Mercury 5L8Z-9D280-AA Fuel Supply Manifold Assembly

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To remove the fuel rail and injectors as a single assembly, follow these steps:a) Remove the fuel rail mounting bolts.b) Carefully lift and remove the fuel rail and injectors together as one unit.

To remove the intake manifold on models through 2004, start by depressurizing the fuel system and disconnecting the negative battery cable. Remove the air cleaner and inlet duct, and disconnect the accelerator cable. For 2.3L and 2005 and later 2.0L models, remove the engine cooling fan and shroud. Disconnect the brake booster vacuum hose from the base of the manifold, remove the engine oil dipstick and its tube. Disconnect the injection harness wiring plug and camshaft position sensor at the rear of the cylinder head. Disconnect all electrical connectors from the throttle body. For models through 2004, disconnect the fuel supply and return lines from the fuel rail. Protect the alternator from fuel spillage. If equipped, disconnect the intake manifold runner control (IMRC) cable. Remove the manifold support bracket (SPI engines) and manifold retaining bolts. Check there is nothing else attached to the manifold and withdraw it from the engine, keeping it as level as possible. Recover the four gaskets - new ones must be used on installation.

To remove the fuel rail and injectors as a single assembly, follow these steps: a) Remove the fuel rail mounting bolts. b) Carefully lift and remove the fuel rail and injectors together as one unit.