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4C-16 Rear Brakes:
Brake Caliper Inspection
WARNING
!
Refer to "Brake Dust Caution: ".
WARNING
!
Refer to "Brake Fluid Irritant Caution: ".
1. Inspect the brake caliper housing (1) for cracks,
excess wear, and/or damage. If any of these
conditions are present, the brake caliper requires
replacement.
2. Inspect the caliper piston dust boot seal (2) for
cracks, tears, cuts, deterioration and/or improper
seating in the caliper body. If any of these conditions
are present, the brake caliper requires overhaul or
replacement.
3. Inspect for brake fluid leakage around the caliper
piston dust boot seal (2) and on the disc brake pads.
If there is any evidence of brake fluid leakage, the
brake caliper requires overhaul or replacement.
4. Inspect for smooth and complete travel of the caliper
piston, or pistons, into the caliper bore, or bores:
The movement of a caliper piston into a caliper bore
should be smooth and even. If a caliper piston is
frozen or difficult to bottom, the caliper requires
overhaul or replacement.
– For single piston caliper applications, insert a
discarded inner brake pad (2) or block of wood in
front of the piston. Using a large C-clamp (1)
installed over the body of the caliper (3) and
against the brake pad or block of wood, slowly
bottom the piston in the bore.
– For dual piston caliper applications, insert a
discarded inner brake pad (2) or block of wood in
front of the pistons. Using 2 large C-clamps (1)
installed over the body of the caliper (3) and
against the brake pad or block of wood, slowly
bottom the pistons evenly into the bores.
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Troubleshooting
