Difference between revisions of "Gearbox Clutch CVs - Warnings"
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New owners - | New owners - Check your gearbox oil level, whatever you have been told about previous servicing! | ||
It has come to our notice over several years, that many gearbox problems and indeed, total gearbox failures are caused not by simple wear and tear, but by a simple lack of oil. | It has come to our notice over several years, that many gearbox problems and indeed, total gearbox failures are caused not by simple wear and tear, but by a simple lack of oil. | ||
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These vehicles are now old, and gearboxes can slowly leak oil. Very often this is because the castings (particularly early ones) corrode, and the sections ease apart, allowing slow but consistent weeping/leaking. | These vehicles are now old, and gearboxes can slowly leak oil. Very often this is because the castings (particularly early ones) corrode, and the sections ease apart, allowing slow but consistent weeping/leaking. | ||
Many garages do not think about (nor are paid to) check the gearbox oil level. It is not a normal service item. It is not a 5 minute job, indeed, without draining and refilling, there is no easy way to ''accurately'' determine the actual level. It may be possible to estimate it without dropping and refreshing the oil. Even when a mechanic underneath spots a drip or weep of oil around a gearbox mating joint, they may well just wipe it off rather than realise it is a sympton that needs investigating further, due to poor vehicle specific knowledge, or common lack of the 'what if' mentality... | |||
'''NB.'' Additionally, it is soemtimes not too easy to remove the oil filler plug. Remember, do not remove the drain plug until the filler plug has been loosened | '''NB.'' Additionally, it is soemtimes not too easy to remove the oil filler plug. Remember, do not remove the drain plug until the filler plug has been loosened | ||
Revision as of 01:42, 4 November 2009
New owners - Check your gearbox oil level, whatever you have been told about previous servicing!
It has come to our notice over several years, that many gearbox problems and indeed, total gearbox failures are caused not by simple wear and tear, but by a simple lack of oil.
These vehicles are now old, and gearboxes can slowly leak oil. Very often this is because the castings (particularly early ones) corrode, and the sections ease apart, allowing slow but consistent weeping/leaking.
Many garages do not think about (nor are paid to) check the gearbox oil level. It is not a normal service item. It is not a 5 minute job, indeed, without draining and refilling, there is no easy way to accurately determine the actual level. It may be possible to estimate it without dropping and refreshing the oil. Even when a mechanic underneath spots a drip or weep of oil around a gearbox mating joint, they may well just wipe it off rather than realise it is a sympton that needs investigating further, due to poor vehicle specific knowledge, or common lack of the 'what if' mentality...
'NB. Additionally, it is soemtimes not too easy to remove the oil filler plug. Remember, do not remove the drain plug until the filler plug has been loosened
So, if you have just acquired a T25...
then it is a very good idea to get a garage or T25 savvy person to make sure your gerabox has actually got some oil in it.
T25 gearboxes are becoming expensive, some parts are now difficult or impossible to buy new, or are very expensive. A typical rebuild could cost from £750 to £1500, and requires specialist knowledge and tooling.
Recommendations for those few in the UK who can be relied upon to rebuild these boxes correctly, can be obtained by posting a question on the forum.
