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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 231 (ENGINE EXHAUST SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2006 Chevrolet Suburban K2500, 6.0 U
Fastener Tightening Specifications
2006 Chevrolet Suburban K2500, 6.0 USECTION Fastener Tightening Specifications
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Catalytic Converter Clamp - Right Side | 54 N.m | 40 lb ft |
| Catalytic Converter Pipe to Exhaust Manifold Nuts | 65 N.m | 48 lb ft |
| Catalytic Converter to Muffler Retaining Nuts | 48 N.m | 35 lb ft |
| Exhaust Hanger Bolts | 17 N.m | 13 lb ft |
| Exhaust Manifold Bolts First Pass - 4.3L | 15 N.m | 11 lb ft |
| Exhaust Manifold Bolts Second Pass - 4.3L | 30 N.m | 22 lb ft |
| Exhaust Manifold Bolts First Pass - 4.8L, 5.3L, 6.0L | 15 N.m | 11 lb ft |
| Exhaust Manifold Bolts Second Pass - 4.8L, 5.3L, 6.0L | 25 N.m | 18 lb ft |
| Exhaust Manifold Studs | 18 N.m | 13 lb ft |
| Heat Shield Bolts | 12 N.m | 106 lb in |
| Spark Plug Wire Support Bolts | 12 N.m | 106 lb in |
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.