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Herrmann_Sherman
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Joined: Jan 30, 2011
Posts: 94
Location: Germany near Frankfurt/Main
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 Posted: Sun Nov 09, 2014 4:17 pm Post subject: Gearbox installation with or without transfer case on an M38 |
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I´ve removed my T90 transmission (complete). It was not as easy as I thought and I had a lot of work with it. Now I´m thinking about (after cleaning etc.) reassemble. Is it much more easier to assemble at first the gearbox and in an extra step the transfer case with handbrake or should I assemble both together?
Need your opinon, meanwhile I have a pulley...is it necessary to remove all of the covering (metal sheet) in the Jeep? Please note that I don´t have any assistants 
Regards
HS |
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hillbilly21
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Joined: Aug 26, 2005
Posts: 510
Location: North Carolina
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| Posted: Sun Nov 09, 2014 5:23 pm Post subject: TRANNY |
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PERSONAL PREFERENCE ON MY END IS DO BOTH AT THE SAME TIME..
REMOVE ALL FLOOR PANS MAKES ALOT MORE ROOM ...GOOD LUCK |
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BBDE
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Joined: Mar 05, 2008
Posts: 78
Location: Berlin Germany
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| Posted: Mon Nov 10, 2014 3:12 am Post subject: |
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Install both together.
It will be very tricky to install the transfer after the gearbox is installed .
It is much more easier to install the gasket in between, when you do this outside the vehicle.
Note, the transfer will become also a heavy after some time of handling when you laying under your vehicle. To place the screws and the gasket in this situation is not so easy.
And yes, you have to remove the "covering"
Frank |
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skyjeep50
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Joined: Feb 20, 2007
Posts: 606
Location: Illinois
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| Posted: Mon Nov 10, 2014 7:54 am Post subject: |
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My preference has been to remove the engine, trans and all accessories as a unit. The M38 and M38A1 was designed for the power plant to be pulled all together, all accessories and the radiator included. All you need is a engine hoist. Then you can work on components at bench top height, disassemble and assemble as needed and then reinstall the entire power plant as a unit. Yes, you have to pull the floor panels but that isn't that big a job, just takes a little time. Pulling the power unit takes about an hour for one person. Putting it back takes a little little longer but very little of the work is crawling around under the jeep.
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1951 M38 |
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45auto
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Joined: Apr 06, 2005
Posts: 150
Location: Georgia
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| Posted: Mon Nov 10, 2014 10:06 am Post subject: |
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I agree with pulling and installing as a unit, however, I have installed and pulled just the transfer in a CJ2A, 3A ect. I used two 4 inch long 3/8, grade 8 bolts with the heads cut off and with the ends rounded, installed in the top bolt hole locations in the transmission. If you are taking the transfer out, you have control of it as you slide it of the modified bolts and when re-installing, you can have the gasket installed, line up the transfer on the two bolts and slide the transfer back on. Complete installation from there. Since your M38 has removable floor pans, remove them and take advantage of the room and space it gives you. With this method, I found it easier to handle, line up and install the transmission and then install the transfer.
Do note, I am assuming you have the knowledge of what all needs to be taken off, proper handling of a heavy transmission and transfer and you have proper transmission jacks for your use. If not, buy or rent the proper equipment and/or get someone to help you!! While not all that "heavy" outside the jeep, they are very heavy when you are under them!! Think ahead--and be safe!!
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Harold W.
MVPA #6833
1945 GPW
1950 CJV-35/U
1951 M38 1952 M38
1962 USMC Contract M38A1
1953 Strick M100 1967 Johnson M416
1968 CJ5 4-Speed 1969 CJ5 V6 |
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Herrmann_Sherman
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Joined: Jan 30, 2011
Posts: 94
Location: Germany near Frankfurt/Main
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| Posted: Mon Nov 10, 2014 11:41 am Post subject: |
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Many thanks for your ideas.
I´ve taken both of them out and used myself as a Jack...I was under the transfers and was lifting with my arms to get it out 
My idea is now to remove the covering for more space and to use the pulley for to bring BOTH on the right place...I will put them together bevore installing (Gearbox and transfer like Frank said )
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wesk
Site Administrator
Joined: Apr 04, 2005
Posts: 16365
Location: Wisconsin
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| Posted: Mon Nov 10, 2014 12:11 pm Post subject: |
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Once you have the weight attached to your hoist (pulley) it becomes a much easier job under the jeep.
I hope you performed a thorough inspection of the transfer case while it was removed and repaired any issues already? Key areas are the shifter stalks and the output drive flanges. If the shifters are sloppy (loose) and if there is any evidence of gear oil leaks at the drive flanges this is the time to fix them.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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Herrmann_Sherman
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Joined: Jan 30, 2011
Posts: 94
Location: Germany near Frankfurt/Main
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| Posted: Sun Nov 16, 2014 10:09 am Post subject: |
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Another question is:
Is it easy to remove the shift levers and replace them after the transmission is back on place? This would help me a lot...  |
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wesk
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Location: Wisconsin
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4x4M38
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Location: Texas Hill Country
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wesk
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