Camaro V8-5.7L VIN G (1998)
Brake Master Cylinder: Testing and Inspection
1. Inspect for cracks in the master cylinder body.
2. Inspect for brake fluid around the master cylinder.
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A leak exists if there is at least one drop of fluid.
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A damp condition is not abnormal.
3. Inspect for binding brake pedal linkage.
4. If the pedal linkage is correct, remove the master cylinder reservoir cap. Inspect for the following conditions:
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A distorted or swollen master cylinder reservoir diaphragm
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Swollen primary or secondary piston seal(s)
5. If a swollen diaphragm or secondary piston seal(s) are found, substandard or contaminated brake fluid is the probable cause. If the fluid is
contaminated, use the following procedure:
5.1. Disassemble and clean the serviceable components.
5.2. Replace all of the non-serviceable rubber components.
5.3. Flush all of the brake pipes and the hoses.
In order to diagnose malfunctions in the master cylinder, refer to Brake System Diagnosis (f).
