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Home >> Chevrolet >> 2016 >> Malibu LS >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 1.5L (LFV) - Repair Instructions >> Repair Instructions >> Fuel Injection Pump Replacement >> Removal Procedure

Removal Procedure

  1. Disconnect Battery Negative Cable Disconnection and Connection (with KL9)Battery Negative Cable Disconnection and Connection (without KL9) .
  2. Relieve the fuel system pressure Fuel Pressure Relief .
  3. Remove Fuel Feed Intermediate Pipe Replacement .
  4. Disconnect Charge Air Cooler Outlet Air Hose at Throttle Body - Reposition away Refer to: Charge Air Cooler Outlet Air Tube Replacement .
  5. Fig 1: Fuel Feed Front Pipe
    GM3824663Courtesy of GENERAL MOTORS COMPANY
  6. Disconnect Fuel Feed Front Pipe (1) Refer to: Plastic Collar Quick Connect Fitting Service .
  7. Remove the 2 engine control module and engine wiring harness bracket bolts (2).
  8. Hang the engine control module and engine wiring harness bracket (3) aside.
  9. Fig 2: Fuel Pump Insulator
    GM3824664Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect the electrical connector (2)
  11. Remove Fuel Pump Insulator (3) at Fuel Injection Pump (1)
  12. Fig 3: Fuel Injection Pump Bolt
    GM3824668Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Alternately loosen the fuel pump bolts one turn at a time until the pump is fully disengaged from fuel pump lifter follower. Trying to remove the pump bolts without even side-to-side loosening may result in pump plunger damage

  13. Loosen the 2 fuel injection pump bolts (4) alternating in steps of 1/2 turn.
  14. Remove Fuel Injection Pump Bolt (4) (Qty: 2)
  15. NOTE:

    Take care that during removal of the fuel injection pump the valve lifter follower (1) does not fall apart.

  16. Remove Fuel Injection Pump (3)
  17. Remove the valve lifter follower (1)
  18. Remove Fuel Injection Pump Gasket (2) and DISCARD.