Jeep 1996 Grand Cherokee Service Manual - page 181
corroded,
rusted,
scored,
or
if
polishing
would
increase bore diameter more than 0.025 mm (0.001
inch).
ADJUSTMENTS
STOP LAMP SWITCH
(1) Press and hold brake pedal in applied position.
(2) Pull switch plunger all the way out to fully
extended position.
(3) Release brake pedal. Then pull pedal fully rear-
ward. Pedal will set plunger to correct position as
pedal pushes plunger into switch body. Switch will
make racheting sound as it self adjusts.
PARKING BRAKE CABLE TENSIONER
NOTE: Parking brake adjustment is only necessary
when the tensioner, or a cable has been replaced or
disconnected for service. When adjustment is nec-
essary, perform the following procedure for proper
parking brake operation.
ADJUSTMENT
(1) Raise vehicle.
(2) Back off tensioner adjusting nut to create slack
in cables.
(3) Remove rear wheel/tire assemblies and remove
brake drums.
(4) Check rear brakeshoe adjustment with stan-
dard brake gauge. Excessive shoe-to-drum clear-
ance, or worn brake components will result in
faulty parking brake adjustment and operation.
(5) Verify that parking brake cables operate freely
and are not binding, or seized. Replace faulty cables,
before proceeding.
(6) Reinstall brake drums and wheel/tire assem-
blies after brakeshoe adjustment is complete.
(7) Lower vehicle enough for access to parking
brake lever. Then fully apply parking brakes. Leave
brakes applied until adjustment is complete.
(8) Raise vehicle and mark tensioner rod 6.5 mm
(1/4 in.) from tensioner bracket (Fig. 83).
(9) Tighten adjusting nut at equalizer until mark
on tensioner rod moves into alignment with tensioner
bracket.
(10) Lower vehicle until rear wheels are 15-20 cm
(6-8 in.) off shop floor.
(11) Release parking brake lever and verify that
rear wheels rotate freely without drag.
(12) Lower vehicle.
NOTE: Do not loosen/tighten equalizer adjusting
nut for any reason after completing adjustment.
PARKING BRAKESHOE
(1) Remove wheel and tire assemblies.
(2) Secure rotor with two wheel nuts.
(3) Remove rubber access plug from back of splash
shield.
(4) Insert brake tool through access hole in splash
shield (Fig. 84). Position tool at bottom of star wheel.
(5) Rotate star wheel upward in counterclockwise
direction to expand shoes (while facing front of vehi-
cle).
(6) Expand shoes until light drag is experienced.
Then back off adjuster screw only enough to elimi-
nate drag.
(7) Install plug in splash shield access hole.
(8) Install wheel and tire assemblies.
SPECIFICATIONS
BRAKE FLUID
The brake fluid used in this vehicle must conform
to DOT 3 specifications and SAE J1703 standards.
No other type of brake fluid is recommended or
Fig. 82 Lightly Polishing Piston Bore With Tool
Fig. 83 Tensioner Rod Measurement
5 - 32
BRAKES
ZJ
CLEANING AND INSPECTION (Continued)