Series 2A throwout bearing stuck - Defender Source
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  #1  
Old April 4th, 2011, 10:50 AM
kjva
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Ken Jackson
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Series 2A throwout bearing stuck

Took a 1970 2A Wagon to a local shop to replace a stuck throwout bearing. They tell me it is on so tight they will can not remove the gearbox and need to take out the engine as well. Has enyone had this happen before ?
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  #2  
Old April 4th, 2011, 11:22 AM
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J. Michael McCaig
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On a series 2a the thowout bearing is part of the gearbox, does not separate from the gearbox like a series 3. You must have a stuck clutch disk. What are the symptoms?
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  #3  
Old April 4th, 2011, 11:46 AM
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Ken Jackson
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Was driving down the road, stopped to speak to someone and when I tried to drive off the clutch pedal was stuck at the top could not push it down to get the Rover in gear. The bearing had been very noisy. Did fit a new clutch slave cyl to be sure that was not the problem. It will start and drive in gear
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  #4  
Old April 5th, 2011, 01:48 PM
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steve
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They should be able to separate the engine from the bell housing regardless of how messed up the clutch or throwout is. That can be done with the engine still in the truck... no problem.

Do these guys know land rovers? you can remove the floor and get the whole tranny/tcase out easily.
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  #5  
Old April 5th, 2011, 08:25 PM
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Ken Jackson
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We took out the gear lever and could see the bearing whch had basically melted. The gearbox is unbolted but will not separate from the engine. The floor is no problem to remove as the Rover was rebuilt onto a galv chassis two years ago.
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  #6  
Old April 5th, 2011, 09:22 PM
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Assuming all the bell housing to flywheel housing bolts are out, the only thing that would keep them from separating is if the input shaft splines are somehow deformed causing them to stick in the clutch driven plate. That's the only "internal" connection between the gearbox and engine.
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  #7  
Old April 5th, 2011, 10:43 PM
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Ken Jackson
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It is a Series 3 gearbox on a 2A but I am not aware of any isuues with this.
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Old April 5th, 2011, 11:04 PM
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I suppose it's possible the SIII bearing is so trashed that's it's tangled in the pressure plate springs and that's keeping it from coming apart. A SIIa type couldn't do that because of the entirely different design.

If that's the case then you might be able to get an extension in through the inspection cover hole (where the selector bracket front bolts are) and remove the bolt and slide off the clip, #7 in the pic, so that the release lever and bearing drop out when the gearbox is pulled back.
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  #9  
Old April 6th, 2011, 07:33 PM
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Quote:
Originally Posted by Antichrist View Post
I suppose it's possible the SIII bearing is so trashed that's it's tangled in the pressure plate springs and that's keeping it from coming apart. A SIIa type couldn't do that because of the entirely different design.

If that's the case then you might be able to get an extension in through the inspection cover hole (where the selector bracket front bolts are) and remove the bolt and slide off the clip, #7 in the pic, so that the release lever and bearing drop out when the gearbox is pulled back.
if its the bearing entwined in the pressure plate fingers you will most likely need a pressure plate as well. Tell them to pry it apart-not much to loose here. Pulling the engine isn't going to make things any easier
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  #10  
Old April 7th, 2011, 07:08 PM
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Ken Jackson
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Got it out with the engine in place, the bearing had a total meltdown, the pressure plate was trashed as well. The bearing was not that old either.
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  #11  
Old April 8th, 2011, 02:24 AM
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Tom Rowe
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When you say "melt down" what do you mean?
When I replaced the the clutch on my '95 Disco some years back the bearing carrier (same exact design as the SIII) had spun on the sleeve surrounding the input shafts and melted/shaved off a fair bit of the bakelite. I think the whole thing was spinning when I depressed the clutch pedal.

How did you end up getting it apart? Brute force?
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  #12  
Old April 8th, 2011, 02:37 AM
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Not sure if the 2A is the same as the Defenders. I'm pretty sure 3s are. Anyway, for the Defender, you can get a much better bearing that has a machined aluminum housing. Avoids the plastic housing melting failure problem. http://www.rakeway.co.uk/page28.html They are around $50.
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  #13  
Old April 9th, 2011, 08:37 AM
kjva
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Ken Jackson
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Quote:
Originally Posted by Antichrist View Post
When you say "melt down" what do you mean?
When I replaced the the clutch on my '95 Disco some years back the bearing carrier (same exact design as the SIII) had spun on the sleeve surrounding the input shafts and melted/shaved off a fair bit of the bakelite. I think the whole thing was spinning when I depressed the clutch pedal.

How did you end up getting it apart? Brute force?
Through the hole at the top of the bellhousing undid the bolts holding the cluctch cover onto the flywheel then prised off the gearbox. The bearing looks like it overheated and collapsed. The flywheel is junk as well.
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  #14  
Old June 1st, 2011, 04:47 AM
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Originally Posted by kjva View Post
Through the hole at the top of the bellhousing undid the bolts holding the cluctch cover onto the flywheel then prised off the gearbox. The bearing looks like it overheated and collapsed. The flywheel is junk as well.
That's just what I was going to suggest.
Can the flywheel be refaced?
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Old June 1st, 2011, 05:02 AM
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Tom Rowe
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Quote:
Originally Posted by Red90 View Post
Not sure if the 2A is the same as the Defenders. I'm pretty sure 3s are. Anyway, for the Defender, you can get a much better bearing that has a machined aluminum housing. Avoids the plastic housing melting failure problem. http://www.rakeway.co.uk/page28.html They are around $50.
Hey! Great link, I didn't know about them.
I have one steel carrier from a Series that I've been hoarding, but it's the only one I've ever seen. All others have been bakelite.
I'll contact rakeway and get a couple of the Aluminum ones. I just need to take some measurements to see if they are the same dimensions between SIII and Defender/Discos.

edit - looks like they are, according to LRSERIES
Land Rover series 3 4,6 & 8 Cylinder models.
Defender 85>
Range Rover Classic 70>
Discovery 1 89-98
Range Rover P38 95>
101 Forward Control
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Tom Rowe
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Four wheel drive allows you to get stuck
in places even more inaccessible.

62 88 Regular
67 109 6cyl NADA x2
74 Lightweight - The Antichrist
95 DI 5-speed
95 D90 5-speed
97 D1 Automatic
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