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L322 technical guide
The L322 was a technical leap for the Range Rover: the first with a monocoque body and
fully independent air suspension, plus a sophisticated permanent four-wheel-drive system
and (from 2006) Terrain Response. This section explains each major system, how it
works, and what to watch for as the cars age.
Technical topics
| System | What it covers |
|---|
| Air suspension (EAS) | Ride heights, cross-linking, how it works, faults |
| Terrain Response | The off-road mode dial and what each setting does |
| 4WD & transfer case | Permanent 4WD, Torsen diff, low range |
| Gearboxes | ZF 5HP24, GM 5L40-E, ZF 6HP26/28, ZF 8HP70 |
| Body & chassis | Monocoque construction, suspension layout |
| Brakes | Discs, Brembo?Brembo: Premium Italian brake maker; larger discs and multi-piston fixed calipers give stronger, more fade-resistant braking on heavy/fast cars., electric park brake, HDC |
| Electronics | BMW-era to Jaguar-era systems, infotainment |
Key systems in one line each
- Body: monocoque?monocoque: A unibody structure where the body shell itself carries the loads, instead of bolting a body onto a separate ladder chassis. Stiffer, quieter, lighter. (unibody): a first for Range Rover.
- Suspension: four-wheel independent, electronic cross-linked air springs.
- Drive: permanent 4WD, two-speed transfer case, Torsen centre diff.
- Gearbox: automatic only, 5-speed early, 6-speed mid, 8-speed late.
- Off-road aids: Hill Descent Control from launch; Terrain Response?Terrain Response: Land Rover's rotary off-road system: one dial reconfigures throttle, gearbox, ride height, ABS and diffs to suit grass, mud, sand, rock or normal driving. from 2006.
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