BrakesHydraulic Brake Component Operation Visual Inspection
Hydraulic Brake Component Operation Visual Inspection
| 1. |
With the tire and wheel
assemblies removed and the brake rotors retained by wheel lug nuts,
visually inspect the caliper piston dust boot (2) sealing area to
ensure that there are no brake fluid leaks. |
| 2. |
If any evidence of a brake
fluid leak is present, the brake caliper requires overhaul or
replacement. |
| 3. |
While the brake system is at
rest (4), observe the position of the caliper piston (1) in
relation to the caliper housing. |
| 4. |
Have an assistant apply and
release the brake pedal several times while you observe the
operation of the hydraulic brake caliper. |
| |
4.1 |
Observe the caliper piston (1)
for unrestricted and even movement during each apply of the brake
system (5). |
| |
4.2 |
Observe the caliper piston (1)
for an unrestricted and even return motion during each release of
the brake system (6). |
| 5. |
If the caliper piston (1) did
not exhibit unrestricted and even movement during brake system
apply and/or release, the piston square seal (3) may be worn or
damaged and the caliper may require overhaul or replacement.
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07 Brakes
