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.
Fastener Specifications
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|---|
| Application |
| Catalytic Converter Gasket |
| Exhaust Manifold Gasket |
| Exhaust System Seal |
| Exhaust Tail Pipe Heat Shield Rivet |
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Exhaust Manifold Bolt Refer to procedure for tightening sequence and torque values. |
Exhaust Manifold Installation - Left Side (LT1 with Z52 Option)Exhaust Manifold Installation - Left Side (LT1 without Z52 Option)Exhaust Manifold Installation - Left Side (LT4, LT5) , or Exhaust Manifold Installation - Right Side (LT1)Exhaust Manifold Installation - Right Side (LT4, LT5) |
|
NOTE:
All fasteners listed in this table can be reused after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Catalytic Converter Nut | 50 N.m (37 lb ft) |
| Exhaust Control Valve Actuator Bolt | 6 N.m (53 lb in) |
| Exhaust Hanger Bracket Bolt | 22 N.m (16 lb ft) |
| Exhaust Manifold Heat Shield Bolt | 10 N.m (89 lb in) |
| Exhaust Muffler Hanger Bracket Bolt | 22 N.m (16 lb ft) |
| Exhaust Pipe Clamp | 44 N.m (32 lb ft) |
| Exhaust Rear Muffler Hanger Bracket Bolt | 25 N.m (18 lb ft) |
| Exhaust System Intermediate Nut | 22 N.m (16 lb ft) |
| Exhaust Tail Pipe Heat Sleeve Bolt | 6 N.m (53 lb in) |
| Underbody Floor Panel Heat Shield Bolt | 2.5 N.m (22 lb in) |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.