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Home › Cadillac › 2010 › STS 3.6 V, AWD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 3.6L - Repair Instructions › Repair Instructions › Fuel Injector and Fuel Rail Replacement › Installation Procedure

Installation Procedure

  1. Install NEW fuel injector seals.
    2. Fig 1: Fuel Injector
    GM1285197Courtesy of GENERAL MOTORS CORP.
  2. Install the fuel injector.
    3. Fig 2: Fuel Injector Retainer Clip
    GM1285199Courtesy of GENERAL MOTORS CORP.
  3. Install the fuel injector retainer clip.
    4. Fig 3: Fuel Injector Electrical Connector
    GM1285198Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel injector electrical connector.
  5. Engage the fuel injector electrical connector lock.
    6. Fig 4: Fuel Rail Bolts
    GM1285194Courtesy of GENERAL MOTORS CORP.
  6. Install the fuel rail with the fuel injectors.
    7. CAUTION: Refer to Fastener Caution .
  7. Install the fuel rail bolts.

    Tighten:  Tighten the fuel rail bolts to 10 N.m (89 lb in).

    8. Fig 5: EVAP Purge Line, Fuel Feed Pipe & Purge Valve Solenoid Purge Line
    GM1348201Courtesy of GENERAL MOTORS CORP.
  8. Connect the fuel feed pipe (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
    9. Fig 6: Fuel Pipe Retaining Clip
    GM1348198Courtesy of GENERAL MOTORS CORP.
  9. Install the fuel pipe retaining clip.
  10. Install the upper intake manifold. Refer to Upper Intake Manifold Replacement (LP1, LY7) .
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