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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1966 (Engine Controls And Fuel - 3.6L (LCS) - Introduction) >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement - Bank 2 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Installing Rebuilt Direct Fuel Injectors
    GM1977754Courtesy of GENERAL MOTORS CORP.
  1. Install the rebuilt direct fuel injectors (1) to the cylinder heads. Refer to Fuel Injector Replacement .
  2. Install new direct injector hold down clamps to the injectors.
    3. Fig 2: Identifying Fuel Rail Bolts
    GM1977744Courtesy of GENERAL MOTORS CORP.
  3. On the new fuel rail, lubricate the fuel injector cups with silicon free engine oil GM P/N 12345610 (Canadian P/N 9931930) or equivalent.
  4. Carefully place the fuel rail (2) into position, placing the front into the fuel rail over the front injector and rotating the rear downward.
  5. Install the 2 outer fuel rail bolts first, then the 2 inner bolts and hand tighten.
    6. Fig 3: View Of Fuel Rail Bolts Tightening Sequence
    GM1977774Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  6. Tighten the fuel rail bolts in the sequence shown:
    1. Tighten the Bank 1 fuel rail bolts first pass to 12 N.m (106 lb in).
    2. Tighten the Bank 1 fuel rail bolts a final pass to 23 N.m (17 lb ft).
  7. Install a NEW fuel rail crossover tube. Refer to Fuel Injection Fuel Rail Crossover Tube Replacement .
    8. Fig 4: Removing/Installing Fuel Pressure Sensor From Fuel Injection Fuel Rail
    GM1977753Courtesy of GENERAL MOTORS CORP.
    CAUTION: Note the correct routing of the electrical wiring. Failure to reinstall the wiring properly could result in damage to the wiring.
  8. Install the high pressure fuel sensor. Refer to Fuel Pressure Sensor Replacement .
  9. Connect the fuel injector wiring harness electrical connector (1) from the fuel injectors, fuel rail and fuel pressure sensor.
  10. Inspect for fuel 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.
  11. Install the fuel pipe shield. Refer to Fuel Pipe Shield Replacement .
  12. Install the low side fuel pressure service port cap.
  13. Install the drive motor generator power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation .
  14. Install the fuel tank cap.
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