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.
Installation Procedure
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
- Remove the cap from the open end of the front fuel tank.
- Install the fuel fill hose/pipe assembly.
- Install the fill hose to the front tank.
- Connect the fuel fill hose vent line quick connect fitting to the tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar)
.NOTE: Refer to Fastener Notice in Cautions and Notices.
- Tighten the fuel tank fill hose clamp at the front tank.
Tighten: Tighten the clamp to 2.5 N.m (22 lb in).
- Install the rear axle vent hose to the retaining clip and close the clip.
- Position the ground wire and fill pipe ground strap.
- Install the ground wire harness bolt.
Tighten: Tighten the bolt to 9 N.m (80 lb in).
- Install the rear fuel tank. Refer to Fuel Tank Replacement (Front Tank) or Fuel Tank Replacement (Rear Tank) .
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:
- • 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.