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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Controls And Fuel - 1.8L (LKN) - Repair Instructions) >> Repair Instructions >> Fuel Injection Pump Replacement >> Installation Procedure

Installation Procedure

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  1. GM4859599Courtesy of GENERAL MOTORS COMPANY

    Lubricate the NEW fuel injection pump housing seal (1) with clean engine oil and install it on the fuel injection pump. Adhesives, Fluids, Lubricants, and Sealers

  2. GM4859600Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • ALWAYS make sure the fuel injection pump bolt retainers are present before installing the fuel injection pump bolts.
    • If ANY fuel injection pump bolt retainers are missing or NOT suitable for reuse, replace the retainers as necessary.

    Install the fuel injection pump bolts (1) through the fuel injection pump bolt retainers (2).

  3. Before continuing, lubricate the cylinder head bore with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers
  4. GM4859601Courtesy of GENERAL MOTORS COMPANY

    Lubricate the fuel injection pump shaft lifter roller (1) with clean engine oil and install it into the cylinder head bore. Adhesives, Fluids, Lubricants, and Sealers

  5. Install the fuel injection pump assembly (2) into the cylinder head and start the fuel injection pump bolts (3) by hand.
  6. CAUTION:

    Refer to Fastener Caution .

    CAUTION:

    Alternately hand-tighten the fuel pump bolts one turn at a time until the pump is fully seated. Trying to draw down the pump without even side-to-side tightening may result in pump plunger damage.

  7. Tighten the fuel injection pump bolts (3) to 11 N.m (97 lb in).
  8. GM4859596Courtesy of GENERAL MOTORS COMPANY

    Connect the fuel feed front pipe (1) to the fuel injection pump. Fuel Feed Front Pipe Replacement 

  9. GM4859597Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    High pressure fuel feed pipes are one time use only. ALWAYS install a NEW high pressure fuel feed pipe if the pipe is removed OR the fittings are loosened.

    Install the NEW fuel injection fuel feed front pipe (1). Fuel Injection Fuel Feed Front Pipe Replacement 

  10. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (Without KL9) , or Battery Negative Cable Disconnection and Connection (With KL9)
  11. NOTE:

    The fuel injection pump electrical connector will have to be temporarily connected to perform the leak check. Afterwards, disconnect it to install the fuel injection pump sound insulator.

  12. Inspect for leaks using the following procedure:
    1. Turn ON the ignition with the engine OFF for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition with the engine OFF.
    4. Inspect for fuel leaks.
  13. GM4859594Courtesy of GENERAL MOTORS COMPANY

    Install the fuel injection pump sound insulator (1). Fuel Injection Pump Sound Insulator Replacement