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Home >> Chevrolet >> 2006 >> Malibu LS, 2.2 F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.2L (L61) - Introduction (2 Of 2) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Installation Procedure

Installation Procedure

  1. Install the fuel injectors. Refer to FUEL INJECTOR REPLACEMENT .
    Fig 1: View Of Fuel Rail Assembly
    GM746065Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Install new lower O-rings when reusing fuel injectors. Lubricate the injector tip O-rings prior to installing the injectors into the intake manifold.
  2. Install the fuel rail using the following procedure:
    1. With the fuel injectors positioned downward, lower the fuel injectors into the cylinder head ports.
    2. Align the injectors by rotating the fuel rail forward.
    3. Carefully push the fuel injectors into the cylinder head ports.
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the fuel rail attaching studs.

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

  4. Connect the fuel injector harness connectors. Pull back to insure the connectors are locked in place.
  5. Install the fuel supply and return pipes. Refer to FUEL HOSE/PIPES REPLACEMENT - ENGINE COMPARTMENT .
  6. Connect the vacuum pipe to the fuel pressure regulator.
  7. Install the air cleaner outlet resonator. Refer to AIR CLEANER OUTLET RESONATOR REPLACEMENT .
  8. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .
  9. 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.
    4. Inspect for fuel leaks.
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