clairetoo
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| posted on 2/6/08 at 10:13 PM |
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Gearbox woes......
I think the layshaft bearings are dead in my Mx5 gearbox - there is A LOT of noise all the time , which allmost go`s when the clutch is depressed ,
and becomes a high-pitch rattle when shutting the throttle at any kind of speed , and when changing into 5th . Knock it out of gear at speed and it
will make your ears bleed 
I`m wondering.......as a short term fix , can I just change the front bearing without stripping the gearbox right down ? The front `cover` / oil seal
carrier comes off to reveal both front bearings.......
Its cuz I is blond , innit
Claire xx
Will weld for food......
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tegwin
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| posted on 2/6/08 at 10:28 PM |
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If your going to be taking the engine out to replace the front bearing you are half way there.....take the entire darn thing out and get it looked at
before it cracks a cog through the casing!
(Sure its not the diff?)
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clairetoo
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| posted on 2/6/08 at 10:32 PM |
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quote:
Originally posted by tegwin
If your going to be taking the engine out to replace the front bearing you are half way there.....take the entire darn thing out and get it looked at
before it cracks a cog through the casing!
(Sure its not the diff?)
Fairly sure its not the diff - it sound very different in fourth , which is direct/1-1 on this box .
I was going to pull the whole box out , I just dont fancy stripping the whole thing for a bearing.......
Its cuz I is blond , innit
Claire xx
Will weld for food......
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stevebubs
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| posted on 3/6/08 at 12:22 AM |
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quote:
Originally posted by clairetoo
quote:
Originally posted by tegwin
If your going to be taking the engine out to replace the front bearing you are half way there.....take the entire darn thing out and get it looked at
before it cracks a cog through the casing!
(Sure its not the diff?)
Fairly sure its not the diff - it sound very different in fourth , which is direct/1-1 on this box .
I was going to pull the whole box out , I just dont fancy stripping the whole thing for a bearing.......
Surely the odds are that if a bearing has gone at one end, it's started to wear the other one and that will go before too long?
I'd also get the whole shaft checked while it's apart.
Made this mistake with my crossflow. Big ends gone. Changed 'em. Lasted 30 miles before the problem came back.
£600 rebuild later....
Moral of the story...do it once and do it right....
[Edited on 3/6/08 by stevebubs]
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stevebubs
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| posted on 3/6/08 at 12:24 AM |
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Point of note....are you sure it's not the flywheel / clutch??
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clairetoo
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| posted on 3/6/08 at 05:24 AM |
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quote:
Originally posted by stevebubs
Point of note....are you sure it's not the flywheel / clutch??
Fairly , cuz adding a load of fresh oil quietened it down a lot ( plus with the starter motor out I have checked , nothing loose or damaged that I can
see or feel )
Its cuz I is blond , innit
Claire xx
Will weld for food......
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MikeR
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| posted on 3/6/08 at 08:34 AM |
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i had a quick look on ebay, boxes can be had for 75 quid.
is it worth buying a replacement box, fitting it and then rebuilding the other one at your leisure?
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clairetoo
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| posted on 3/6/08 at 03:32 PM |
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quote:
Originally posted by MikeR
i had a quick look on ebay, boxes can be had for 75 quid.
is it worth buying a replacement box, fitting it and then rebuilding the other one at your leisure?
Theres one on for £25 ! I`m keeping an eye on that 
I`ll need a box for my next project..........and as this one sounds and goes just like an engine should , I may well be putting the same set-up in an
Epona 
Its cuz I is blond , innit
Claire xx
Will weld for food......
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