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Home >> Ford >> 1990 >> Bronco II 4WD, Standard, M5OD-R1 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Adjustments >> Vacuum Dump Valve Adjustment >> Bronco & "E" & "F" Series

Bronco & "E" & "F" Series

  1. Ensure brake pedal is against stop in released position. Move dump valve forward in retaining clip until 1/8 or less of valve plunger is exposed.
  2. Tip of valve plunger should contact brake pedal adapter. Ensure brake pedal is against stop (released position). Depress brake pedal. If vacuum still does not release, replace dump valve.