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 MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 143 (ENGINE EXHAUST SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2006 Buick Terraza CXL, 3.5 L, AWD
Fastener Tightening Specifications
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Fastener Tightening Specifications
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.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Catalytic Converter Bolt | 45 N.m | 33 lb ft |
| Catalytic Converter Nuts | 60 N.m | 44 lb ft |
| EGR Adapter Pipe to Exhaust Manifold Bolt 3.8L | 29 N.m | 21 lb ft |
| Engine Lift Bracket Bolt/Nut | 30 N.m | 22 lb ft |
| Exhaust Crossover Pipe Bolt/Nut | 20 N.m | 15 lb ft |
| Exhaust Crossover Pipe Bolt/Stud | 20 N.m | 15 lb ft |
| Exhaust Crossover Pipe Heat Shield Bolt | 10 N.m | 89 lb in |
| Exhaust Crossover Pipe Heat Shield Nut | 25 N.m | 18 lb ft |
| Exhaust Manifold Bolt/Nut | 30 N.m | 22 lb ft |
| Exhaust Manifold Heat Shield Bolt | 10 N.m | 89 lb in |
| Exhaust Manifold Heat Shield Nuts | 20 N.m | 15 lb ft |
| Exhaust Manifold Nut | 16 N.m | 12 lb ft |
| Exhaust Manifold Pipe Stud Nut | 35 N.m | 26 lb ft |
| Exhaust Pipe Rear Hanger Bolt | 25 N.m | 18 lb ft |
| Fuel Injector Sight Shield Bracket Nut | 30 N.m | 22 lb ft |
| Rear Bumper Impact Bar Bolt | 25 N.m | 18 lb ft |
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.