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 INSTRUCTIONSAIR CLEANER INTAKE DUCT REPLACEMENTINSTALLATION PROCEDURE

2005 Buick LeSabre Limited, 4T65E/M15

Installation Procedure

2005 Buick LeSabre Limited, 4T65E/M15SECTION Installation Procedure

Fig 1: Removing/Installation Intake Air Duct

Courtesy of GENERAL MOTORS CORP.

Install the intake duct on the throttle body.
Rotate the intake duct down and install the intake air duct onto the air cleaner.
Tighten: Tighten the intake duct clamp to 2 N.m (18 lb in).

Fig 2: View of Intake Air Temperature Sensor and Electrical Sensors

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connector (2) to the intake air temperature (IAT) sensor (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.