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Home >> Pontiac >> 2009 >> Vibe GT, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 2.4L (Lax) - Introduction >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Locating Fuel Injector O-Rings
    GM2016936Courtesy of GENERAL MOTORS CORP.
  1. Apply a light coat of oil to new O-rings, then install one onto each fuel injector.
  2. Apply a light coat of oil to the part of the fuel delivery pipe which comes into contact with the O-ring of the fuel injector.
  3. Apply a light coat of oil to the O-ring again, then install the right and left fuel injectors onto the fuel delivery pipe.
  4. Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
    5. Fig 2: Identifying Cylinder Head Delivery Pipe Spacers & Insulators
    GM2016898Courtesy of GENERAL MOTORS CORP.
  5. Install 4 new insulators to the cylinder head.
  6. Install the 2 delivery pipe spacers onto the cylinder head.
    7. Fig 3: Installing Fuel Delivery Pipe, Fuel Injectors, & Bolts
    GM2016955Courtesy of GENERAL MOTORS CORP.
  7. Install the fuel delivery pipe together with the 4 fuel injectors, then hand tighten the 2 bolts.
  8. Check that the fuel injector rotates smoothly. If the fuel injector does not rotate, replace the O-ring.
    9. Fig 4: Locating Fuel Delivery Pipe Bolts
    GM2016897Courtesy of GENERAL MOTORS CORP.
  9. Tighten the 2 bolts to the specified torque.

    Tighten:  20 N.m (15 lb ft)

    10. Fig 5: Identifying Wire Harness Clamps & Fuel Injector Connectors
    GM2016887Courtesy of GENERAL MOTORS CORP.
  10. Connect the 4 fuel injector connectors.
  11. Install the 2 wire harness clamps.
    12. Fig 6: Connecting No. 2 Ventilation Hose To Ventilation Valve
    GM2016966Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Make sure that the paint mark and hose clamp are at the correct angle when installing the hose.
  12. Connect the no. 2 ventilation hose to the ventilation valve.
  13. Connect the fuel main tube.
  14. Push the fuel tube connector until it makes a "click" sound.
  15. Install the fuel pipe clamp.
  16. Install the fuel tube to the fuel hose clamp.
  17. Install the air cleaner assembly. Refer to Air Cleaner Element Replacement .
  18. Install the engine cover sub-assembly. Refer to Fastener Caution .
    19. CAUTION: Refer to Battery Disconnect Warning
  19. Connect the cable to the negative battery terminal.
  20. Inspect for a fuel leak.
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