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.
2017 Chevrolet Traverse LS BaseFACTORY OEM SERVICE PROCEDURE
Fastener Specifications
Single Use Non-Threaded Fasteners/Components
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|---|
| Application |
| Catalytic Converter Seal |
| Exhaust Flex Pipe Gasket |
| Exhaust Manifold Gasket |
| Muffler Flange Gasket |
Reusable Threaded Fastener Tightening Specifications
|
NOTE:
All fasteners listed in this table can be reused after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Catalytic Converter Brace Bolt | 50 N.m (37 lb ft) |
| Catalytic Converter Hanger Clamp Nut | 18 N.m (13 lb ft) |
| Catalytic Converter to Exhaust Flexible Pipe Nut | 28 N.m (21 lb ft) |
| Catalytic Converter to Exhaust Manifold Nut | 50 N.m (37 lb ft) |
| Exhaust Flexible Pipe to Three-Way Converter Nut | 50 N.m (37 lb ft) |
| Exhaust Manifold Bolt | 20 N.m (15 lb ft) |
| Exhaust Manifold Heat Shield Bolt | 10 N.m (89 lb in) |
| Exhaust Manifold Lower Heat Shield Bolt (Large Bolt) | 50 N.m (37 lb ft) |
| Exhaust Manifold Lower Heat Shield Bolt (Small Bolt) | 10 N.m (89 lb in) |
| Exhaust Muffler Heat Shield Nut | 9 N.m (80 lb in) |
| Three-Way Catalytic Converter to Muffler Assembly Nut | 50 N.m (37 lb ft) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.