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GMC
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1990
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Forward Control 3.9 L
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Repair and Diagnosis
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General Information
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Brakes
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Map - Brake Systems
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Brake Systems
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Caliper Piston
Caliper Piston
Condition
Code
Procedure
Broken
A
Require repair or replacement
Corroded, affecting performance
A
Require repair or replacement
Worn, affecting performance
A
Require replacement