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 Buick Terraza CXL, 3.5 L, AWDSECTION Installation Procedure
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Install the insulator pads to the fuel tank.
- Install the EVAP canister to the fuel tank.
- Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
- Do not attempt to repair sections of nylon pipes. Replace damaged nylon pipes.
- Replace the vapor pipes with original equipment or parts that meet GM specifications.
- Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the word Fluoroelastomer or GM 6163M on the hose.
- Install the fuel feed, the fuel return and the EVAP pipe assemblies and the insulator clips.
- Install the fuel tank to a suitable jack.
- Raise the fuel tank (1) to the original position.
- Install the fuel tank retaining strap bolts (2).
Tighten: Tighten the bolts to 48 N.m (35 lb ft).
- Remove the jack from the fuel tank.
- Position the fuel tank shield (3) to the fuel tank (1).
- Install the push pins (2).
- Install the 2 parts of the EVAP fresh air hose at the splice.
- Connect the EVAP pipe, the fuel feed and the fuel return pipes at the front of the fuel tank. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
- Install the fuel tank filler hose to the fuel tank.
- Fully seat the filler hose (4) on the fuel tank port (2).
- Ensure that the fuel tank filler pipe hose clamp (1) is properly located on the tank port between the bead (5) and the tank (3).
Tighten: Tighten the hose clamp to 2.5 N.m (22 lb in).
- Raise the exhaust system to the original position.
- Install the exhaust system to the exhaust pipe hangers.
- Lower the vehicle.
- Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
- Add fuel and install the fuel fill cap.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (L26) or Battery Negative Cable Disconnect/Connect Procedure (LY7) in Engine Electrical.
- Inspect the fuel system for leaks by performing the following steps:
- Turn ON the ignition for 2 seconds.
- Turn OFF the ignition for 10 seconds.
- Turn ON the ignition.
- Inspect for fuel leaks.
- Install fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
NOTE:
NOTE:
Refer to Fastener Notice
in Cautions and Notices.
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.