Throw out bearing |
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NJLMT
Member Joined: 18 Nov. 2017 Location: Hardin, MT Status: Offline Points: 92 |
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Posted: 25 Dec. 2019 at 7:00am |
Hi, sorry if this has been discussed before, but I could not find it. Please direct me if it's already been discussed. I just put my motor back in my 47 as well as a new clutch kit. It shifts fine, but the throw out bearing always spins ( looking through inspection plate). The old one worked okay before I pulled the motor, but I didn't know it's age so I figured I should replace it while I was in there. I believe there is supposed to be a gap of 1/16 of an inch when it's not engaged, which I must not have? I have adjusted the clutch cable both ways and no luck? Any ideas or thoughts? Thanks in advance.
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Oilleaker1
Member Joined: 06 Sep. 2011 Location: Black Hills, SD Status: Offline Points: 4412 |
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The clutch cable that goes into the bell has a adjuster on one end . There should be a clutch arm return spring between the hole in the arm below the floor back to the cross member location. You should be able to adjust it to give some play in the petal which in turn provides play at the throw out bearing. On mine , I replaced the metal rod with two 90's that hooks to the cross shaft with a new rod that has two clevices and pins. This allows even more adjustment on each end since it's threaded with jam nuts. You can make this rod with a piece of 5/16 solid rod and a tap and die set. Those original rods with a bent 90 wear our quickly. John
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Green Disease, Jeeps, Old Iron!
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NJLMT
Member Joined: 18 Nov. 2017 Location: Hardin, MT Status: Offline Points: 92 |
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Hi John, thanks for getting back to me. I adjusted cable so there is almost a little slack in it thinking this would allow the fork and bearing to come back as far as possible. Am I thinking about this the right way? I will check out the return spring and rods today! Have a Merry Christmas
Nick
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Oilleaker1
Member Joined: 06 Sep. 2011 Location: Black Hills, SD Status: Offline Points: 4412 |
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Nick , your clutch petal at the floor should be up against the floor and have free play forward of a inch or so. The return spring pulls it there. You should be able to also feel some movement on the pull cable that moves the clutch fork inside the bell. That would indicate the throw out is not tight against the pressure plate fingers. A pain, but you could remove the shifter cover on the floor, and remove the oval inspection plate at the top of the bell, and see it. It only needs to clear the fingers by 1/16 to a 1/8 inch. There should also be a small return spring hooked to the throw out bearing collar that slides this collar back on the front bearing retainer. Hope this helps. Enjoy your holiday. John
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Green Disease, Jeeps, Old Iron!
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flatfender47
Member Sponsor Member Joined: 09 Jan. 2006 Location: Riverside CA Status: Offline Points: 647 |
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You will get the clearance as the disc wears or breaks in.
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1947 CJ2A 225V6 SM420 D30 PLok/D44 D/Locker Warn OD 5:38s
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WKWillys
Member Joined: 23 Jan. 2018 Location: State College Status: Offline Points: 210 |
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TTwo possibilities if all else fails: 1) is the TO bearing pressed all the way onto the carrier, and 2) is the carrier sliding all the way back on the tranny bearing retainer.
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'48 CJ2a "Snakeskin"
'50 M38 "Thunder from Heaven" '52 M38a1 "Patina" '47 T3c '48 T3c '52 M100 |
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Bruce W
Member Joined: 29 July 2005 Location: Northeast Colorado Status: Offline Points: 9652 |
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Not true. Clearance goes away as the disc wears. BW
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It is NOT a Jeep Willys! It is a Willys jeep.
Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You! We Have Miles to Jeep, Before We Sleep. |
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NJLMT
Member Joined: 18 Nov. 2017 Location: Hardin, MT Status: Offline Points: 92 |
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Hi, pressed bearing on and thought it was all the way? With it pressed on, the total length front to back was the same as the old one? I unhooked the clutch pedal and pushed the lever all the the way into firewall trying to get a little more movement without luck. I tried to take a pry bar in the inspection plate and push the the whole assembly back a little. Still no luck. I must have installed something incorrectly? It drives and shifts fine, just not much play in pedal. Any problem running as is, knowing I will wear out the bearing faster than it should?
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Oilleaker1
Member Joined: 06 Sep. 2011 Location: Black Hills, SD Status: Offline Points: 4412 |
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It will cause you to have to pull the transmission when it wears out, which won't be long. Disconnect the clutch cable and see if the little spring will pull the throw out all the way back. If so, your linkage leading to the pedal has a problem somewhere in adjustment.
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Green Disease, Jeeps, Old Iron!
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NJLMT
Member Joined: 18 Nov. 2017 Location: Hardin, MT Status: Offline Points: 92 |
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Ok, will do. I will let you know what I find out. Thanks!
Nick
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Bruce W
Member Joined: 29 July 2005 Location: Northeast Colorado Status: Offline Points: 9652 |
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Also could cause unnoticeable slippage in the clutch, which would wear the clutch disc and possibly damage the pressure plate and flywheel. It won’t stay unnoticeable for long, though. BW
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It is NOT a Jeep Willys! It is a Willys jeep.
Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You! We Have Miles to Jeep, Before We Sleep. |
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SE Kansas 46 CJ-2A
Member Sponsor Member x 3 Joined: 22 Jan. 2016 Location: S.E. Kansas Status: Offline Points: 3192 |
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Often there is binding that can cause a throwout bearing to not completely separate from the pressure plate forks because of the pedal shaft (A-495) binding in the frame bushing. You might investigate this to see if it is binding or has excessive slop.
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46 CJ-2A #64462 "Ol' Red" (bought April 1969)(second owner)(12 V, 11" brakes, M-38 frame, MD Juan tub)
U.S. Coast Guard Chief Petty Officer(ret.) U.S. Army Vietnam veteran and damned proud of it. |
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NJLMT
Member Joined: 18 Nov. 2017 Location: Hardin, MT Status: Offline Points: 92 |
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Ok, hopefully something in linkage. Sounds like I may be pulling the transmission if not. This is first vehicle I've done more than maintenance and simple repairs on. I'm learning a lot the hard way! It's been fun though, something to keep me busy during the long winter nights here in Montana
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dasvis
Member Sponsor Member Joined: 07 Sep. 2019 Location: Salem, Oregon Status: Offline Points: 1550 |
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If you tear it apart again, take a good look at the front bearing retainer & the bearing collar for excessive wear too. Perhaps it's not sliding freely on the retainer nose.
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1947 CJ2A #88659 "Rat Patrol"
1953 CJ3A #453-GB1 11266 "Black Beauty" 1964 Thunderbird convertible ..... & one of them moves under it's own power!! |
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Steelyard Blues
Member Joined: 09 Oct. 2017 Location: Reno, NV Status: Offline Points: 1500 |
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Did you replace the clutch cable? There has been an issue with the lengths of new cables. It happened to me. I could not use the replacement since it was about an inch shorter.
Micah
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1947 CJ2A 106327, Engine J109205, Tub 97077. Luzon Red
https://www.thecj2apage.com/forums/steelyard-blues_topic41024_post397981.html?KW=micah+movie#397981 1965 Johnson Furnace Company M416 #6-1577 |
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NJLMT
Member Joined: 18 Nov. 2017 Location: Hardin, MT Status: Offline Points: 92 |
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Well it's definitely in linkage oilleaker1. When I undo the cable the bearing slides back easily on its own. So it looks like I won't have to pull the transmission! I will check all the suggested linkage and see if I can get it fixed up. Thanks everyone for all the help! Much appreciated.
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Oilleaker1
Member Joined: 06 Sep. 2011 Location: Black Hills, SD Status: Offline Points: 4412 |
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Make sure your cross shaft with the two arms is not installed backwards. The spring loaded end goes on the transmission ball pivot. Those two arms are of different length. I'd buy two 5/16 clevices and pins and get rid of the rod with the two 90's while in there. It's a huge improvement and also gives you the opportunity for more adjustment.
Glad you don't have to pull it back out. A relief for sure. Oilly
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Green Disease, Jeeps, Old Iron!
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NJLMT
Member Joined: 18 Nov. 2017 Location: Hardin, MT Status: Offline Points: 92 |
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Sounds good, do happen to have a picture of how yours is set up?
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