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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 51 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 2.4L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL INJECTION FUEL RAIL ASSEMBLY REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet HHR LT, 2.4 P, Automatic

Removal Procedure

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Caps Or Plugs From Fuel Line And Fuel Rail
    GM1647977Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) or Fuel Pressure Relief (Without CH 48027) .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  3. Disconnect the fuel feed line quick connect fitting (4) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  4. Cap or plug the fuel line and the fuel rail to prevent contamination.
    5. Fig 2: Identifying Throttle Actuator Control (TAC) Electrical Connector
    GM1647528Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the engine harness electrical connector (2) from the fuel injector harness.
  6. Remove the fuel injector harness connector clip from the intake manifold.
  7. Disconnect the engine harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.
    8. Fig 3: View Of Fuel Rail
    GM1578472Courtesy of GENERAL MOTORS CORP.
  8. Remove the fuel rail bolts.
    9. IMPORTANT: Use care when removing the fuel rail assembly in order to prevent damage to the fuel injector electrical connector terminals and spray tips.
  9. Pull the fuel rail back and upward to remove the fuel injectors from the cylinder head ports.
  10. Remove the fuel rail.
  11. Remove the fuel injectors, if necessary. Refer to Fuel Injector Replacement .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.