Who rebuilds 110 gearbox/Tcase - Defender Source
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  #1  
Old January 2nd, 2009, 09:37 AM
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S. Smith
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Who rebuilds 110 gearbox/Tcase

I am looking at doing a rebuild of my 110 R380 and LT230 this year. I have some driveline slack and my front TC output bearing needs to be replaced. I am also concerned that the output shaft on the R380 is worn and causing slack there as well. I will need to do the clutch at some point so why not do the whole shebang at once.

I have no experience doing gearbox work, I would like to learn but don't want to be my own guinea pig. Any suggestions that won't cost an arm and a leg?

Thanks.
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  #2  
Old January 2nd, 2009, 10:08 AM
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Mark M
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RoadsideRob on this forum or Rob Dassler of Southwest Rovers. You won't regret it. Mark
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  #3  
Old January 2nd, 2009, 10:50 AM
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+10 for Rob

He does all ours now as it saves shop time vs. us doing it and he is great at it as well.

The last R380 he did for us went into project #214 and was one of the best shifting R380s I have ever driven.
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  #4  
Old January 2nd, 2009, 10:58 AM
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S. Smith
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Thanks for the sterling reference guys, do you think he would let me watch?
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  #5  
Old January 2nd, 2009, 11:04 AM
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Quote:
Originally Posted by ECR
+10 for Rob

He does all ours now as it saves shop time vs. us doing it and he is great at it as well.

The last R380 he did for us went into project #214 and was one of the best shifting R380s I have ever driven.

I second that. The LT77 he did for my Series truck shifts better then my NEW Tdi r380 did out of the box... Go figure..
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  #6  
Old January 2nd, 2009, 12:03 PM
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IMHO unless you need the mainshaft on the R380 due to excessive wear, those are not reasons for a rebuild and even then I would not bother to rebuild the t-case. Just replace the front TC ouput and pull the PTO cover and see if the input/output is worn.

Also, a DIY rebuild on an LT230 is much easier than on an R380.
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  #7  
Old January 2nd, 2009, 12:19 PM
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S. Smith
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I can feel the synchro is wearing on my R380 when I go from 2nd to 3rd. Nothing major but I can feel the gear kick back a little when I put it in third. The slack is my main problem.

Do the R380s have the same output shaft wear problems as the ZF/LT combos do? Because the amount of slack I have is similar to what I experienced in my RRC and I just replaced the stub shaft and input gears with the later cross drilled ones on the rangie.

In looking at the drawings of the R380, it does not have a stub shaft, the mainshaft goes all the way through as I see it.

I am definitely going to pull the PTO cover and see what is up.
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  #8  
Old January 2nd, 2009, 01:19 PM
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Yes, it is not like the ZF.

Also, the newer R380s have 3in splines on the mainshaft so you need to match things up with the newer T-case input. I forget which way it does not work but a 2in and a 3in don't go together; I think it is 2in output and 3in input, but like I said, I forget.

Slack could be a lot of things too. If you need rebuilds, get rebuilds, but make sure you know that is your issue first. I had a disco I was convinced that it had the spline wear. Took off the PTO and it was perfect. Turned out the rear diff was worn.

BTW I have heard nothing but good things about Rob.
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  #9  
Old January 2nd, 2009, 05:31 PM
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J. Michael McCaig
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Another thing to check on 110's is spline wear on the rear axle shafts at the hub ends and the rear outer hubs themselves. Easy to replace and it really made a difference in driveline slack when I replaced mine.
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