How to change the fuel pump?
need to know how to change fuel pump
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The Pontiac Grand Am is a mid-size size (and later compact) car produced by Pontiac. The 1999-2005 generation is the final generation of the Pontiac Grand Am.
The pump is in the tank, so a bit of a PITA to do it. Essential steps are like this:
" Drain the fuel tank.
Relieve the fuel system pressure.
Raise and support the vehicle.
Disconnect the quick-connect fitting at the fuel filter.
Disconnect the quick connect fittings at the end of the fuel lines.
Remove the rubber exhaust hangers. Allow the exhaust system to rest on the rear axle.
Remove the exhaust heat shield.
Loosen the fuel filler hose clamp at the fuel tank.
Remove the hoses from the fuel tank filler, the EVAP vent, and the EVAP vapor pipes.
Disconnect the electrical harness from the multi-way rear body connector and fuel strap.
With the aid of an assistant, support the fuel tank (1) and disconnect the 2 fuel tank retaining straps.
Lower the fuel tank.
Disconnect the wiring harness from the modular fuel sender assembly and the fuel tank pressure sensor.
Disconnect the EVAP pipe and the fuel pipe from the modular fuel sender and the fill limiter vent valve.
Remove the fuel sender assembly from the tank.
Like I said PITA, make sure that this is where your problem is. Check fuses, filters, lines and relay as well. Hope this helps, good luck.
The most common cause of pump failure is operator negligence in not changing the fuel filter every year. The fuel filters get plugged up due to the ethanol in gasoline causing filter material to crumble and plug up the filter. The pump cannot pump anything and burns up. The other cause of pump failure is the brushes wear down after many rotations or hours of use. The brushes no longer make contact with the commutator to send electricity to power the rotor and the pump motor stops turning. Sometimes bumping the fuel tank may cause the brushes to make contact and briefly power up the motor.
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