Transfer box - LT230SE (Lubrication): Description and operation (page 2 of 2)
- Make
- Land Rover
- Model
- Discovery II (UK)
- Section
- Description and operation
On vehicle fitted with a differential lock, the high/low range selector lever as fitted on previous models also incorporates the differential lock selector on vehicles from 03 model year.
The lever can be moved forwards or backwards to select high, neutral or low range or sideways to select differential lock engaged or disengaged, on vehicles with differential lock fitted.
The selector lever assembly comprises an aluminium casting with bosses for location of the two cables, the selector lever mechanism and a housing for the interlock solenoid (if fitted). The upper face of the casting has threaded holes which allow for the attachment of the casting to the mounting plate which is attached to the transmission tunnel.
A boss at the front provides location for the differential lock cable. The cable is attached to a lever which in turn is attached to the selector lever. Movement of the selector lever is passed via the lever to the cable which moves the differential lock selector shaft.
A second boss provides for the location of the high/low range cable. The cable is attached to a plate which moves in a forward or rearward direction with the selector lever. On North American and Japanese specification models, plate movement is prevented by an interlock solenoid when the ignition key is not in the ignition.
When fitted, the interlock solenoid is located on the right hand side of the selector lever casting. The solenoid is fitted into a cast housing in the casting and retained with a circlip. Sealant is applied over the circlip to seal the solenoid in the housing to prevent the ingress of dirt and moisture. The solenoid performs the same function as on previous models, preventing the selection of neutral on the transfer box when the ignition key is not in the ignition.
A setting procedure is required for both the differential lock cable and the high/low range cable.
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