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Home >> Chevrolet >> 2021 >> Express 2500 LS, 6.6L Eng VIN 7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.6L (L8T) - Repair Instructions >> Repair Instructions >> Fuel Tank Fuel Pump Module Replacement (Chassis Cab Front Tank) >> Installation Procedure

Installation Procedure

  1. GM4850553Courtesy of GENERAL MOTORS COMPANY

    O-Ring (2) - Install New

  2. Fuel Tank Fuel Pump Module (1) - Install
  3. GM4850551Courtesy of GENERAL MOTORS COMPANY

    Fuel Sender Retainer (1) - Install - CH 45722  Fuel Sender Lock Ring Wrench

  4. GM4850550Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Hose (3) - Connect - Plastic Collar Quick Connect Fitting Service 

  5. Fuel Feed Pipe (2) - Connect - Plastic Collar Quick Connect Fitting Service 
  6. Electrical Connector (1) - Connect [2x]
  7. Fuel Tank - Install - Fuel Tank Replacement (Chassis Cab Front Tank) 
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