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Home >> Alfa Romeo >> 2021 >> Stelvio Ti >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (2.9L - Fuel System) >> Fuel Delivery >> Rail, Fuel >> Removal And Installation >> Left

Removal And Installation: Left

WARNING: This page is about a different variant/trim than selected.

REMOVAL 

NOTE:

If the fuel rail or the injectors are replaced, connect the diagnosis equipment to the vehicle diagnosis socket, go to "Powertrain Control Module (PCM)" in the "Miscellaneous Functions" menu and start the following procedures: fuel feed system component replacement; adaptive parameter reset.

  1. Disconnect and isolate the negative battery cable.
  2. Remove the left side high pressure fuel line. Refer to LINES, FUEL, REMOVAL AND INSTALLATION .
    GC0194367Courtesy of CHRYSLER GROUP, LLC
  3. Remove the fitting (1a) and move the low-pressure fuel piping (1b) aside.
    GC0194874Courtesy of CHRYSLER GROUP, LLC
  4. Detach the fuel pressure sensor wire harness connector (1).
  5. Remove the screw and remove the bracket with the connector (2).
    GC0080132Courtesy of CHRYSLER GROUP, LLC
  6. Remove the fuel pressure sensor (1).
    GC0194950Courtesy of CHRYSLER GROUP, LLC
  7. Disconnect the wire harness connections (1) for the injectors.
  8. Remove the screws (2a) and remove the left fuel rail (2b) with the injectors (2c).
    GC0194900Courtesy of CHRYSLER GROUP, LLC
  9. Remove the injectors (1) from the left fuel rail.
    NOTE:

    The O-rings (a) and injector seal (b) must be replaced once they have been removed. The O-rings and injector seals should never be reused.

INSTALLATION 

GC0195040Courtesy of CHRYSLER GROUP, LLC
  1. Install the NEW  O-rings on each injector. Refer to INJECTOR(S), FUEL, STANDARD PROCEDURE .
  2. Apply a small amount of engine oil to each fuel injector O-ring. This will help with the fuel injector and fuel rail installation.
  3. Place the fuel injectors in their housings on the left fuel rail, making sure that the fuel injector tooth fits properly in its housing on the fuel manifold pipe.
    GC0195416Courtesy of CHRYSLER GROUP, LLC
  4. Place the left fuel rail (1a) in its housing and tighten the screws (1b) in the following sequence:
    • Center 5 N.m (44 In lbs.) then 23 N.m (17 ft. lbs.)
    • Rear 5 N.m (44 In lbs.) then 23 N.m (17 ft. lbs.)
    • Front 5 N.m (44 In lbs.) then 23 N.m (17 ft. lbs.)
  5. Connect the wire harness connections (2) for the injectors.
    GC0193959Courtesy of CHRYSLER GROUP, LLC
  6. Place the fuel pressure sensor in position and tighten it to the proper torque specification. Refer to appropriate service information .
  7. Place the bracket with the connector in its housing and securely tighten the screw.
  8. Connect the wire harness connection for the fuel pressure sensor.
    GC0193228Courtesy of CHRYSLER GROUP, LLC
  9. Connect the low pressure fuel piping (1a) and tighten the fitting (1b) to the proper torque specification. Refer to appropriate service information .
  10. Install the left side high pressure fuel line. Refer to LINES, FUEL, REMOVAL AND INSTALLATION .
  11. Connect the negative battery cable.
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