Ford · Canada · High
Ford L Series: Brakes
Affects Ford L Series · 1989–1990 — about 3K vehicles.
The hazard
1989-90 "L-SERIES" TRUCKS AND CHASSIS CABS. PRESSURE LOSS IN THE AIR BRAKE PRIMARY SERVICE RESERVOIR COULD RESULT IN LOSS OF PRESSURE IN THE SECONDARY SERVICE RESERVOIR DUE TO A DEFECTIVE SECONDARY SERVICE RESERVOIR AIR PRESSURE CHECK VALVE. THIS COULD RESULT IN LOSS OF SERVICE BRAKES AND A POSSIBLE CRASH WITHOUT PRIOR WARNING. THE REAR SPRING BRAKES WOULD APPLY IF THE PRIMARY SERVICE RESERVOIR PRESSURE DROPPED BELOW 60 P.S.I. CORRECTION: REVISED DESIGN SECONDARY SERVICE RESERVOIR CHECK VALVE COMPONENTS WILL BE INSTALLED ON AFFECTED VEHICLES.
What to do
Contact your dealer; the remedy details were not included in the filing.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational