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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1137 (Engine Controls And Fuel - 3.6L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Injector and Fuel Rail Replacement (LP1, LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install NEW fuel injector seals.
    2. Fig 1: Locating Fuel Injector
    GM1285197Courtesy of GENERAL MOTORS CORP.
  2. Install the fuel injector.
    3. Fig 2: Identifying Fuel Injector Retainer Clip
    GM1285199Courtesy of GENERAL MOTORS CORP.
  3. Install the fuel injector retainer clip.
    4. Fig 3: View Of 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: Identifying Fuel Rail Bolts
    GM1285194Courtesy of GENERAL MOTORS CORP.
  6. Install the fuel rail with the fuel injectors.
    7. NOTE: Refer to Fastener Notice .
  7. Install the fuel rail bolts.

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

    8. Fig 5: Top Of Engine View
    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: View Of Fuel Pipe Retainer
    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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