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Home >> Pontiac >> 2010 >> Vibe GT, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 2.4L (Lax) - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Installation Procedure
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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 (1), 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 (3, 4, 5, 6) to the cylinder head.
  6. Install the 2 delivery pipe spacers (1, 2) 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 (2) together with the 4 fuel injectors (1), 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 (3).
    9. Fig 4: Locating Fuel Delivery Pipe Bolts
    GM2016897Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  9. Install the 2 bolts (1, 2) and tighten to 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 (3, 4, 5, 6).
  11. Install the 2 wire harness clamps (1, 2).
    12. Fig 6: Connecting Ventilation Hose To Ventilation Valve
    GM2016966Courtesy of GENERAL MOTORS CORP.
    NOTE: Make sure that the paint mark and hose clamp are at the correct angle when installing the hose.
  12. Connect the ventilation hose (1) 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 Engine Cover Replacement .
    19. WARNING: Refer to Battery Disconnect Warning .
  19. Connect the cable to the negative battery terminal.
  20. Inspect for a fuel leak.
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