Jeep 1997 Grand Cherokee Service Manual page 201

CALIPER MOUNTING BRACKET CON- BRACKET SHOE TABS TACT SURFACES ANTI-RATTLE
ZG
REMOVAL AND INSTALLATION (Continued)
INSTALLATION
(1) Clean brake shoe contact surfaces of caliper
mounting bracket (Fig. 40). Use wire brush or emery
cloth.
Fig. 40 Brake Shoe Contact Surfaces
(2) Install brake shoes in caliper.
(3) Install caliper over rotor and into mounting
bracket.
(4) Verify that brake shoe lugs are properly seated
on caliper mounting bracket (Fig. 41). Be sure
springs on outboard shoes are also seated against
bracket.
Fig. 41 Correct Brake Shoe Position
(5) Verify hose must not be twisted or kinked.
(6) Lubricate and install caliper mounting bolts
and tighten to 10-20 N·m (7-15 ft. lbs.).
(7) Install wheel and tire assemblies.
(8) Turn ignition On and run HCU pump until it
shuts off. Then pump brake pedal until shoes are
seated and indicator lights go out.
(9) Top off brake fluid level if necessary. Use
Mopar brake fluid or equivalent meeting SAD Djawa
and DOT 3 standards only.
SPRING SHOE TABS SPLASH SHIELD
REAR DISC BRAKE ROTOR
REMOVAL
(1) Raise vehicle.
(2) Remove wheel and tire assembly.
(3) Remove caliper.
(4) Remove access plug from splash shield and
back off parking brake shoes by rotating adjuster
screw star wheel with brake tool (Fig. 42). At driver
side rear wheel, rotate adjuster screw star wheel
clockwise to back off shoes. At passenger side wheel,
rotate star wheel in counterclockwise direction.
Direction of rotation is while looking from rear to
front of vehicle.
(5) If rotor and/or axle hub contact surfaces are
heavily rusted, apply rust penetrant oil to rotor and
axle hub and through spaces around wheel studs.
(6) Remove push nuts securing rotor to axle shaft
studs.
(7) Work rotor off axle hub and studs. Use plastic
or rawhide mallet to loosen rotor if necessary.
(8) Clean and inspect rotor braking surfaces.
Refinish, or replace rotor if necessary.
Fig. 42 Backing Off Parking Brake Shoes
INSTALLATION
(1) Clean axle hub and hub bore in rotor with wire
brush, or emery cloth.
(2) Install rotor on axle hub.
(3) Install disc brake caliper.
(4) Install wheel and tire assembly and lower vehi-
cle.
(5) Adjust parking brake shoes. Use brake tool to
rotate adjuster screw star wheel. Tighten shoes until
light drag is created. Then back off shoes about 1/2 to
one turn of star wheel.
(6) Install plug in splash shield access hole.
(7) Pump brake pedal to seat caliper piston and
brake shoes. Do not move vehicle until firm brake
pedal is obtained.
ACCESS HOLE BRAKE ADJUSTING TOOL
BRAKES 5 - 21