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 378 (ENGINE CONTROLS - 8.1L (INTRODUCTION))REPAIR INSTRUCTIONSFILLER TUBE REPLACEMENT (PICKUP)INSTALLATION PROCEDURE
2006 Chevrolet Suburban K2500, 6.0 U
Installation Procedure
2006 Chevrolet Suburban K2500, 6.0 USECTION Installation 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.
- Remove the cap from the opening on the fuel tank.
- Install the fuel tank fill pipe.
- Connect the recirculation line to the sending unit. Refer to Quick Connect Fitting(s) Service (Plastic Collar)
.NOTE: Refer to Fastener Notice in Cautions and Notices.
- Tighten the fuel tank fill pipe clamp (1) at the fuel tank.
Tighten:Β Tighten the clamp to 2.5 N.m (22 lb in).
- Install the rear axle vent hose to the clip on the fuel fill pipe bracket.
- Position the fuel tank fill pipe ground wire and chassis harness ground wire (2).
- Install the fuel tank fill pipe ground wire (3) anti-rotation tab into the frame hole.
- Install the fuel tank fill pipe ground wire bolt (1).
Tighten:Β Tighten the bolt to 9 N.m (80 lb in).
- Lower the vehicle.
- Install the fuel tank filler housing.
- Install the fuel tank filler housing to fuel tank fill pipe screws.
Tighten:Β Tighten the screws to 2.3 N.m (20 lb in).
- Install the fuel tank filler housing to body screws (1) and retainer (2).
Tighten:Β Tighten the screws to 2.3 N.m (20 lb in).
RENDER: 1.0x
NO RELATED
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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.