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Home >> Saturn >> 2010 >> Sky Red Line, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.0L - Repair Instructions >> Repair Instructions >> Direct Fuel Injector Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying Fuel Rail Bolt Tightening Sequence
    GM1769965Courtesy of GENERAL MOTORS CORP.
  1. Install the 2 outer fuel rail bolts (1) first, hand tight and install the remaining 2 bolts, hand tight.
  2. Connect the fuel injector wiring harness electrical connectors to the fuel injectors.
    3. CAUTION: Refer to Fastener Caution .
  3. Tighten the fuel rail bolts in the sequence shown.
    1. Tighten the bolts a first pass to 22 N.m (16 lb ft).
    2. Tighten the bolts a final pass to 22 N.m (16 lb ft).
    4. Fig 2: View Of High Pressure Fuel Pipe
    GM1828941Courtesy of GENERAL MOTORS CORP.
  4. Ensure that the high pressure fuel pump, and fuel rail fittings are clean prior to assembly.
  5. Lubricate the high pressure fuel pump, and the fuel rail fittings with silicon free engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent.
  6. Install the NEW high pressure fuel pipe.
  7. Tighten the NEW high pressure fuel pipe fitting to the fuel rail hand tight.
  8. Tighten the NEW high pressure fuel pipe fitting to the fuel pump hand tight to 32 N.m (24 lb ft).
    9. Fig 3: View Of High Pressure Fuel Pump Insulator
    GM1829002Courtesy of GENERAL MOTORS CORP.
  9. Install the high pressure fuel pump insulator.
    10. Fig 4: View Of High Pressure Fuel Pump Cover & Bolts
    GM1826280Courtesy of GENERAL MOTORS CORP.
  10. Install the high pressure fuel pump cover.
  11. Install the high pressure fuel pump cover bolts and tighten to 10 N.m (89 lb in).
    12. Fig 5: Identifying High Pressure Fuel Pump Connector & Clip
    GM1826282Courtesy of GENERAL MOTORS CORP.
  12. Connect the engine wiring harness electrical connector (1) to the high pressure fuel pump.
  13. Install the engine wiring harness clip (3) to the high pressure fuel pump cover.
    14. Fig 6: View Of Fuel Injector Insulator
    GM1769947Courtesy of GENERAL MOTORS CORP.
  14. Install the fuel injector insulator.
    15. Fig 7: Identifying Fuel Injector Wiring Harness Electrical Connector
    GM1826857Courtesy of GENERAL MOTORS CORP.
  15. Connect the engine wiring harness electrical connector (1) to the fuel injector wiring harness electrical connector.
  16. 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.
  17. Install the low side fuel pressure service port cap.
  18. Tighten the fuel fill cap.
  19. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
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