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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1696 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL LINE REPLACEMENT - CHASSIS (REGULAR CAB)INSTALLATION PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: EVAP Lines
    GM1855296Courtesy of GENERAL MOTORS CORP.
  1. Position and install the fuel/EVAP line assembly to the vehicle.
  2. Clip the line assembly to the frame.
  3. Tighten the BPMV bolts.
  4. Install the fuel/EVAP line bracket locator tab to the frame.
  5. Install the fuel/EVAP line clips to the frame and crossmember.
  6. Clip the inline electrical connector to the bracket.
    7. CAUTION: Refer to Fastener Caution .
  7. Install the fuel/EVAP line bracket bolt (1).

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

  8. Install the fuel/EVAP line clip nut (2).

    Tighten:  Tighten the nut to 20 N.m (15 lb ft).

  9. Remove the caps from the fuel and EVAP lines.
  10. Connect the fuel tank EVAP line quick connect fitting to the chassis line. Refer to Plastic Collar Quick Connect Fitting Service .
  11. Connect the fuel tank fuel feed line quick connect fitting to the chassis line. Refer to Plastic Collar Quick Connect Fitting Service .
    12. Fig 2: EVAP Canister Vent Solenoid Clip & EVAP Canister Vent Solenoid Pipe Clip
    GM1855649Courtesy of GENERAL MOTORS CORP.
  12. Unsecure and position the EVAP canister vent solenoid clip (1) to the chassis EVAP line.
  13. Install the EVAP canister vent solenoid pipe clip (2) to the chassis EVAP line.
    14. Fig 3: Fuel Hose/Pipe Clip At Bracket On Automatic Transmission
    GM1855293Courtesy of GENERAL MOTORS CORP.
  14. If equipped with 4WD, install the fuel hose/pipe clip to the bracket on the transfer case.
  15. Install the fuel line clip (1) to the bracket on the automatic transmission.
    16. Fig 4: View Of Fuel/Evaporative Emission Pipe & Bracket
    GM1701047Courtesy of GENERAL MOTORS CORP.
  16. Install the fuel pipe bracket nut to the bellhousing stud.

    Tighten:  Tighten the nut to 25 N.m (18 lb ft).

  17. Position and install the front propeller shaft, if required. Refer to Front Propeller Shaft Replacement .
  18. Lower the vehicle.
    19. Fig 5: View Of Fuel Feed Pipe
    GM1876017Courtesy of GENERAL MOTORS CORP.
  19. Remove the caps from the fuel rail and EVAP line.
  20. Connect the EVAP line quick connect fitting (2) to the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service .
  21. Connect the fuel feed line (1) quick connect fitting to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  22. Install the fuel fill cap.
  23. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) or Battery Negative Cable Disconnection and Connection (Dual Batteries) or Battery Negative Cable Disconnection and Connection (Auxiliary Battery) .
  24. Use the following procedure in order to inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
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.