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Home >> Pontiac >> 2006 >> Vibe GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 1.8L (LNK) - Introduction (2 Of 2) >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedures

Installation Procedures

    Fig 1: Fuel Injectors, New Grommets And O-Rings
    GM828884Courtesy of GENERAL MOTORS CORP.
  1. Install new O-rings (3) and new grommets (2) on the fuel injectors (1).
  2. Apply clean engine oil to the O-rings (3) and to the grommets (2).
  3. Install the fuel injectors (1) into the fuel rail.
    4. Fig 2: Fuel Rail, Spacers And Fastener
    GM828881Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel rail (3) and the spacers (2) onto the engine.
    5. NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  5. Secure the fuel rail to the engine with the 2 fasteners (4).

    Tighten:  Tighten the fasteners to 29 N.m (21 lb ft).

  6. Install the fastener (1) to the fuel supply pipe bracket.

    Tighten:  Tighten the fastener to 9 N.m (80 lb in).

  7. Connect the electrical connectors to the four fuel injectors.
  8. Install the bolt to the ignition coil wire harness bracket.

    Tighten:  Tighten the fastener to 10 N.m (89 lb in).

    9. Fig 3: PCV Hose, Breather Hose, EVAP Hose
    GM850214Courtesy of GENERAL MOTORS CORP.
  9. Connect the EVAP hose (3).
  10. Connect the PCV breather hose (2).
  11. Connect the PCV hose (1) to the PCV valve.
    12. Fig 4: Connecting Quick-Connect Fitting
    GM624247Courtesy of GENERAL MOTORS CORP.
  12. Connect the quick-connect fitting (1) for the fuel feed hose to the fuel feed pipe (2) of the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  13. Install the quick connect coupling cover.
  14. Connect the negative battery cable.

    Tighten:  Tighten the retainer for the negative battery cable terminal to 15 N.m (11 lb ft).

  15. Turn ON the ignition in order to pressurize the fuel system.
  16. Turn OFF the ignition.
  17. Inspect for fuel leaks.
  18. Repair any fuel leaks as necessary.
    19. Fig 5: View Of Engine Upper Cover
    GM828878Courtesy of GENERAL MOTORS CORP.
  19. Install the engine cover (1) to the engine.
  20. Secure the engine cover (1) with the four fasteners.

    Tighten:  Tighten the fasteners to 7 N.m (62 lb in).

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