Escalade, Suburban, Tahoe, Yukon, Denali, DenaliXL, YukonXL 1999-2005

Fuel Supply Pump

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Removal & Installation



The 6.6L Diesel engine is not equipped with a fuel supply pump.

6.5L Engine
  1. Disconnect the negative battery cables.
  2.  
  3. Locate the pump on the left frame rail and disconnect the electrical lead from the pump and the harness from the pump support bracket.

    Click image to see an enlarged view

    Fig. Fuel pump location-6.5L engines

  4.  
  5. Use two open end wrenches and disconnect the fuel lines at the pump.
  6.  
  7. Remove the pump support bracket screws and remove it from the brake lines.
  8.  
  9. Remove the pump and bracket.
  10.  

To install:

  1. Attach the pump and bracket to the frame rail.
  2.  
  3. Attach the support bracket to the brake lines.
  4.  
  5. Connect the fuel lines to the pump.
  6.  
  7. Connect the harness to the bracket and then connect the lead to the pump.
  8.  
  9. Connect the batteries.
  10.  

 
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