Section 06-07A: Brake, Power, Vacuum, Single and Tandem Diaphragm | 1996 F-150, F-250, F-350, and Bronco Workshop Manual |
Remove any debris from the power brake booster (2005).
Clean the power brake booster with an approved cleaner such as Multi-Purpose Cleaner Concentrate B8A-19523-AA or equivalent. Inspect the power brake booster for damage and loose mounting.
Repair or replace the power brake booster as necessary and tighten any loose mounting nuts to specification.