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 MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 126 (ENGINE EXHAUST SYSTEM)
2008 Pontiac Grand Prix Base
Section 126 (Engine Exhaust System)
2008 Pontiac Grand Prix BaseSECTION Section 126 (Engine Exhaust System)
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Diagnostic Information and Procedures
- Repair Instructions
- Exhaust Manifold Replacement - Left Side (3.8L)
- Exhaust Manifold Replacement - Left Side (3.6L)
- Exhaust Manifold Replacement - Right Side (3.8L)
- Exhaust Manifold Replacement - Right Side (3.6L)
- Exhaust Crossover Pipe Replacement (3.8L)
- Exhaust Crossover Pipe Replacement (3.6L)
- Exhaust Seal Replacement (3.8L)
- Catalytic Converter Replacement
- Exhaust System Insulator, Hanger, Bracket Replacement
- Exhaust Hanger Mounting Bracket Replacement
- Muffler Replacement (3.6L LY7)
- Muffler Replacement (3.8L L26)
- Converter Hanger Assembly Replacement
- Catalytic Converter Heat Shield Replacement
- Description and Operation
- Special Tools and Equipment
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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.