GrandPrix, Impala 2006-2008, Monte Carlo 2006-2007

Fuel Pump

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Relieve the fuel system pressure.
  4.  
  5. Drain the fuel tank with a hand held siphon until the level is less than 1 / 4 full.
  6.  
  7. Remove or disconnect the following:
    WARNING
    When the lock-ring is removed from the fuel sender, the sender assembly will spring up. Downward pressure should be kept on the assembly and slowly released to ensure the sender assembly does not get damaged.



    Negative battery cable
     
    Spare tire and jack
     
    Floor trunk liner by pulling it back
     
    Fuel sender access panel
     
    Fuel tank pressure sensor electrical connector
     
    Fuel sender electrical connector
     
    Fuel sender assembly quick connect fittings
     
    Retaining lock-ring from the fuel sender
     



    Modular fuel sender assembly

    Click image to see an enlarged view

    Fig. Remove the fuel pump from the tank after removing the locking ring

     

  8.  

To install:

  1. Install or connect the following:

    New O-ring on the fuel tank
     
    Fuel sender
     
    Lockring on the fuel sender
     
    Fuel sender electrical connector
     
    Fuel tank pressure sensor electrical connector
     
    Quick connect fittings at the fuel sender
     
    Negative battery cable
     

  2.  
  3. Add a small amount of fuel to the fuel tank.
  4.  
  5. Turn the ignition to the ON position for 2 seconds then turn the ignition OFF for 10 seconds. Turn the ignition ON and check for leaks.
  6.  
  7. Turn the ignition OFF and check for leaks.
  8.  
  9. Install or connect the following:

    Fuel sender access panel and torque the nuts to 89 inch lbs. (10 Nm)
     
    Trunk liner
     
    Spare tire, jack and spare tire cover
     

  10.  
  11. Refill the fuel tank.

    Click image to see an enlarged view

    Fig. Fuel pump and sending unit module assembly

  12.  

 
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