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HOMESERVICE MANUALSCHEVROLET2007SUBURBAN C1500, 5.3 0REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 121 (ENGINE CONTROLS - REMOVAL & INSTALLATION - FLEX FUEL & GASOLINE)FUEL SYSTEMSFUEL LINE REPLACEMENT (PICKUP)REMOVAL PROCEDURE
2007 Chevrolet Suburban C1500, 5.3 0

Removal Procedure

2007 Chevrolet Suburban C1500, 5.3 0SECTION Removal Procedure
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Clean all fuel pipe connections and surrounding areas before disconnecting the pipes in order to avoid possible fuel system contamination.
    Fig 1: Fuel Feed And Return Pipes, Nuts and (EVAP) Canister Purge Tube
    G00576089Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to FUEL SYSTEM PRESSURE RELEASE .
  2. Disconnect the fuel feed and return pipes (1) at the fuel rail. Refer to REMOVAL & Installation (Metal Collar) .
  3. Disconnect the evaporative emission (EVAP) canister purge tube (3).
  4. Cap the fuel rail and EVAP pipes.
  5. Raise and suitably support the vehicle.
  6. Remove the fuel pipe bracket nut (2).
  7. Remove the fuel pipe bracket from the bellhousing stud.
  8. Remove the heated oxygen sensor (HO2S) sensor connector from the bracket.
    9. Fig 2: Fuel Hose/Pipe Clip
    G00576090Courtesy of GENERAL MOTORS CORP.
  9. Remove the fuel hose/pipe clip from the bracket on the automatic transmission.
  10. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.
  11. Remove the clip from the bracket on the frame.
  12. Remove the transfer case harness from the clip bracket.
  13. Remove the EVAP canister. Refer to EVAP CANISTER .
    14. Fig 3: Electro-Hydraulic Control Unit (EHCU)
    G00576091Courtesy of GENERAL MOTORS CORP.
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.