171
PR336
3. Remove the oil bolt securing the banjo-fittings to the
master cylinder; then remove the master cylinder. Dis-
card the three crush washers.
Inspecting
1. Inspect the master cylinder push rod and clevis for
wear, bending, or elongation of clevis holes.
2. Inspect the push rod boot for tears or deterioration.
3. Inspect the reservoir for cracks and leakage.
4. Inspect the brake hose for cracks and deterioration and
the condition of the banjo-fittings.
Installing
1. Place the master cylinder into position; then using
three new crush washers, secure the two banjo-fittings
to the master cylinder. Tighten to 20 ft-lb.
2. Secure the master cylinder assembly to the frame with
two cap screws and two flange nuts. Tighten to 25 ft-lb.
3. Install the pivot pin and secure with a new cotter pin.
4. Fill the master cylinder and bleed the brake system
(see Hydraulic Brake System in Periodic Mainte-
nance/Tune-Up).
Troubleshooting
CAUTION
Brake fluid is highly corrosive. Do not spill brake fluid
on any surface of the vehicle.
Problem: Power not transmitted from engine to wheels
Condition
Remedy
1.
Rear axle shaft serration
worn - broken
1. Replace shaft
Problem: Power not transmitted from engine to either front wheel
Condition
Remedy
1.
Secondary drive - driven gear teeth
broken
2.
Propeller shaft serration
worn - broken
3.
Coupling
damaged
4.
Coupling joint serration
worn - damaged
5.
Front drive - driven bevel gears
broken - damaged
6.
Front differential gears/pinions
broken - damaged
7.
Front drive actuator
not operating
1. Replace gear(s)
2. Replace shaft
3. Replace coupling
4. Replace joint
5. Replace gear(s)
6. Replace gears - pinions
7. Replace fuse - drive select switch - front drive actuator
Problem: Braking poor
Condition
Remedy
1.
Pad
worn
2.
Brake fluid
leaking
3.
Master cylinder/brake cylinder seal
worn
1. Replace pads
2. Repair leak(s)
3. Replace seal(s)
Problem: Brake pedal travel excessive
Condition
Remedy
1.
Brake fluid
low
2.
Piston seal - cup
worn
1. Add fluid to proper level
2. Replace seal - cup
Problem: Brake fluid leaking
Condition
Remedy
1.
Fittings
loose
2.
Hose
cracked
3.
Piston seal
worn
1. Tighten fittings
2. Replace hose
3. Replace seal
Problem: Brake pedal spongy
Condition
Remedy
1.
Air
trapped in hydraulic system
2.
Brake fluid
low
1. Bleed hydraulic system
2. Add brake fluid and bleed hydraulic brake system