Author Topic: L-43 Tranny leak fix  (Read 1325 times)

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Yotaman80

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L-43 Tranny leak fix
« on: Apr 03, 2009, 09:24:16 AM »
Ive got an l-43 tranny in my 80 mini and it started to leak :thumbdown: out where the shifter rod goes in to the shifter forks on the side cover. I was wondering if there was just a seal in there to replace or do i have to drop the tranny and have it rebuilt for it to get fixed.  :help:
80 Mini Truck-6" springs, Custom Cab Cage, 5150 Bilsteins, 5.29 Yukons, Aussie Locked, Warn M8000, 35"MTRs 5-Points, Diff Breathers, Sliders, Custom Front and Rear bumpers thanks to FATKID
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mudmaster

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Re: L-43 Tranny leak fix
« Reply #1 on: Apr 03, 2009, 11:42:44 AM »
I've been wondering about this too. Mine leaks in the same place. Anyone??
Time to go wheelin!

Marlin

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Re: L-43 Tranny leak fix
« Reply #2 on: Apr 03, 2009, 11:26:28 PM »
Yes, there is a shift shaft seal.

Toyota part #90311-18002.
List price around $4.97.

Since it is a metal clad type seal, (metal housing with a vulcanized nitrile double lip seal), it can be a real bugger to remove.
You need to be extra careful not to damage the 18 mm shift shaft when you carefully pry the seal out of the aluminum shift shaft housing.

Of course, the best way is to remove the side cover assm and replace the seal on the bench.

Also, I have seen many seals damaged upon installation. Be careful that you do not deform the seal when it is installed by driving it in too deep.

I recall making custom removal and installation tools many years ago when the L43 was very popular.

We have the seal in stock if needed, and also check the shifter base rubber bushings, qty 4, and nylon socket for the end of the shift handle.
L43's do not require a shift handle seat. It pivots in the cast iron base.

Marlin
1980 Toyota - 1997 3RZ-FE 2.7l Engine, Turbo R151F 4.31:1, Triple Turbo Marlin Crawler Billet (2.28x4.70x4.70) = 1,148:1 Crawl Ratio, Marlin Crawler Twin Stick and Short Throw Shift Kits, 30mm H/D Output Shaft, High Angle Drive Lines, 5.29:1, ARBs, High Pinion Front, 25mm HD Billet High Steer Kit, 6 Pin Locking Hub Bodies, 86+ Wide Rear End, V6 3rd member, Chromolly Axles all around, 37" IROKs with Beadlocks, York onboard air - Rollbar air tank, Premier Power Welder, Marlin Crawler 4" USA-made Leaf Springs, Bilstein Shocks, et cetera....

Yotaman80 [OP]

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Re: L-43 Tranny leak fix
« Reply #3 on: Apr 04, 2009, 10:23:16 AM »
Thanks a ton Marlin for all your input. If by any chance you would have some pictures or exploded views of the side shifter cover so I can see what im dealing with before I tear it down.
80 Mini Truck-6" springs, Custom Cab Cage, 5150 Bilsteins, 5.29 Yukons, Aussie Locked, Warn M8000, 35"MTRs 5-Points, Diff Breathers, Sliders, Custom Front and Rear bumpers thanks to FATKID
Build Up- http://board.marlincrawler.com/index.php?topic=50320.0

mudmaster

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Re: L-43 Tranny leak fix
« Reply #4 on: Apr 04, 2009, 03:19:54 PM »
Thanks Marlin.
Time to go wheelin!

Marlin

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Re: L-43 Tranny leak fix
« Reply #5 on: Apr 04, 2009, 03:21:32 PM »
I recall making my own seal puller.

I began with a 3" long piece of 1/2" water pipe that was threaded at one end and drilled it out to 18mm.
On the unthreaded end, I welded a 7/16" nut and then after sliding the tool down the 18mm shift shaft, I threaded the 1/2" male pipe thread into the ID of the seal until it began to spin in the aluminum shifter housing.
Using a 7/16" bolt and a 5/8" wrench, I threading in the bolt which pushed upon the end of the shift shaft, and the seal pulled right out. No damage to the shift shaft at all. I was so proud of myself.

Then I made an 18mm bore installation tool to hammer the new seal into place until it bottomed out.
This was preformed on the truck.

I may still have this tool in the L43 parts bin, but I am replying from a hotel room in Tucson, and will not be home until late Sunday.

You can access an exploded pic at: www.toyodiy.com and follow the prompts.

Marlin
« Last Edit: Apr 06, 2009, 02:33:36 AM by Marlin »
1980 Toyota - 1997 3RZ-FE 2.7l Engine, Turbo R151F 4.31:1, Triple Turbo Marlin Crawler Billet (2.28x4.70x4.70) = 1,148:1 Crawl Ratio, Marlin Crawler Twin Stick and Short Throw Shift Kits, 30mm H/D Output Shaft, High Angle Drive Lines, 5.29:1, ARBs, High Pinion Front, 25mm HD Billet High Steer Kit, 6 Pin Locking Hub Bodies, 86+ Wide Rear End, V6 3rd member, Chromolly Axles all around, 37" IROKs with Beadlocks, York onboard air - Rollbar air tank, Premier Power Welder, Marlin Crawler 4" USA-made Leaf Springs, Bilstein Shocks, et cetera....

Yotaman80 [OP]

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Re: L-43 Tranny leak fix
« Reply #6 on: Apr 04, 2009, 07:18:20 PM »
When you get back to the shop and have a chance to check your parts bin, if the tool is still there I would be interested in buy it from you if that is all possible, if not some pictures would be awesome too. Thanks again for the help.

Safe Traveling
80 Mini Truck-6" springs, Custom Cab Cage, 5150 Bilsteins, 5.29 Yukons, Aussie Locked, Warn M8000, 35"MTRs 5-Points, Diff Breathers, Sliders, Custom Front and Rear bumpers thanks to FATKID
Build Up- http://board.marlincrawler.com/index.php?topic=50320.0

Marlin

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Re: L-43 Tranny leak fix
« Reply #7 on: Apr 04, 2009, 09:13:48 PM »
If you only need to use it once, I really see no reason for you to buy it. I would be happy for you to borrow it.
We also have a seal for sell, hint, hint if needed.

I have not personally seen it lately, however, it has to be in the L43 parts box.

I will do my best to take some pics and post then this Monday .

Marlin in Tucson
1980 Toyota - 1997 3RZ-FE 2.7l Engine, Turbo R151F 4.31:1, Triple Turbo Marlin Crawler Billet (2.28x4.70x4.70) = 1,148:1 Crawl Ratio, Marlin Crawler Twin Stick and Short Throw Shift Kits, 30mm H/D Output Shaft, High Angle Drive Lines, 5.29:1, ARBs, High Pinion Front, 25mm HD Billet High Steer Kit, 6 Pin Locking Hub Bodies, 86+ Wide Rear End, V6 3rd member, Chromolly Axles all around, 37" IROKs with Beadlocks, York onboard air - Rollbar air tank, Premier Power Welder, Marlin Crawler 4" USA-made Leaf Springs, Bilstein Shocks, et cetera....

ninja turtle

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Re: L-43 Tranny leak fix
« Reply #8 on: Apr 05, 2009, 07:18:25 AM »
hmmm.. could i get in line if that tool shows up? i would buy the seal from you guys of course.

Yotaman80 [OP]

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Re: L-43 Tranny leak fix
« Reply #9 on: Apr 05, 2009, 09:43:20 AM »
Im ofcourse going to buy the seal from you guys. Ill also get those 4 plastic bushing for the shifter support and the nylon socket at the shifter base to tighten the shifter up. Borrow it will be just as good, then i could use it as a template to build my own trail tool.

Thanks Drew
80 Mini Truck-6" springs, Custom Cab Cage, 5150 Bilsteins, 5.29 Yukons, Aussie Locked, Warn M8000, 35"MTRs 5-Points, Diff Breathers, Sliders, Custom Front and Rear bumpers thanks to FATKID
Build Up- http://board.marlincrawler.com/index.php?topic=50320.0

Marlin

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Re: L-43 Tranny leak fix
« Reply #10 on: Apr 06, 2009, 10:14:26 PM »
A big Thank You to Big Mike for helping his old man out again.

Please find the three pics and you will see my home made tool.
If you are interested in giving my old tool a try, please call the sales office and ask for John.

I will talk to him first thing in the morning.

Marlin
« Last Edit: Apr 06, 2009, 10:55:22 PM by Marlin »
1980 Toyota - 1997 3RZ-FE 2.7l Engine, Turbo R151F 4.31:1, Triple Turbo Marlin Crawler Billet (2.28x4.70x4.70) = 1,148:1 Crawl Ratio, Marlin Crawler Twin Stick and Short Throw Shift Kits, 30mm H/D Output Shaft, High Angle Drive Lines, 5.29:1, ARBs, High Pinion Front, 25mm HD Billet High Steer Kit, 6 Pin Locking Hub Bodies, 86+ Wide Rear End, V6 3rd member, Chromolly Axles all around, 37" IROKs with Beadlocks, York onboard air - Rollbar air tank, Premier Power Welder, Marlin Crawler 4" USA-made Leaf Springs, Bilstein Shocks, et cetera....

Yotaman80 [OP]

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Re: L-43 Tranny leak fix
« Reply #11 on: Apr 22, 2009, 09:39:44 PM »
Finally got around to call and got all the parts comming along with the tools that Marlin so greatfully let me borrow. Fixed the leak and installed some new shifter bushing and a nylon shifter socket.

 :respect:

Thanks a Ton for all the help and for lending me your tools.  :turtle3: :turtle3:
80 Mini Truck-6" springs, Custom Cab Cage, 5150 Bilsteins, 5.29 Yukons, Aussie Locked, Warn M8000, 35"MTRs 5-Points, Diff Breathers, Sliders, Custom Front and Rear bumpers thanks to FATKID
Build Up- http://board.marlincrawler.com/index.php?topic=50320.0

80Toyman

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Re: L-43 Tranny leak fix
« Reply #12 on: Jul 30, 2018, 10:04:27 AM »
I know this is an old thread but I have the same issue on my 1980 Toyota 4x4- does anyone know where I can get a tool or any other way to remove the seal?

 
 
 
 
 

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