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HOMESERVICE MANUALSCHEVROLET2008HHR LS, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (ENGINE CONTROLS AND FUEL - 2.0L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL FEED INTERMEDIATE PIPE REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet HHR LS, Automatic

Installation Procedure

2008 Chevrolet HHR LS, AutomaticSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Fuel Feed Intermediate Pipe Fittings
    GM2033614Courtesy of GENERAL MOTORS CORP.
  1. Ensure that the high pressure fuel pump, and fuel rail fittings are clean prior to assembly.
  2. Install the NEW fuel feed intermediate pipe and start the fittings hand tight.
  3. Tighten the fuel feed intermediate pipe fittings at the fuel pump (1) and the fuel rail (2).
    4. NOTE: Refer to Fastener Notice .
  4. Tighten:  Tighten the fittings to 32 N.m (24 lb ft).
    5. Fig 2: View Of High Pressure Fuel Pump Insulator
    GM2033606Courtesy of GENERAL MOTORS CORP.
  5. Install the high pressure fuel pump insulator (1).
    6. Fig 3: View Of High Pressure Fuel Pump Cover & Bolts
    GM2033594Courtesy of GENERAL MOTORS CORP.
  6. Install the high pressure fuel pump cover bolts (1) and cover (2).

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

    7. Fig 4: Identifying High Pressure Fuel Pump Electrical Harness & Connector
    GM2033586Courtesy of GENERAL MOTORS CORP.
  7. Install the evaporative emission retaining clip (1) to the high pressure fuel pump cover.
  8. Install the engine wiring harness clip (3) to the high pressure fuel pump cover.
  9. Connect the high pressure fuel pump electrical connector (2).
  10. Install the engine wiring harness clip (3) to the high pressure fuel pump cover and reposition the engine wire harness.
  11. 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.
  12. Install the low side fuel pressure service port cap.
  13. Tighten the fuel fill cap.
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.