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Home >> Chevrolet >> 2006 >> HHR LT, 2.4 P, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.4L - Introduction (2 Of 2) >> Repair Instructions >> Fuel Rail Assembly Replacement >> Installation Procedure

Installation Procedure

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.
    Fig 1: Fuel Rail Studs
    GM1578472Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel injectors, if necessary. Refer to Fuel Injector Replacement .
  2. With the fuel injectors positioned downward, lower the fuel injectors into the cylinder head ports.
  3. Carefully push the fuel injectors into the cylinder head ports.
    4. NOTE: Refer to Fastener Notice .
  4. Install the fuel rail bolts.

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

    5. Fig 2: Fuel Injector Harness Electrical Connector
    GM1623764Courtesy of GENERAL MOTORS CORP.
  5. Connect the fuel injector harness electrical connector (3).
    6. Fig 3: Fuel Injector Harness Electrical Connector Clip
    GM1623549Courtesy of GENERAL MOTORS CORP.
  6. Install the fuel injector harness electrical connector clip (4) to the intake manifold.
    7. Fig 4: Fuel Feed Line
    GM1625417Courtesy of GENERAL MOTORS CORP.
  7. Connect the fuel feed line quick connect fitting to the fuel rail. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure .
  10. 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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