Once the brake booster vacuum reserve is depleted, the driver will have foundation brake function, but with increased brake pedal effort. Reduced vehicle braking could lead to a crash.

Service Brakes, Hydraulic — Power Assist — Vacuum — Hoses, Lines/Piping, And Fittings

Summary
Ford is recalling 605,684 MY 2005-2006 F-150 and Lincoln mark lt vehicles equipped with 5.4L 3-valve engines. The brake booster vacuum supply hose attached to the intake manifold fitting may swell over time and lose retention force. This condition could allow the hose to become detached from the fitting during an intake manifold backfire. Should the hose detach from the intake manifold, several brake applications with power assist will be available before the vacuum reserve is depleted.
Actions
Dealers will replace a rubber hose on the brake booster vacuum supply tube assembly. The recall began on June 27, 2008. Owners may contact Ford at 1-800-392-3673.
Documents (16)

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Date Announced
MAY 07, 2008
Vehicles Affected
605,684
Ford Recall #
08S05
NHTSA Campaign #
08V208000
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