Brake Pedal - Jeep J-10 Series 1982 Technical & Service Manual

26-14 BRAKES
Service Diagnosis-Disc Brakes (Continued)
Condition
Possible Cause
Correction
SPONGY PEDAL
(Continued)
(5)
(6)
Compensator port blocked in
master cylinder.
Improper (low quality) brake
fluid in system. Fluid boils and
becomes aerated.
(5) Check and correct as required.
(6) Drain and flush system.
BRAKE PEDAL
A suspended brake pedal is used on all models. The
pedal is attached to the pedal support bracket by a pivot
bolt (figs. 2G-1 and 2G-2). The pivot bolt serves as both
attaching part and pivoting member for the pedal.
PIVOT
BOLT
WASHER
PIVOT
,cv^-—*B0LT
mT^ LOCKNUT
SUPPORT
BRACKET
RETURN
SPRING
BRAKE
PEDAL
80338
Fig. 2G-1 Brake Pedal—CJ and Scrambler Models
The pedal linkage should be lubricated and inspected
regularly for binding, looseness, or excessive play. Bind
ing can cause improper pedal release which may result
in brake drag and rapid lining wear. In addition, worn
pedal linkage may cause a low pedal condition or fre
quent need for brake adjustment.
Pedal free play should be 1/16 to 1/4 inch (1.58 to 6.35
mm). Inadequate free play can result in brake drag or
grab while excessive free play can produce a low pedal
condition. Free play on modeU with nonpower brakes is
governed by pedal push rod length which is preset at
manufacture. The push rod is not adjustable on these
BRAKE LAMP
SWITCH
PIVOT
BOLT
SUPPORT
BRACKET
606386
PIVOT
j\ I BUSHING B0LT
LOCKNUT
BRAKE
PEDAL
SPACER
WASHER
80337
Rg. 26-2 Brake Pedal—Cherokee-Wagoneer-Truck Models
models and under normal circumstances should not re
quire further attention. Power brake equipped vehicles
utilize a single push rod in the power unit which is also
preset at manufacture and is not adjustable. When re
placing a power unit, use the push rod supplied with the
replacement power unit as it has been properly gauged
for use with the replacement unit. Pedal free play for
power brake equipped vehicles is the same as for ve
hicles with nonpower brakes.
BRAKE WARNIN6 LAMP
A dual purpose warning lamp is located in the in
strument cluster on all Jeep vehicles. The primary func
tion of this lamp is to alert the driver if a pressure