Thursday, April 21, 2016

The Pontiac Grand Prix has an electric fuel pump so you should ensure that its fuses and relays are working before checking it. You may need to clean your fuel pump or replace it if your gas tank is not empty, but your vehicle has difficulty getting fuel. The Pontiac Grand Prix comes in a variety of styles that can affect the replacement fuel pump you choose.

Instructions

    1

    Determine which fuel pump your Pontiac Grand Prix will need. This depends not only on the make and model, but also the engine size. Models made from 1962 to 1968 will have a 389 cubic inch (ci), 400 ci, 421 ci or 428 ci engine. Models built from 1969 to 1972 may be equipped with a 400 ci, 428 ci or 455 ci engine.

    2

    Look at later generations of the Pontiac Grand Prix. Models made from 1973 to 1977 may have a 231 ci, 350 ci, 400 ci or 455 ci engine. Models manufactured from 1978 to 1987 have 231 ci, 252 ci, 265 ci, 301 ci, 305 ci and 350 ci engines. Models made from 1988 to 1996 can be equipped with a 2.3 L, 2.8 L, 3.1 L or 3.4 L engine.

    3

    Examine the most recent versions of the Pontiac Grand Prix. Models made from 1997 to 2003 will have a 3.1 L or 3.8 L engine. The last generation was produced from 2004 to 2008 and had a 3.8 L, 3.8 L supercharged or a 5.3 L engine.

    4

    Prepare your vehicle for fuel pump servicing. Relieve the fuel system pressure and drain the fuel tank until it is one-quarter full. Disconnect the negative battery cable with a socket wrench. Remove the jack and spare tire so that you can remove the lining in the trunk. This will allow you to open the fuel sender access panel by removing the nuts with a socket wrench.

    5

    Remove the electrical connector from the fuel tank pressure sensor and fuel pump. Disconnect the quick connect fittings for the fuel pump. Remove the retaining ring for the fuel pump and take out the fuel pump assembly. Discard the old O-ring.

    6

    Install the new fuel pump using the items included in the kit, especially the new O-ring.

    7

    Complete the installation by reversing the removal procedure. Tighten the nuts on the access panel to 89 in. lbs. with a torque wrench.

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