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Home >> Chevrolet >> 2010 >> HHR SS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.0L - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Fuel Rail Fuel Pressure Sensor
    GM1829977Courtesy of GENERAL MOTORS CORP.
  1. If the fuel rail was replaced, Lubricate the threads and sealing cone of the NEW fuel rail with silicon free engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent.
    2. NOTE: Applying force to the plastic housing of the sensor will destroy the sensor. To tighten or loosen, only apply force to the attached hexagon.
  2. Lubricate the threads and sealing cone of the sensor with silicon free engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the fuel injection fuel rail fuel pressure sensor.

    Tighten:  Tighten the sensor to 33 N.m (25 lb ft).

  4. Install the fuel injector wiring harness.
    5. Fig 2: Fuel Rail Bolts
    GM1829953Courtesy of GENERAL MOTORS CORP.
  5. Place the fuel rail (2) into position.
  6. Install the fuel rail with injectors into the cylinder head evenly.
  7. Install the 2 outer fuel rail bolts (1) first hand tight, and then install the remaining 2 bolts, hand tight.
  8. Connect the fuel injector wiring harness electrical connectors to the fuel injectors.
    9. Fig 3: Fuel Rail Bolt Tightening Sequence
    GM1769965Courtesy of GENERAL MOTORS CORP.
  9. Tighten the fuel rail bolts in the sequence shown.

    Tighten: 

    • Tighten the bolts a first pass to 22 N.m (16 lb ft).
    • Tighten the bolts a final pass to 22 N.m (16 lb ft).

  10. Install the intermediate fuel pipe. Refer to Fuel Feed Intermediate Pipe Replacement .
    11. Fig 4: High Pressure Fuel Pump Connector & Clip
    GM1826282Courtesy of GENERAL MOTORS CORP.
  11. Connect the engine wiring harness electrical connector (1) to the high pressure fuel pump.
    12. Fig 5: Fuel Injector Insulator
    GM1769947Courtesy of GENERAL MOTORS CORP.
  12. Install the fuel injector insulator.
  13. Install the intake manifold. Refer to Intake Manifold Replacement .
    14. Fig 6: Fuel Injector Wiring Harness Electrical Connector
    GM1826857Courtesy of GENERAL MOTORS CORP.
  14. Connect the engine wiring harness electrical connector (1) to the fuel injector wiring harness electrical connector.
  15. Inspect for 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, with the engine OFF.
    4. Inspect for fuel leaks.
  16. Install the low side fuel pressure service port cap.
  17. Tighten the fuel fill cap.
  18. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
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