Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 381 (ENGINE CONTROLS - 6.6L (LLY) (INTRODUCTION))REPAIR INSTRUCTIONSFUEL TANK REPLACEMENT (PICKUP)REMOVAL PROCEDURE
2006 Chevrolet Suburban K2500, 6.0 U
Removal Procedure
2006 Chevrolet Suburban K2500, 6.0 USECTION Removal Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Drain the fuel tank. Refer to Fuel Tank Draining ProcedureΒ .
- Remove the fuel tank filler housing to body screws (1), and retainer (2).
- Remove the fuel tank filler housing to fuel tank fill pipe screws.
- Remove the fuel tank filler housing.
- Remove the rear axle vent hose from the clip on the fuel fill pipe bracket.
- Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
- Remove the fuel tank ground strap bolt (1).
- Reposition the fuel tank ground strap (3).
- Loosen the fill pipe vent hose clamp (1) at the fuel tank.
- Remove the fill pipe vent hose from the fuel tank.
- Remove the fill pipe.
- Remove the fuel system cooler. Refer to Fuel System Cooler Replacement (Pickup)Β or Fuel System Cooler Replacement (Cab/Chassis)Β .
- If equipped, remove the fuel tank shield bolts.
- If equipped, remove the fuel tank shield.
- Disconnect the fuel feed and return lines. Refer to Quick Connect Fitting(s) Service (Metal Collar)Β .
- Cap the fuel lines in order to prevent possible fuel system contamination.
- Place a suitable adjustable jack under the fuel tank.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.