Land Rover Series II, IIA and III Maintenance and Upgrades Manual by Richard Hall

Author:Richard Hall
Language: eng
Format: epub
Publisher: The Crowood Press

Four-wheel drive selector shafts are behind this pressed steel cover.

♦ Reverse gear selection: the reverse gear detent consists of a hinged flap and two springs attached to the reverse selector fork. When a spring breaks, the flap sticks up, allowing reverse to be engaged as easily as first. The springs can be replaced without too much trouble, but the floors and transmission tunnel have to come out.

♦ Sticking transfer lever: on vehicles where four-wheel drive and low ratio are infrequently used, the shafts inside the transfer box can stick. The usual symptom is that it becomes impossible to engage high ratio without also pushing down the yellow knob for four-wheel drive. The front ends of the shafts are concealed under a pressed steel cover on the front extension housing:if this is removed, lubricating the shafts and giving them a tap with a hammer, then working them back and forth, will usually restore normal operation.

♦ Jammed gear lever: the ball at the bottom end has a groove in it for an ‘O’ ring to stop it rattling. Sometimes a combination of missing ‘O’ring, worn ball and worn forks allows the ball to slip between two of the forks, jamming the mechanism entirely. The floors and transmission tunnel will need to come out so the gear lever can be removed for attention. Gear levers can also break off at the bottom due to metal fatigue: it is not uncommon to find they have been welded back on.

♦ ‘Crunching’ between gears: Series II and IIA gearboxes have no synchromesh on first or second gear, so you will need to master the double-declutching technique for crunch-free changes. Crunching on third and fourth gear is usually caused by failure of the flat metal springs in the third/fourth gear synchromesh hub:these are almost impossible to replace without stripping the gearbox, but it will happily plod on like this for quite a while, provided you doubledeclutch and change gear slowly. First/second gear synchromesh hubs on Series III gearboxes have a weak spot where the synchromesh rings locate: the corners of the hub break off, eventually leading to a very notchy and obstructive selection of first and/or second gear. The synchromesh rings also wear with age and can be ‘beaten’ if changing gear too quickly.

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