BRAKES 4 - 7
November 2007 GEM Service Manual
REAR BRAKE ASSEMBLY
(2 - 4 PASSENGER ONLY)
(e2, e4, eS, eL)
OPERATION
When pressing on the brake pedal, pressure forces
the brake fluid through the brake line from the
master cylinder to each wheel cylinder. The wheel
cylinder has two pistons, each of which engage a
brake shoe. Fluid pressure pushes the pistons out,
causing the brake shoes to press against the brake
drum.
DESCRIPTION
The rear brakes consist of a spindle, wheel
cylinder, park brake actuator lever, drum and
shoes. It is mounted on flanges at each end of the
rear axle. The park brake actuator lever is
connected by cables to the park brake lever.
When the park brake lever is engaged, it pulls on
the cables to the park brake actuator lever, which
engages the two brake shoes. Movement of the
park brake actuator forces the brake shoes to press
against the brake drum.
The friction of the shoes against the drum causes
the drum and wheel to stop turning.
REMOVAL
1. Raise and support the vehicle on a suitable
hoist.
2. Remove the hubcap.
3. Remove the tire and wheel assembly.
4. Remove the cotter pin and clevis pin attaching
park brake cable to actuator lever on brake
drum.
5. Remove the park brake cable from actuator
lever.
6. Using a flare nut wrench, remove 17mm brake
line from the wheel cylinder and allow fluid to
drain into suitable container for disposal.
7. Remove the four 13mm bolts attaching the
brake assembly to the axle end flange.
8. Remove the rear brake assembly.
Fig. 5 Rear Brake Breakdown
(*indicates serviceable part)
1 - Drum* 10 - Actuating lever
2 - Drum mounting bolt(s) 11 - Outer spring*
3 - Wheel cylinder bolts 12 - Spacer
4 - Bleed screw 13 - Spacer mounting bolt and nut
5 - Wheel cylinder* 14 - Lower shoe retainer
6 - Upper spring 15 - Lower Spring
7 - Mounting/Backing plate 16 - Brake shoe*
8 - Retention pin clips 17 - Spindle
9 - Retention pins
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