Specifications (VIN Range: M45255->N52047)
| Description | Nm | Lb-ft | Lb-in |
|---|
| Exhaust manifold to catalytic converter nuts - Vehicles with 2.5L, 3.0L or 4.2L engines | 40 | 30 | |
| Exhaust manifold to catalytic converter nuts - Vehicles with 2.7L diesel engine | 22 | 16 | |
| Exhaust clamps | 55 | 41 | |
| Heated oxygen sensors | 40 | 30 | |
| Catalyst monitor sensors | 40 | 30 | |
| Catalyst support bracket (1) - Vehicles with 2.7L diesel engine | 25 | 18 | |
| Under body support bracket | 6 | | 53 |
| (1) For vehicles prior to VIN N85983, refit old fixings and tighten to 22 Nm. |
| (1) | For vehicles prior to VIN N85983, refit old fixings and tighten to 22 Nm. |
Specifications (VIN Range: N52048->N99999)
| Description | Nm |
|---|
| Exhaust manifold to catalytic converter retaining nuts (Vehicles without diesel engine) | 40 |
| Catalytic convertor retaining clamp (Vehicles without diesel engine) | 55 |
| Front muffler retaining clamps | 55 |
| Muffler and tailpipe retaining clamp | 55 |
| Heated oxygen sensors (Vehicles without diesel engine) | 40 |
| Catalyst monitor sensors (Vehicles without diesel engine) | 40 |
| Catalyst temperature sensors (Vehicles with diesel engine) | 35 |
| Diesel particulate filter temperature sensor (Vehicles with diesel engine) | 35 |
| Turbocharger to downpipe catalytic convertor retaining studs (Vehicles with diesel engine) | 15 |
| Turbocharger to downpipe catalytic convertor retaining nuts (Vehicles with diesel engine) | 22 |
| Downpipe catalytic convertor to diesel particulate filter securing clamp retaining bolts (Vehicles with diesel engine) | 11 |
| Diesel particulate filter to front muffler securing clamp retaining bolts (Vehicles with diesel engine) | 55 |
| Diesel particulate filter differential pressure sensor retaining nuts (Vehicles with diesel engine) | 5 |
Scheme 1
Scheme 1: Exhaust System - Description & Operation (VIN Range: M45255->N52047)
| Item Number | Description |
|---|
| 1 | Catalytic converter |
| 2 | Front muffler |
| 3 | Muffler and tailpipe |
Scheme 2
| Item Number | Description |
|---|
| 1 | Catalytic converter |
| 2 | Front muffler |
| 3 | Muffler and tailpipe |
The exhaust system for various engines are of similar design but utilize different internal elements to achieve a distinct exhaust note for each variant.
