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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 977 (Engine Controls - 6.6L (LLY) (Introduction)) >> Repair Instructions >> Fuel Pump Replacement (Cab/Chassis) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Sending Unit Electrical Connector (Cab/Chassis)
    GM1333147Courtesy of GENERAL MOTORS CORP.
  1. Loosen the fuel fill cap to relieve the fuel system pressure.
  2. Disconnect the balance pump electrical connector.
  3. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
    4. Fig 2: View Of Fuel Pump (Cab/Chassis)
    GM19670Courtesy of GENERAL MOTORS CORP.
  4. Clean the fuel line connections and surrounding areas at the pump before disconnecting to avoid possible fuel system contamination.
  5. Disconnect the fuel lines from the pump.
    6. Fig 3: View Of Fuel Pump And Bracket
    GM19671Courtesy of GENERAL MOTORS CORP.
  6. Slide the pump out of the bracket.
  7. Cap the fuel lines.
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