Hydraulic Brake Component Operation Visual Inspection
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Hydraulic Brake Component Operation Visual Inspection
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2.
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If any evidence of a brake fluid leak is present, the brake caliper requires overhaul or replacement.
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3.
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While the brake system is at rest (4), observe the position of the caliper piston (1) in relation to the caliper housing.
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4.
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Have an assistant apply and release the brake pedal several times while you observe the operation of the hydraulic brake caliper.
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4.1.
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Observe the caliper piston (1) for unrestricted and even movement during each apply of the brake system (5).
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4.2.
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Observe the caliper piston (1) for an unrestricted and even return motion during each release of the brake system (6).
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5.
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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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