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Cv Joint Replacement


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#1 ianran

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Posted 05 June 2009 - 10:22 AM

1986 Austin Min (Fastest Gold one I believe lol)

My daughters just bought this so we bimbled of for a service and MOT check. Guys picked up a perished CV Joing (Near Disc end of drive shaft)

Is there an easy way to change the CV Gaiter or do I have to dite the bullet and take out Drive shaft??

Any idea on timescales and tools needed would be loverly von jubberly :D

#2 GraemeC

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Posted 05 June 2009 - 10:30 AM

Tools:
Hub nut socket, probably 1 5/16" on that age of car
Ball joint splitter - the scissor type one is usually best
Various other imperial sockets & spanners
Big hammer
Torque wrench capable of 150lb/ft

You can do this without removing the driveshaft from the car but, depending on which joint comes apart easiest (inner or outer CV), it might prove easier to remove the driveshaft and take it to a vice.

Timescales - if everything goes well, about an hour. If not - god only knows!!

#3 Big_Adam

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Posted 05 June 2009 - 10:39 AM

Could be lazy and get a split gaiter which just wraps around the CV joint, cut the old off slap on the new one. Not sure how good they are mind.

#4 GraemeC

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Posted 05 June 2009 - 10:48 AM

You'll still need to release teh CV joint from the hub to have any change of gluing it together reasonably. They are generally pretty crap though!!

You can now get latex CV boots which, with the aid of a big cone, actually stretch large enough to go over the CV jont. These would mean you didn't need to remove the joint or the driveshaft. I don't think the fitting 'cones' are too dear either, but I don't know if you can get them in the right size for the Mini.

#5 ianran

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Posted 05 June 2009 - 10:52 AM

Tools:
Hub nut socket, probably 1 5/16" on that age of car
Ball joint splitter - the scissor type one is usually best
Various other imperial sockets & spanners
Big hammer
Torque wrench capable of 150lb/ft

You can do this without removing the driveshaft from the car but, depending on which joint comes apart easiest (inner or outer CV), it might prove easier to remove the driveshaft and take it to a vice.

Timescales - if everything goes well, about an hour. If not - god only knows!!


Thanks for propmt help, sorry to sound a pain but ....
Ive looked in the Haynes manual and its a liitle sketchy, can the CV joint be tqken off without removing the shaft and if the shaft has to come out do I need to drain the oil?

As Im gunna be the mug on his back on the drive Id kinda like to know whats coming!!!

#6 ianran

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Posted 05 June 2009 - 10:54 AM

You'll still need to release teh CV joint from the hub to have any change of gluing it together reasonably. They are generally pretty crap though!!

You can now get latex CV boots which, with the aid of a big cone, actually stretch large enough to go over the CV jont. These would mean you didn't need to remove the joint or the driveshaft. I don't think the fitting 'cones' are too dear either, but I don't know if you can get them in the right size for the Mini.


I concur, tried a split one on an old escort, pain in the backside and was never comfortable that it was secure or watertight.

#7 GraemeC

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Posted 05 June 2009 - 11:01 AM

Stretchy Boot:
http://www.atozmotor...ducts_id/128810

The CV can be taken off without removing the shaft, however as it must be knocked off with some good hammer blows there is a chance that rather than the CV koint coming off either the driveshaft will come out of the inner CV, the inner CV will come in bits or the inner CV will come out of the gearbox. The first two scenarios aren't a problem - the last one will probably end up with a pool of oil on the floor!

The easy way of removing the shaft is to cut the outer tie on the inner CV joint boot and then the joint will simply pull apart - you will have a cage with 7 or 8 ball bearings on the end of the shaft and a steel cup left in the gearbox. Don't lose the balls and keep both halves of the joint clean (or clean and regrease if you like). Re-assembly is as straight forward. This way the oil will stay put!

#8 ianran

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Posted 05 June 2009 - 11:29 AM

Stretchy Boot:
http://www.atozmotor...ducts_id/128810

The CV can be taken off without removing the shaft, however as it must be knocked off with some good hammer blows there is a chance that rather than the CV koint coming off either the driveshaft will come out of the inner CV, the inner CV will come in bits or the inner CV will come out of the gearbox. The first two scenarios aren't a problem - the last one will probably end up with a pool of oil on the floor!

The easy way of removing the shaft is to cut the outer tie on the inner CV joint boot and then the joint will simply pull apart - you will have a cage with 7 or 8 ball bearings on the end of the shaft and a steel cup left in the gearbox. Don't lose the balls and keep both halves of the joint clean (or clean and regrease if you like). Re-assembly is as straight forward. This way the oil will stay put!


Doesnt work on the outer then?

PS where do I get grease nipples???

#9 GraemeC

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Posted 05 June 2009 - 12:24 PM

No, you can't split the outer CV joint. Well not unless it is well and truly knackered!!

Should be able to get grease nipples from most motor factors, possibly halfords. Also you could get them on-line: http://www.namrick.c...wse.asp?PCID=20




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