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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 911 (ENGINE MECHANICAL - 6.6L - UNIT REPAIR OVERHAUL)REPAIR INSTRUCTIONS - OFF VEHICLEFUEL INJECTION CONTROL MODULE HARNESS ASSEMBLY INSTALLATION
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Fuel Injection Control Module Harness Assembly Installation

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Fuel Injection Control Module Harness Assembly Installation
WARNING: This page is about a different car, the 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, 2001 Chevrolet Silverado, and 2001 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Main Engine Harness Connector Bracket
    GM660434Courtesy of GENERAL MOTORS COMPANY
  1. Install the main engine harness connector bracket.
  2. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the main engine harness connector bracket bolts.

    Tighten 

    Tighten the bracket bolts to 21 N.m (15 lb ft).

    3. Fig 2: View Of Fuel Injection Control Module Harness Assembly
    GM755210Courtesy of GENERAL MOTORS COMPANY
  3. Install the fuel injection control module harness assembly.
  4. Connect the 3 fuel injector control module harness to glow plug controller connectors.
    5. Fig 3: View Of Fuel Temperature Sensor Connector
    GM755205Courtesy of GENERAL MOTORS COMPANY
  5. Connect the fuel temperature sensor connector.
    6. Fig 4: View Of Fuel injection Control Module Harness To Oil Level Sensor Harness Connector
    GM755200Courtesy of GENERAL MOTORS COMPANY
  6. Connect the barometric pressure sensor connector.
  7. Connect the fuel injection control module harness to the oil level sensor harness connector.
  8. Connect the fuel rail pressure regulator valve connector.
  9. Connect the fuel rail pressure sensor.
  10. Connect the fuel filter assembly connectors.
    11. Fig 5: View Of Water Outlet Pipe
    GM755196Courtesy of GENERAL MOTORS COMPANY
  11. Install a new O-ring to the water outlet and lubricate with engine coolant.
  12. Install the water outlet.
  13. Install the water outlet bolts.

    Tighten 

    Tighten the water outlet bolts to 24 N.m (17 lb ft).

    14. Fig 6: View Of Turbocharger Coolant Inlet Hose
    GM761227Courtesy of GENERAL MOTORS COMPANY
  14. Install the turbocharger coolant inlet hose to the turbocharger.
    15. Fig 7: View Of Engine-To-Chassis Harness Connector & Bracket Bolts
    GM674680Courtesy of GENERAL MOTORS COMPANY
  15. Install the main engine harness connectors.
  16. Install the main engine harness connector hold down bolts (1, 2).

    Tighten 

    Tighten the main engine harness connector hold down bolts to 10 N.m (89 lb in).

    17. Fig 8: View Of Engine Block Ground Bolts (Right Front Of Engine)
    GM761235Courtesy of GENERAL MOTORS COMPANY
  17. Install the two engine block ground bolts to the right front side of the engine.

    Tighten 

    Tighten the engine block ground bolts to 34 N.m (25 lb ft).

    18. Fig 9: View Of Crankshaft Position Sensor Connector
    GM755194Courtesy of GENERAL MOTORS COMPANY
  18. Connect the crankshaft position sensor connector.
    19. Fig 10: View Of Engine Coolant Temperature Sensor Connector
    GM755191Courtesy of GENERAL MOTORS COMPANY
  19. Connect the engine coolant temperature sensor connector.
  20. Connect the fuel injection control module connectors.
    21. Fig 11: View Of Turbocharger Boost Sensor Connector
    GM755187Courtesy of GENERAL MOTORS COMPANY
  21. Connect the turbocharger boost sensor connector.
  22. Connect the four injector harness connectors.
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.