Fastener Specifications
NOTE:
Callouts in the following chart represent components shown in graphic above.
Catalytic Converter Brace Bracket (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Catalytic Converter Brace Bracket Nut [4x] | - | - | 22 N.m (16 lb ft) | Catalytic Converter Brace Bracket Replacement - Front (LM2) |
| 2 | Catalytic Converter Brace Bracket Nut [4x] | - | - | 22 N.m (16 lb ft) | Catalytic Converter Brace Bracket Replacement - Middle (Nitrogen Oxides Catalytic Converter) , or Catalytic Converter Brace Bracket Replacement - Middle (Block) |
| 3 | Catalytic Converter Brace Bracket Nut [2x] | - | - | 22 N.m (16 lb ft) | Catalytic Converter Brace Bracket Replacement (Engine Block to Exhaust Back Pressure Valve) |
| 4 | Exhaust Front Pipe Nut [2x] | - | - | 50 N.m (37 lb ft) | Catalytic Converter Brace Bracket Replacement (Engine Block to Exhaust Back Pressure Valve) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Catalytic Converter Brace Bracket (LM2 Engine Block to Nitrogen Oxides Catalytic Converter)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Catalytic Converter Brace Bracket Bolt [2x] | - | - | 22 N.m (16 lb ft) | Catalytic Converter Brace Bracket Replacement - Middle (Nitrogen Oxides Catalytic Converter) , or Catalytic Converter Brace Bracket Replacement - Middle (Block) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Catalytic Converter Brace Bracket- Front (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Catalytic Converter Brace Bracket Bolt [2x] | - | - | 22 N.m (16 lb ft) | Exhaust Front Bracket Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Catalytic Converter Brace Bracket-Rear Upper (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Catalytic Converter Brace Bracket Nut [4x] | - | - | 22 N.m (16 lb ft) | Catalytic Converter Brace Bracket Replacement - Rear Upper |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Catalytic Converter Clamp@Nitrogen Oxides Catalytic Converter (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Catalytic Converter Clamp | Yes | - | 15 N.m (11 lb ft) | Nitrogen Oxides Catalytic Converter with Filter Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Back Pressure Valve (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Catalytic Converter Nut [3x] | - | - | 50 N.m (37 lb ft) | Exhaust Back Pressure Valve Replacement |
| 2 | Exhaust Gas Recirculation Valve Inlet Gasket | Yes | - | - | Exhaust Back Pressure Valve Replacement |
| 3 | Exhaust System Front Gasket | Yes | - | - | Nitrogen Oxides Catalytic Converter Replacement |
| 4 | Exhaust Front Pipe Nut [2x] | - | - | 50 N.m (37 lb ft) | Nitrogen Oxides Catalytic Converter Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Control Valve Actuator (LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Throttle Control Valve Actuator Solenoid Nut [3x] | - | - | 10 N.m (89 lb in) | Exhaust Control Valve Actuator Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Front Underbody Heat Shield-Exhaust Intermediate Underbody Heat Shield (Short Wheelbase)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Heat Shield Retainer [3x] | - | - | 2.5 N.m (2 lb ft) | Exhaust Front Underbody Heat Shield Replacement (LT4) , or Exhaust Front Underbody Heat Shield Replacement (L87) , or Exhaust Front Underbody Heat Shield Replacement (LM2) |
| 2 | Exhaust Heat Shield Retainer [3x] | - | - | 2.5 N.m (2 lb ft) | Exhaust Intermediate Underbody Heat Shield Replacement (Short Wheelbase) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Front Underbody Heat Shield-Exhaust Intermediate Underbody Heat Shield (Long Wheelbase)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Heat Shield Retainer [3x] | - | - | 2.5 N.m (2 lb ft) | Exhaust Front Underbody Heat Shield Replacement (LT4) , or Exhaust Front Underbody Heat Shield Replacement (L87) , or Exhaust Front Underbody Heat Shield Replacement (LM2) |
| 2 | Exhaust Heat Shield Retainer [5x] | - | - | 2.5 N.m (2 lb ft) | Exhaust Intermediate Underbody Heat Shield Replacement (Long Wheelbase) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Heat Shield (L87, LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Heat Shield Retainer [2x] | - | - | 2.5 N.m (2 lb ft) | Exhaust Heat Shield Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Flange Bolt [12x] | - | - | Exhaust Manifold Bolt Torque Sequence (LM2) | Exhaust Manifold Replacement (LM2) |
| 2 | Exhaust Manifold Gasket | Yes | - | - | Exhaust Manifold Replacement (LM2) |
| 3 | Turbocharger Gasket | Yes | - | - | Compressor Air Intake Turbocharger Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold- Left Side (LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Bolt [5x] | Yes | Yes | Exhaust Manifold Bolt Torque Sequence - Left Side (LT4) | Exhaust Manifold Replacement - Left Side (LT4) |
| 2 | Exhaust Manifold Gasket | Yes | - | - | Exhaust Manifold Replacement - Left Side (LT4) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold- Right Side (L87)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Gasket | Yes | - | - | Exhaust Manifold Bolt Torque Sequence - Left Side (L87) |
| 2 | Exhaust Manifold Bolt [5x] | Yes | Yes | Exhaust Manifold Bolt Torque Sequence - Right Side (L87) | Exhaust Manifold Replacement - Right Side (L87) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold- Right Side (LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Gasket | Yes | - | - | Exhaust Manifold Replacement - Right Side (LT4) |
| 2 | Exhaust Manifold Bolt [5x] | Yes | Yes | Exhaust Manifold Bolt Torque Sequence - Right Side (LT4) | Exhaust Manifold Replacement - Right Side (LT4) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold Heat Shield (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Heat Shield Bolt [2x] | - | - | 10N.m (89 lb in) | Exhaust Manifold Heat Shield Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold Heat Shield-Exhaust Manifold- Left Side (L87)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Heat Shield Bolt [3x] | - | - | 9 N.m (80 lb in) | Exhaust Manifold Heat Shield Replacement - Left Side |
| 2 | Exhaust Manifold Bolt [5x] | Yes | Yes | Exhaust Manifold Bolt Torque Sequence - Left Side (L87) | Exhaust Manifold Replacement - Left Side (L87) |
| 3 | Exhaust Manifold Gasket | Yes | - | - | Exhaust Manifold Replacement - Left Side (L87) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold Heat Shield- Left Side (LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Heat Shield Bolt [3x] | - | - | 9 N.m (80 lb in) | Exhaust Manifold Heat Shield Replacement - Left Side |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Manifold Heat Shield- Right Side (L87, LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Manifold Heat Shield Bolt [3x] | - | - | 9 N.m (80 lb in) | Exhaust Manifold Heat Shield Replacement - Right Side |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Pipe Clamp@Exhaust Intermediate Pipe (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Pipe Clamp | - | - | 28 N.m (21 lb ft) | Exhaust Intermediate Pipe Replacement |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Pipe Clamp@Exhaust Muffler (L87)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Pipe Clamp | - | - | 28 N.m (21 lb ft) | Exhaust Muffler Replacement (L87) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Pipe Clamp@Exhaust Muffler (LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Pipe Clamp [2x] | - | - | 50 N.m (37 lb ft) | Exhaust Muffler Replacement (LT4) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Rear Muffler-Exhaust Rear Hanger (LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Pipe Clamp | - | - | 50 N.m (37 lb ft) | Exhaust Rear Muffler Replacement (LT4) |
| 2 | Exhaust Hanger Bracket Bolt | - | - | 45 N.m (33 lb ft) | Exhaust Rear Hanger Replacement (LT4) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Rear Muffler-Exhaust Rear Hanger (LM2, L87)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust System Intermediate Nut [2x] | - | - | 22 N.m (16 lb ft) | Exhaust Rear Muffler Replacement (L87) , or Exhaust Rear Muffler Replacement (LM2) |
| 2 | Exhaust System Rear Gasket | Yes | - | - | Exhaust Rear Muffler Replacement (L87) , or Exhaust Rear Muffler Replacement (LM2) |
| 3 | Exhaust Hanger Bracket Bolt [2x] | - | - | 45 N.m (33 lb ft) | Exhaust Rear Hanger Replacement (LM2/L87) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Rear Underbody Heat Shield (Long Wheelbase)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Heat Shield Retainer [3x] | - | - | 2.5 N.m (22 lb in) | Exhaust Rear Underbody Heat Shield Replacement (Long Wheelbase) (LM2/L87) , or Exhaust Rear Underbody Heat Shield Replacement (Long Wheelbase) (LT4) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Exhaust Rear Underbody Heat Shield (Short Wheelbase)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Heat Shield Retainer [3x] | - | - | 2.5 N.m (22 lb in) | Exhaust Rear Underbody Heat Shield Replacement (Short Wheelbase) (LM2/L87) , or Exhaust Rear Underbody Heat Shield Replacement (Short Wheelbase) (LT4) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Three-Way Catalytic Converter (L87)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Front Pipe Nut [6x] | - | - | 50 N.m (37 lb ft) | Three-Way Catalytic Converter Replacement (RWL & L87) , or Three-Way Catalytic Converter Replacement (F48 & L87) |
| 2 | Exhaust Heat Shield Bolt | - | - | 9 N.m (80 lb in) | Exhaust Front Pipe Heat Shield Replacement - Left Side |
| 3 | Exhaust Heat Shield Bolt | - | - | 9 N.m (80 lb in) | Exhaust Front Pipe Heat Shield Replacement - Right Side |
| 4 | Exhaust System Seal | Yes | - | - | Three-Way Catalytic Converter Replacement (RWL & L87) , or Three-Way Catalytic Converter Replacement (F48 & L87) |
| 5 | Exhaust System Seal | Yes | - | - | Three-Way Catalytic Converter Replacement (RWL & L87) , or Three-Way Catalytic Converter Replacement (F48 & L87) |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Three-Way Catalytic Converter- Left Side and Right Side (LT4)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Exhaust Heat Shield Bolt | - | - | 9 N.m (80 lb in) | Exhaust Front Pipe Heat Shield Replacement - Left Side |
| 2 | Exhaust Front Pipe Nut [3x] | - | - | 50 N.m (37 lb ft) | Three-Way Catalytic Converter Replacement - Left Side |
| 3 | Exhaust System Seal | Yes | - | - | Three-Way Catalytic Converter Replacement - Left Side |
| 4 | Exhaust System Seal | Yes | - | - | Three-Way Catalytic Converter Replacement - Right Side |
| 5 | Exhaust Front Pipe Nut [3x] | - | - | 50 N.m (37 lb ft) | Three-Way Catalytic Converter Replacement - Right Side |
| 6 | Exhaust Heat Shield Bolt | - | - | 9 N.m (80 lb in) | Exhaust Front Pipe Heat Shield Replacement - Right Side |
NOTE:
Callouts in the following chart represent components shown in graphic above.
Turbocharger Heat Shield (LM2)
| Callout | Component Name | Single Use Fastener/Component | Thread Locking Adhesive Required | Specification | Procedure |
|---|---|---|---|---|---|
| Metric (English) | |||||
| 1 | Turbocharger Heat Shield Bolt [2x] | - | - | 9 N.m (80 lb in) | Turbocharger Heat Shield Replacement |
| 2 | Turbocharger Heat Shield Nut | - | - | 9 N.m (80 lb in) | Turbocharger Heat Shield Replacement |