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 MANUALSBUICK2005LESABRE LIMITED, 4T65E/M15REPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - INTRODUCTIONREPAIR INSTRUCTIONSFUEL TANK REPLACEMENTASSEMBLE PROCEDURE

2005 Buick LeSabre Limited, 4T65E/M15

Assemble Procedure

2005 Buick LeSabre Limited, 4T65E/M15SECTION Assemble Procedure

Fig 1: Identifying fuel Filler Neck

Courtesy of GENERAL MOTORS CORP.

Install the fuel filler hose to the fuel tank (3). Align the dot on the hose to the parting line on the fuel tank.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the fuel filler hose clamp (2).
Tighten: Tighten the clamp to 3.5 N.m (31 lb in).

Fig 2: Identifying Fuel Tank And Components

Courtesy of GENERAL MOTORS CORP.

Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement .
Install the fuel pipes (2, 3) and the EVAP pipe (1).

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.