2003 Pontiac Grand Prix Change the Fuel Filter

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Replacement of the fuel filter in your 2003 Pontiac Grand Prix is only required by the manufacturer when performance problems, like bogging under acceleration, occur. However,many home mechanics choose to replace the fuel filter regularly, as part of a tune-up, to prevent performance problems and damage to the fuel pump. This repair can be accomplished in about an hour by the average home mechanic and requires only basic hand tools to complete.

[edit] Tools Used

Tools
Wheel chocks
Floor jack
Jack stands
Wrench set
Drain pan

[edit] Change the Fuel Filter

  • Remove the fuel pump relay located in the under-hood fuse block on the driver side of the engine compartment. Start the engine and allow the engine to idle until it stalls due to lack of fuel. Remove the gas filler cap to prevent pressure buildup in the tank caused by evaporating fuel.
  • Block the front wheels with the wheel chocks. Raise the rear of the Grand Prix with the floor jack and position jack stands under the rear sub-frame. Lower the rear of the caronto the stands to support the weight of the car.
  • Slide under the car and locate the fuel filter on the passenger-side frame, in front of the fuel tank. Depress the plastic quick-disconnect tabs, on the plastic fuel lines attached to the filter, while pushing the line towards the filter. When the tabs release the line, pull the line from the filter. Remove the filter from the filter bracket by sliding it through the front of the bracket.
  • Insert the new filter into the bracket. Push the fuel lines onto the filter until they snap into position. Pull on the lines to verify they are securely attached to the filter.
  • Lower the car from the stands and reinstall the gas cap. Turn the ignition key to the run position and then off again, three times. This will prime the fuel system. Start the engine and check for fuel leaks before test-driving the car.
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