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 MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 78 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSMUFFLER REPLACEMENT (2500)REMOVAL PROCEDURE

2009 Chevrolet Tahoe Base, 4.8 C

Removal Procedure

2009 Chevrolet Tahoe Base, 4.8 CSECTION Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Exhaust Muffler To Right Catalytic Converter Nuts & Exhaust Pipe Clamp

Courtesy of GENERAL MOTORS CORP.

Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the exhaust muffler to right catalytic converter nuts.
Loosen the exhaust pipe clamp at the left catalytic converter.

Fig 2: Locating Exhaust System Hangers & Insulators

Courtesy of GENERAL MOTORS CORP.

Lubricate the insulators where the muffler assembly hangers are inserted in order to ease in removal.
With the aid of an assistant, remove the insulators from the exhaust system hangers (4, 5, and 6).
Pull the muffler assembly rearward in order to separate the muffler from the catalytic converters. Once the muffler is separated from the converters, move and rotate the muffler towards the front of the vehicle, removing the muffler from the vehicle.

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.