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Removing the Gearbox on a Series Land Rover 
The Series Land Rover gearbox has to be removed through the front passenger door and this can only really be achieved with wheeled crane having a long reach arm. However, it is possible to change a clutch plate without complete removal of the gearbox but some means of safely lifting the gearbox, moving it backwards about 20cm and supporting it safely has to be found. The following procedure is pretty standard for any Series Land Rover: remove the floor panels and transmission cover. Some early Series Land Rovers have a short horizontal handbrake lever, if this is NOT the case, then the handbrake mechanism must be unbolted from the chassis before the seat base can be removed over the lever. Next remove the seat base. Now is a good time to drain the gearbox and transfer box oil. There is enough space on a Series Land Rover to disconnect both propshafts from the gearbox and just tie the ends back out of the way. Remove the speedometer cable from the rear of the transfer box. The transmission brake operating lever assembly needs to be removed and for a Series Land Rover with left hand drive then the brake lever cross shaft just also be removed. Now the two bolts on each transmission mounting should be removed (may be necessary to remove the front exahaust pipe on some Series Land Rovers to get access). Then the clutch actuating mechanism shold be removed; on the earlySeries Land Rover this involves removing the clevis pin from the clutch operating shaft then undoing the 3 nuts on the bellhousing which hold the assembly and tie it back out of the way. For later year models the 2 bolts which hold the clutch slave cylinder in position should be removed and then slave cylinder carefully removed. If there is an earthing strap from the chassis to the gearbiox then this should be removed. Finally, jack up the engine a little and insert a 3cm block of wood between the bellhousing and the chassis (insert the wood from the engine side so as not to overlap the gearbox flange else withdrawing the gearbox backwards will be difficult). Place a sling around the gearbox such that it will balance the gearbox horizontally when lifted then take the weight of the gearbox on the hoist and undo the remaining nuts and washers on the bellhousing. Check there are no more items connecting the transmission to the engine or chassis then withdraw the transmission unit backwards until the input shaft is clear of the clutch assembly. Finally, raise the transmission unit and remove through the passenger doorway. To see previous homepages visit the Series Land Rover Archives |
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Fascinating facts (No.73 ) The unladen rear tyre pressure for a 109 IIA Forward Control is 18psi
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