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 Gasket |
| Exhaust Manifold Gasket |
| Exhaust Muffler Gasket |
Single Use Threaded Fastener/Component Tightening Specifications
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Catalytic Converter Clamp | 22 N.m (16 lb ft) |
| Exhaust Manifold Bolt (LT1, LT4) Refer to procedure for tightening sequence and torque values. |
Exhaust Manifold Installation - Left Side (LT4) , or Exhaust Manifold Installation - Left Side (LT1) , or Exhaust Manifold Installation - Right Side (LT4) , or Exhaust Manifold Installation - Right Side (LT1) |
| Exhaust Manifold Fasteners (LTG) | |
|
20 N.m (15 lb ft) |
|
20 N.m (15 lb ft) |
|
20 N.m (15 lb ft) |
Reusable Threaded Fastener Tightening Specifications
|
NOTE:
All fasteners listed in this table can be reused after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Catalytic Converter Brace (LTG) | 22 N.m (16 lb ft) |
| Catalytic Converter Brace Bracket (LGX, LT1, LT4) | 22 N.m (16 lb ft) |
| Catalytic Converter to Cylinder Head (LGX) | 46 N.m (34 lb ft) |
| Catalytic Converter to Exhaust Manifold (LT1, LT4) | 50 N.m (37 lb ft) |
| Catalytic Converter to Turbocharger Fasteners (LTG) | 50 N.m (37 lb ft) |
| Exhaust Control Valve Actuator (LT1, LT4) | 6 N.m (53 lb in) |
| Exhaust Manifold Brace (LTG) | 25 N.m (18 lb ft) |
| Exhaust Manifold Heat Shield Fasteners (LT1, LT4) | 10 N.m (89 lb in) |
| Exhaust Manifold Heat Shield Fasteners (LTG) | 14 N.m (124 lb in) |
| Exhaust Muffler to Catalytic Converter (LGX, LT1, LT4) | 50 N.m (37 lb ft) |
| Exhaust Rear Muffler Hanger Bracket Fasteners | 40 N.m (30 lb ft) |
| Floor Panel Cross Bar Fasteners | 22 N.m (16 lb ft) |
| Front Axle Propeller Shaft Heat Shield | 9 N.m (80 lb in) |
| Front Body Exhaust Heat Shield Fasteners | 9 N.m (80 lb in) |
| Intermediate Body Exhaust Heat Shield Fasteners | 9 N.m (80 lb in) |
| Rear Body Exhaust Heat Shield to Body Fasteners | 9 N.m (80 lb in) |
| Rear Body Exhaust Heat Shield to Fascia Fasteners | 3 N.m (27 lb in) |