F 550 4WD Super Duty V10-6.8L (2009)
Brake System Inspection
Brake Booster
1. Inspect the brake booster for excessive corrosion or damage. Inspect the vacuum hoses for leaks and kinks.
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Install a new brake booster if signs of excessive corrosion or damage is found.
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Repair or replace vacuum hoses as necessary.
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To check for correct brake booster operation, refer to Component Tests See: Testing and Inspection/Component Tests and General
Diagnostics.
2. Inspect the Hydro-Boost(R) brake booster excessive corrosion or damage. Inspect the fluid hoses for leaks and kinks.
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Install a new Hydro-Boost(R) brake booster if signs of excessive corrosion or damage is found.
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Repair or replace fluid hoses or connections as necessary.
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To check for correct Hydro-Boost(R) brake booster accumulator operation refer to Component Tests See: Testing and Inspection/Component
Tests and General Diagnostics.
