mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

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Fuel Pump Inertia Switch <--> [Inertia Fuel Shutoff Switch] > < By-Pass Air (BPA) Valve <--> [Idle Speed/Throttle Actuator - Electronic]|Description and Operation|Page 4194

Grand Marquis V8-281 4.6L SOHC (1992)

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By-Pass Air (BPA) Valve: Service and Repair

Air Bypass Valve

REMOVAL

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Disconnect electrical connector from air bypass valve assembly.

 

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Remove the two bypass valve retaining bolts.

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Remove air bypass valve and gasket.

INSTALLATION

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Clean gasket mating surfaces.
NOTE:  If scraping is necessary, DO NOT damage air bypass valve or intake manifold gasket surfaces. Avoid dropping gasket material into
manifold passages.

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Install a new gasket and air bypass valve.

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Install retaining screws and tighten to 6-8.8 ft lb (8-12 Nm).

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Connect electrical connector to air bypass valve assembly.

Fuel Pump Inertia Switch <--> [Inertia Fuel Shutoff Switch] > < By-Pass Air (BPA) Valve <--> [Idle Speed/Throttle Actuator - Electronic]|Description and Operation|Page 4194