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  #1  
Old April 6th, 2013, 10:09 AM
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Gabe salazar
1994 defender 90
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Defender transmission Syncros

Hey guys! I need some direction... My 2nd gear syncro went out in my 1994 Defender and I need to replace it.

Should I replace them all or should I upgrade to an automatic or to the newer manuel trans?
What are the pros and cons?
Btw... Reverse on my current tyranny is to the left and up,If that helps.
Thanks...
,gabedefender
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  #2  
Old April 6th, 2013, 10:56 AM
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Chris Murphy
'89 127 (D130), '16 LR4
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Hi, Gabe.

You still have the original LT77 tranny in your truck. I'm assuming your truck is an NAS 94, and these came in the 93/94 NAS 90s and 110s. They're known for the syncro issue, particularly in/out of 2nd, and most were swapped under warrantee to the then newer R380 by LR dealers way back then if the customers complained, or have been swapped to R380s since.

My 94 had the original LT77 with the same issue when I bought it, and I got used to it and was just careful and patient with shifting. That being said, I did keep my eyes open for an R380 opportunity, and after holding onto one for a long time, I recently had it installed and it's nice to have a solid and smoothly shifting tranny.

Auto swaps are common but expensive, but I appreciate and have fun driving the manual, and I also have an auto 97. You drive a D90, the ultimate man ride. Why remove the man pedal?

You can rebuild (or have rebuilt) your LT77, but if so, do a complete rebuild. You can also swap up to a good new or rebuilt R380 (my recommendation) and this will be in the same price range for a stronger and less grind-prone tranny.

Just my 2c.

Murph
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  #3  
Old April 6th, 2013, 11:05 AM
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John B.
1991 Defender 90, 200TDI
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What fluid are you running? That can help.

They are no harder to rebuild than any other gearbox.
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  #4  
Old May 7th, 2013, 11:58 PM
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Gabe salazar
1994 defender 90
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Not sure what oil I got in there...thanks for all the great info everyone.

I've decided to rebuild my LT77I, heard there were better quality upgraded rebuild parts for the LT77?
Where can I find them?
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  #5  
Old May 8th, 2013, 12:48 AM
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barry f
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Gabe


Who is rebuilding it? I say just take it to southbay autohaus and ask them to put in a r380. The cost of rebuilding a lt77 will probably be the same as replacing with the r380 and in the long run you will be happier with the r380.
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Old May 8th, 2013, 09:13 AM
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Chris Davis
94 NAS D90 6.2LS
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Rob D with SW Rovers is the resident expert on tranny's here-- I'd contact him. His advice on parts (or do the actual rebuild) would be good to get. I opted for a new r380 just cause I fiound a new one cheaper than rebuilding lt lt77, which was a score for me. Lt77 is great tranny and a rebuild is a great choice too.
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Old May 9th, 2013, 03:49 PM
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Gabe salazar
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Thanks for the great advise!
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  #8  
Old May 9th, 2013, 06:29 PM
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1of40
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Quote:
Originally Posted by Gabedefender View Post
Thanks for the great advise!
Gabe, whichever route you take do a little research on proper tranny fluid. There's lots of opinions I'm sure so it'll take some reading before you're convinced which product and type to use. But like everything Rover these things are finicky and tolerances are narrow sometimes.

Good luck
Clay
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