power brake booster aligns with piston in master cylinder. Tighten master cylinder-to-power brake booster nuts and brakeline nuts to specification. See TORQUE SPECIFICATIONS table.
- On models without ABS, bleed brake system. See BLEEDING BRAKE SYSTEM . On models with ABS, it is not necessary to bleed Hydraulic Control Unit (HCU), but base brake system must be bled. See appropriate ANTI-LOCK article for bleeding procedure.
CAUTION:
Master cylinder-to-power brake booster vacuum seal must always be replaced. DO NOT reuse vacuum seal.