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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 972 (ENGINE EXHAUST SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Fastener Tightening Specifications
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, and 2007 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Catalytic Converter Nut (6.6L) | 40 N.m | 30 lb ft |
| Catalytic Converter to Exhaust Pipe Nut (6.0L) | 48 N.m | 35 lb ft |
| Catalytic Converter to Manifold Nut (4.3L/4.8L/5.3L) | 65 N.m | 48 lb ft |
| Catalytic Converter to Muffler Nut (4.3L/4.8L/5.3L/6.0L) | 48 N.m | 35 lb ft |
| Catalytic Converter to Particulate Filter Nut (6.6L) | 40 N.m | 30 lb ft |
| Exhaust Gas Recirculation (EGR) Cooler Pipe Bolt (6.6L) | 9 N.m | 80 lb in |
| Exhaust Gas Recirculation (EGR) Valve Adapter Pipe Bracket Bolt (6.6L) | 9 N.m | 80 lb in |
| Exhaust Hanger Bolt | 17 N.m | 13 lb ft |
| Exhaust Manifold Bolt (4.3L) | ||
|
15 N.m | 11 lb ft |
|
30 N.m | 22 lb ft |
| Exhaust Manifold Bolts (4.8L, 5.3L, and 6.0L) | ||
|
15 N.m | 11 lb ft |
|
25 N.m | 18 lb ft |
| Exhaust Manifold Bolt/Nut (6.6L) | 38 N.m | 28 lb ft |
| Exhaust Particulate Filter to Tailpipe Nut (6.6L) | 40 N.m | 30 lb ft |
| Exhaust Pipe Bolt (6.6L) | 53 N.m | 39 lb ft |
| Exhaust Pipe Clamp (6.0L) | 54 N.m | 40 lb ft |
| Exhaust Pipe Clamp (6.6L) | 40 N.m | 30 lb ft |
| Exhaust Pipe Heat Shield Bolt (6.6L) | 8 N.m | 71 lb in |
| Heat Shield Bolt | 12 N.m | 106 lb in |
| Heated Oxygen Sensor | 42 N.m | 31 lb ft |
| Rear Shock Absorber Lower Bolt | 95 N.m | 70 lb ft |
| Spark Plug Wire Support Bolt (4.3L) | 12 N.m | 106 lb in |
| Transmission Fluid Fill Tube Nut (6.6L) | 18 N.m | 13 lb ft |
| Transmission Mount to Support Nut | 40 N.m | 30 lb ft |
| Turbocharger Exhaust Heat Shield Bolt (6.6L) | 8 N.m | 71 lb in |
| Turbocharger Exhaust Pipe Clamp (6.6L) | 15 N.m | 11 lb ft |
| Turbocharger Exhaust Pipe to Catalytic Converter Pipe Clamp (6.6L) | 40 N.m | 30 lb ft |
| Turbocharger Exhaust Pipe to Right Exhaust Pipe Bracket Bolt (6.6L) | 34 N.m | 25 lb ft |
| Turbocharger Heat Shield Bolt (6.6L) | 9 N.m | 80 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.