RAM 3500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2010)
If the booster leaks from any of the seals the booster assembly must be replaced.
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INPUT ROD SEAL (3): Fluid leakage from rear end of the booster.
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PISTON SEAL (6): Fluid leakage from vent at front of booster.
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HOUSING SEAL (4): Fluid leakage between housing and housing cover.
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SPOOL VALVE SEAL (7): Fluid leakage near spool plug.
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RETURN PORT FITTING SEAL (8): Fluid leakage from port fitting.
HYDRAULIC BOOSTER DIAGNOSIS CHART