REMOVAL
(1) Remove brake lines at master cylinder and combination valve (Fig. 20).
(2) Disconnect differential pressure switch wire from the combination valve.
(3) Remove mounting nuts from the combination valve bracket and remove the valve (Fig. 20).
(4) Remove mounting nuts from the master cylinder (Fig. 21).
(5) Remove master cylinder.
(6) Remove cylinder cover and drain fluid.
(7) If master cylinder reservoir requires service, refer to reservoir replacement procedure in this section.
Fig. 21 Master Cylinder
1 - BOOSTER
2 - MASTER CYLINDER
INSTALLATION
NOTE: If master cylinder is replaced, bleed cylinder before installation.
(1) Remove protective sleeve from primary piston shank on new master cylinder.
(2) Clean cylinder mounting surface of brake booster.
(3) Install master cylinder onto brake booster studs.
(4) Install mounting nuts and tighten to 17 N·m (155 in. lbs.).
(5) Install combination valve and install mounting nuts.
(6) Connect brake lines to master cylinder and combination valve and tighten to 14 N·m (124 in.
lbs.).
(7) Connect differential pressure switch wire to the combination valve.
(8) On RHD vehicles install the coolant reserve/ overflow tank. Refer to Group 7 Cooling System.
(9) Fill and bleed base brake system.