LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2002 >> Aztek AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1617 (Engine Controls And Fuel - 3.5L - Introduction) >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Installation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.
CAUTION:
  • Use care when servicing the fuel system components, especially the fuel injector electrical connectors, the fuel injector tips, and the injector O-rings. Plug the inlet and the outlet ports of the fuel rail in order to prevent contamination.
  • Do not use compressed air to clean the fuel rail assembly as this may damage the fuel rail components.
  • Do not immerse the fuel rail assembly in a solvent bath in order to prevent damage to the fuel rail assembly.
    Fig 1: Identifying Fuel Rail
    GM1557674Courtesy of GENERAL MOTORS CORP.
  1. Install NEW fuel injector O-ring seals onto the spray tip end of each injector, if the fuel rail was removed for other purposes.
  2. Install the fuel rail (1).
    3. CAUTION: Refer to Fastener Caution .
  3. Install the fuel rail bolts.

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

    4. Fig 2: Identifying Fuel Injector Wiring Harness Connector Bracket Bolt
    GM1775161Courtesy of GENERAL MOTORS CORP.
  4. Align the bracket pin to the hole in the lower intake manifold.
  5. Install the fuel injector wiring harness electrical connector bracket bolt to the intake manifold.

    Tighten:  Tighten the bolt to 14 N.m (10 lb ft).

    6. Fig 3: View Of Fuel Injector Wiring Harness Electrical Connector
    GM1775160Courtesy of GENERAL MOTORS CORP.
  6. Connect the fuel injector wiring harness electrical connector to the CMP sensor.
    7. Fig 4: View Of Upper Intake Manifold
    GM1775159Courtesy of GENERAL MOTORS CORP.
  7. Connect the fuel injector wiring harness electrical connector to the ECT sensor.
  8. Install the upper intake manifold. Refer to Upper Intake Manifold Replacement .
    9. Fig 5: Chassis Fuel Feed Line Quick Connect Fitting
    GM1885563Courtesy of GENERAL MOTORS CORP.
  9. Connect the chassis fuel feed line quick connect fitting (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  11. Inspect for leaks.
    1. Turn ON the ignition, with the engine OFF for 10 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition for 10 seconds.
    4. Inspect for fuel leaks.
scientia non olet · About LEMON Manuals