Rear Drive Axle/Differential: Specifications
Sealers
| Item | Land Rover Part No. |
|---|---|
| Input shaft flange nut | STC 50553 |
| Input shaft splines | STC 50554 |
| Differential (ETM) unit locking motor | STC 50550 |
Lubricants
| Item | Specification |
|---|---|
| * Recommended lubricant: | |
| 'Open' unit | Castrol SAF-XO - 75W/90 |
| Electronic torque managed (ETM) unit | Castrol SAF Carbon Mod Plus |
* Do not use any lubricant other than that specified
Capacities
| Unit | Capacity |
|---|---|
| 'Open' differential | 1.1 liters (2.3 US pints) (1.16 US quarts) |
| Electronic torque managed (ETM) differential | 1.5 liters (3.17 US pints) (1.6 US quarts) |
Rear 'Open' Differential
| Item | Specification |
|---|---|
| Reduction ratio: | |
| V6 Diesel engine - Manual transmission | 3.07:1 |
| V6 Diesel engine - Automatic transmission | 3.54:1 |
| V6 Petrol engine - Automatic transmission | 3.73:1 |
| V8 Petrol engine - Automatic transmission | 3.54:1 |
Rear Electronic Torque Managed (ETM) Differential
| Item | Specification |
|---|---|
| Electronic torque managed (ETM) range | Up to 2500 Nm (98.5 lbf/ft) |
| Electronic torque managed (ETM) motor | Operates the ball/ramp mechanism and wet clutch. Motor incorporates a temperature sensor and is controlled by an ECU |
| Differential type | 4 pin |
| Reduction ratio: | |
| V6 Diesel engine - Manual transmission | 3.07:1 |
| V6 Diesel engine - Automatic transmission | 3.54:1 |
| V6 Petrol engine - Automatic transmission | 3.73:1 |
| V8 Petrol engine - Automatic transmission | 3.54:1 |
Torque Specifications
| Description | Nm | lb-ft |
|---|---|---|
| Oil drain plug, with Hexagonal drive plug | 54 | 40 |
| Oil drain plug, with 3/8" square drive plug | 28 | 21 |
| Oil filler plug | 34 | 25 |
| Oil temperature sensor | 22 | 16 |
| ++ Differential locking motor | 10 | 7 |
| Differential front mounting bolt | 275 | 203 |
| Differential rear mounting bolts | 175 | 129 |
| * Driveshaft to rear axle drive flange Torx bolts | 150 | 110 |
| Lower arm to wheel knuckle | 275 | 203 |
| Toe link bolt | 175 | 129 |
| Stabilizer bar link nuts | 115 | 85 |
| **+ Halfshaft retaining nut | 350 | 258 |
| Fuel tank heat shield nuts and bolts | 10 | 7 |
| Road wheel nuts | 140 | 103 |
* New "Patchlok' Torx bolts must be installed
** New nut must be installed
+ Stake nut on completion of tightening operation
++ Apply sealant, Part No. STC 50550 to flange of locking motor