Shift Fork trouble
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- G-Command Sergeant Major
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Shift Fork trouble
I am in the process of tearing down my T84 and have run into a problem. While disassembling my T84 I was removing the Allen screws on the Low & Reverse Shift Fork and the Allen wrench slipped and there is now no way to remove the screw. Any ideas on removal?
Tate Christensen
1944 Ford GPW #234613 USMC Radio jeep
1943 Willys MB #263100
1945 Willys CJ2A #10226
1941 Ford GP #9687
1941 Willys MB #100161
1944 Ford GPW #234613 USMC Radio jeep
1943 Willys MB #263100
1945 Willys CJ2A #10226
1941 Ford GP #9687
1941 Willys MB #100161
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- Sergeant Major of the Gee
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Re: Shift Fork trouble
Hi just a idea drill out and try a easy out bit , if you drill out carefully what is left might come out ,,, all the best colin in france
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- Jeep Heaven
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Re: Shift Fork trouble
Have you tried the correct "fluted" wrench?
Order from Ron or to your local machine shop tool supplier and purchase a 0.183" Diameter "Fluted Wrench" It will have 6 Flutes.
Originals required the use of a fluted wrench. Many assume that the screw has an allen socket. Over the years there were civilian marketed replacements that were indeed allen sockets, best to carefully clean the screw head. It will be very evident which you have.
Sometimes we Jeep owners get lucky and an allen wrench will loosen the fluted set screw, we get unlucky when the wrench does not get a grip and the persistent "mechanic" keeps trying while chewing off the edges of the flutes.
STOP-go no further, get a 0.183 Fluted Wrench!
Order from Ron or to your local machine shop tool supplier and purchase a 0.183" Diameter "Fluted Wrench" It will have 6 Flutes.
Originals required the use of a fluted wrench. Many assume that the screw has an allen socket. Over the years there were civilian marketed replacements that were indeed allen sockets, best to carefully clean the screw head. It will be very evident which you have.
Sometimes we Jeep owners get lucky and an allen wrench will loosen the fluted set screw, we get unlucky when the wrench does not get a grip and the persistent "mechanic" keeps trying while chewing off the edges of the flutes.
STOP-go no further, get a 0.183 Fluted Wrench!
2011 MVPA PIONEER AWARD - MVPA #1064
HONOR GRAD-WHEELED VEHICLE MECHANIC SCHOOL 1960 - US ARMY ORDNANCE SCHOOL(MACHINIST) ABERDEEN PG 1962 - O-1 BIRD DOG CREWCHIEF - 300,000+TROUBLE FREE M-38A1 MILES
LIFE MEMBER AM LEGION-40/8-DAV
7 MIL SPEC MAINTAINED MV'S
COL. BRUNO BROOKS (ARMY MOTORS) IS MY HERO
HONOR GRAD-WHEELED VEHICLE MECHANIC SCHOOL 1960 - US ARMY ORDNANCE SCHOOL(MACHINIST) ABERDEEN PG 1962 - O-1 BIRD DOG CREWCHIEF - 300,000+TROUBLE FREE M-38A1 MILES
LIFE MEMBER AM LEGION-40/8-DAV
7 MIL SPEC MAINTAINED MV'S
COL. BRUNO BROOKS (ARMY MOTORS) IS MY HERO
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- G-Major General
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Re: Shift Fork trouble
Packer has the idea-an easy out should do it. BUT....you must drill the hole so it does not injure the fork threads so beware, take your time.
As in John Barton's transmission tutorial, a slightly ground down Torks T-27 socket will also work. I did that and it worked for me. Make sure the side of the socket that goes into the fork screw is flat so it can go down fully to get a good grab on it. Use Allen screws next time.
As in John Barton's transmission tutorial, a slightly ground down Torks T-27 socket will also work. I did that and it worked for me. Make sure the side of the socket that goes into the fork screw is flat so it can go down fully to get a good grab on it. Use Allen screws next time.
Dino Falabrino
On the "G" since 1998.
1943 GPW 102310 DOD 3-3-43
1928 Model A Roadster Pickup
1930 Model A Tudor
1968 Taco Minibike
On the "G" since 1998.
1943 GPW 102310 DOD 3-3-43
1928 Model A Roadster Pickup
1930 Model A Tudor
1968 Taco Minibike
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- Jeep Heaven
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Re: Shift Fork trouble
Fluted wrenches are available in bulk.
2011 MVPA PIONEER AWARD - MVPA #1064
HONOR GRAD-WHEELED VEHICLE MECHANIC SCHOOL 1960 - US ARMY ORDNANCE SCHOOL(MACHINIST) ABERDEEN PG 1962 - O-1 BIRD DOG CREWCHIEF - 300,000+TROUBLE FREE M-38A1 MILES
LIFE MEMBER AM LEGION-40/8-DAV
7 MIL SPEC MAINTAINED MV'S
COL. BRUNO BROOKS (ARMY MOTORS) IS MY HERO
HONOR GRAD-WHEELED VEHICLE MECHANIC SCHOOL 1960 - US ARMY ORDNANCE SCHOOL(MACHINIST) ABERDEEN PG 1962 - O-1 BIRD DOG CREWCHIEF - 300,000+TROUBLE FREE M-38A1 MILES
LIFE MEMBER AM LEGION-40/8-DAV
7 MIL SPEC MAINTAINED MV'S
COL. BRUNO BROOKS (ARMY MOTORS) IS MY HERO
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- G-Colonel
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Re: Shift Fork trouble
The fluted wrench is listed as a 'bristol wrench'. As Ben says, if a hex wrench hasn't worn off much of the internal shape of the head, the bristol wrench will successfully get it out.
And as the screw is very hard, it sometimes hasn't much worn off- more wears off the allen key. Because of their hardness, these screws are notoriously hard to drill, and even if drilled and an ezy-out fitted, they are usually so tightly installed (they're tapered), the extractor will slip or break off.
And if yours is truly a hex head screw and it's rounded, I wish you luck!
Pic: Bristol vs. hex key
Pic: One man's solution (not mine) to the problem.)
And as the screw is very hard, it sometimes hasn't much worn off- more wears off the allen key. Because of their hardness, these screws are notoriously hard to drill, and even if drilled and an ezy-out fitted, they are usually so tightly installed (they're tapered), the extractor will slip or break off.
And if yours is truly a hex head screw and it's rounded, I wish you luck!
Pic: Bristol vs. hex key
Pic: One man's solution (not mine) to the problem.)
"The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt"..Bertrand Russell
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Re: Shift Fork trouble
Don't forget to use heat from a propane torch followed by PB blaster, etc. followed by heat, etc. several times. I've found mostly everything eventually gives in to this process. There is another cold penetrant spray that works well by using cold spray. Can't remember the name, and it smells bad when used, but it works. Good luck.
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- G-Colonel
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Re: Shift Fork trouble
If all else fails, there are places that use a 'spark eroder' to electrically burn away broken bolts. But they look expensive. Maybe not so. It might cost more than the shift fork and rail is worth.
"The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt"..Bertrand Russell
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- Jeep Heaven
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Re: Shift Fork trouble
Be patient and get a fluted wrench.
2011 MVPA PIONEER AWARD - MVPA #1064
HONOR GRAD-WHEELED VEHICLE MECHANIC SCHOOL 1960 - US ARMY ORDNANCE SCHOOL(MACHINIST) ABERDEEN PG 1962 - O-1 BIRD DOG CREWCHIEF - 300,000+TROUBLE FREE M-38A1 MILES
LIFE MEMBER AM LEGION-40/8-DAV
7 MIL SPEC MAINTAINED MV'S
COL. BRUNO BROOKS (ARMY MOTORS) IS MY HERO
HONOR GRAD-WHEELED VEHICLE MECHANIC SCHOOL 1960 - US ARMY ORDNANCE SCHOOL(MACHINIST) ABERDEEN PG 1962 - O-1 BIRD DOG CREWCHIEF - 300,000+TROUBLE FREE M-38A1 MILES
LIFE MEMBER AM LEGION-40/8-DAV
7 MIL SPEC MAINTAINED MV'S
COL. BRUNO BROOKS (ARMY MOTORS) IS MY HERO
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- G-Colonel
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Re: Shift Fork trouble
If you have to remove one of these, this the best $5 you'll ever spend...
https://www.vintagejeeps.com/p-1243-too ... a1492.aspx
https://www.vintagejeeps.com/p-1243-too ... a1492.aspx
1943 MB 213301 DOD 2-22-43
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