Thursday, December 5, 2013

How to Change the Fuel Pump on a 1992 Mitsubishi Eclipse

The Mitsubishi Eclipse is a two-door coupe that is also sold as the Plymouth Laser and Eagle Talon. It has been in continuous production since 1990, and the 1992 model is a first-generation Eclipse. The 1992 Mitsubishi Eclipse has either a four-cylinder 1.8L engine or a four-cylinder 2.0L engine. All versions of this vehicle use multi-port fuel injection that requires high-pressure fuel delivery. Replacing the fuel pump in the Mitsubishi Eclipse requires you to remove the fuel tank.

Instructions

    1

    Loosen the filler cap on the fuel tank and detach the electrical connector for the fuel pump on the fuel tank. Start the engine and wait for it to stall. Turn the ignition off and disconnect the cable to the negative terminal on the battery with a socket wrench.

    2

    Raise the vehicle with a floor jack. Siphon the fuel from the fuel tank with a hose and drain it into a container approved for gasoline. Disconnect the electrical harness for the fuel gauge unit. Detach the fuel line from the fuel pump.

    3

    Remove the nuts from the support straps of the fuel tank with a socket wrench. Disconnect the attaching bolt for the right lateral rod and detach the rod from the right body coupling. Lower the rod and suspend it with wire from the axle beam. Disconnect the holding bolt on the fuel tank and discard its gasket. Disconnect the fuel pump from the fuel tank.

    4

    Align the nipples on the new fuel pump with the corresponding projections on the fuel tank and install the fuel pump onto the fuel tank. Install the new gasket for the holding bolt and connect the holding bolt on the bottom of the fuel tank. Tighten the holding bolt to 10 ft.-lbs. with a torque wrench. Connect the right lateral rod to the body coupling with the attaching bolt but do not tighten the bolt. Attach the nuts on the support straps for the fuel tank and tighten them to 22 ft.-lbs. Connect the fuel line to the fuel tank and tighten the fuel line connector to 29 ft.-lbs. Attach the electrical connectors for the fuel pump and fuel gauge.

    5

    Lower the vehicle with the jack and tighten the attaching bolt for the lateral rod between 58 and 72 ft.-lbs. Fill the fuel tank with fuel and reattach the cable for the negative terminal on the battery. Check the fuel system for leaks.

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