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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 276 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - HYBRID (LZ1) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL LINE REPLACEMENT - CHASSISREMOVAL PROCEDURE
2009 Chevrolet Tahoe Base, 4.8 C

Removal Procedure

2009 Chevrolet Tahoe Base, 4.8 CSECTION Removal Procedure
WARNING: This page is about a different car, the 2010 GMC Yukon, 2010 Chevrolet Tahoe, and 2010 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Clean all fuel and evaporative emission (EVAP) lines connections and surrounding areas prior to disconnecting the lines in order to avoid possible fuel and/or EVAP system contamination.
    Fig 1: View Of EVAP Canister Purge Tube & Quick Connect Fitting
    GM1696917Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief (Without CH 48027) .
  3. Disconnect the engine evaporative emission (EVAP) line (1) quick connect fitting from the chassis EVAP line. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Disconnect the fuel feed line quick connect fitting (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  5. Cap the fuel rail and EVAP pipes.
  6. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Remove the transfer case. Refer to Transfer Case Assembly Replacement or Transfer Case Assembly Replacement .
    8. Fig 2: View Of Chassis Wiring Harness Electrical Connector, Fuel Pressure Sensor, Fuel Pipe Bracket & Wiring Harness Clip
    GM1964193Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the chassis wiring harness electrical connector (1) from the fuel pressure sensor (2).
  9. Remove the engine wiring harness clip (4) from the fuel pipe bracket (3).
    10. Fig 3: View Of Fuel/Evaporative Emission Pipe & Bracket
    GM1701047Courtesy of GENERAL MOTORS CORP.
  10. Remove the transmission and the fuel pipe bracket nut from the bellhousing stud.
    11. Fig 4: View Of Fuel Line Clip At Bracket
    GM1549616Courtesy of GENERAL MOTORS CORP.
  11. Remove the fuel line clip from the bracket on the automatic transmission.
  12. If equipped with 4-wheel drive (4WD), remove the fuel hose/pipe clip from the bracket on the transfer case.
  13. Disconnect the range selector cable from the transmission range selector lever. Refer to Range Selector Lever Cable Replacement .
  14. Remove the hybrid brake pressure modulator valve. Refer to Brake Pressure Modulator Valve Replacement .
    15. Fig 5: View Of EVAP Lines, Fuel Feed Lines & Fittings
    GM1704490Courtesy of GENERAL MOTORS CORP.
  15. Remove the fuel line bracket bolt (3).
  16. Disconnect the chassis EVAP line quick connect fitting (4) from the fuel tank line. Refer to Plastic Collar Quick Connect Fitting Service .
  17. Disconnect the fuel tank fuel feed line quick connect fitting (5) from the chassis line. Refer to Plastic Collar Quick Connect Fitting Service .
  18. Cap the fuel and EVAP lines in order to prevent possible fuel and/or EVAP system contamination.
  19. Remove the fuel/EVAP line clips from the frame and crossmember.
  20. Remove the fuel line bracket locator tab from the frame.
  21. Remove the fuel/EVAP lines from the vehicle.
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.