5-4 BRAKES
BRAKE CALIPER ASSEMBLY
The brake caliper is mounted on the brake caliper holder using two fixing screws. The hydraulic force generated when the
brake pedal is pressed, is converted into friction by the caliper. The hydraulic force acts uniformly against the piston and
internal wall of the caliper to move the piston outwards and sliding the caliper inwards, leading to a friction force acting on
the disc.
This friction force pushes the brake friction pads against the disc, leading to the necessary force to stop the vehicle.
NOTE:
Lubricate parts as specified. Do not use lubricated shop air on brake parts as damage to rubber components
may result. If any component is removed or line disconnected, bleed the brake system.
Replacement pads in axle sets only. The torque values specified are for dry, unlubricated fasteners.
How the brake caliper works
There are two types of caliper brakes in this vehicle, the front one with two pistons and the rear one with a single piston.
They have one cylinder per piston (the cylinder being a part of the caliper brake system).
Pressure of the fluid generated in the cylinder, push pad (1) of the side of the piston against the disc. At the same time, and
as shown in the figure, the cylinder pressure forces the caliper to move rightwards, pushing pad (2) against the disc and
bracking the wheel.
REAR BRAKE CALIPER
FRONT BRAKE CALIPER
2
1
Brake caliper body
Wedge antiscreetching
Brake disc (rotor)
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