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How to Install a Fuel Pump on 1991 Mazda 626 LX

The Mazda 626 is a series of cars manufactured by Mazda for the export market from 1979 to 2002. The 1991 Mazda 626 was a mid-size car, and the LX designator indicates a trim level in the United Kingdom. The engine for the 1991 Mazda 626 uses fuel injection, which requires the fuel pump to deliver pressurized fuel. The fuel pump for this vehicle is accessible from the rear passenger compartment.

Instructions

1

Start the engine, and remove the relay connector under the left side of the instrument panel. Allow the engine to stall, and turn the ignition switch off. Connect the relay connector.

2

Disconnect the cable for the negative battery terminal with a socket wrench. Press the clip on each end of the rear seat to release the cushion, and remove the rear seat cushion. Detach the electrical connector for the fuel pump assembly. Remove the screws on the access cover for the fuel pump assembly, and open the access cover.

3

Detach the fuel lines from the fuel pump assembly, and remove the mounting screws on the fuel pump assembly with a socket wrench. Discard the old gasket for the fuel pump assembly. Disconnect the electrical connector for the fuel sending unit, and remove the mounting nuts for the fuel sending unit. Disconnect the fuel sending unit from the fuel pump.

4

Attach the fuel sending unit to the new fuel pump, and fasten the mounting nuts for the fuel sending unit with a socket wrench. Connect the electrical connector for the fuel sending unit, and place a new gasket on the fuel tank. Install the fuel pump assembly into the fuel tank, and fasten the mounting screws for the fuel pump assembly. Attach the fuel lines to the fuel pump assembly.

5

Replace the access cover, and fasten the mounting screws for the access cover with a socket wrench. Connect the electrical connector for the fuel pump assembly, and replace the rear seat cushion. Connect the cable for the negative battery terminal, and start the engine. Check the fuel system for leaks.

Posted by Unknown at 6:30 PM

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Labels: 1991, 626, a, fuel, how, install, lx, mazda, on, pump, to