1966 Muncie Transmission Removal?
We just finished our dad's 66 and noticed that at the second show the 4 speed Muncie is leaking transmission fluid from the front of the bell housing...Anyone have any ideas on what could cause this and is it difficult to remove while the motor is still in the car? The leak is a small drip that started after we drove the car a mile or so and parked it at the show....Any ideas, just I just try to remove?
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Re: 1966 Muncie Transmission Removal?
Pretty common to leak from the case at the counter shaft hole. You can get it out, but not easy. Take everything off the transmission, slide it back and turn 90 degrees. Lower the rear of the engine and slide it down and out. -
Re: 1966 Muncie Transmission Removal?
Barry,
That leak symptom is more likely associated with the rear seal of the motor leaking than the transmission. Are you sure that it's transmission fluid you are seeing? Is the leak coming from the rear of the bellhousing and running down to the front or is it coming from the bellhousing where the cover has the small notch?
Just a thought!
JRComment
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Re: 1966 Muncie Transmission Removal?
Thanks for the comments - Joe, its not motor oil and it is dripping from the front of the transmission where the transmission and the bell housing are touching and finally dripping off the transmission. Wayne, will the motor need to be lowered as you stated in your post or did you mean the transmission lowered.What type of oil are folks running in the Muncie transmissions .....Thanks BarryComment
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Re: 1966 Muncie Transmission Removal?
Most of the time you have to drop the rear of the engine for the imput shaft to clear the bell housing.Comment
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Re: 1966 Muncie Transmission Removal?
Barry - My 65 Coupe had been hit at every corner before I bought it in '85 and did a body off. Years later the trans acted up and I found that to get it out of the car I had to let the engine down a bit in order for the input shaft to clear. I thought it was due to maybe a bit tighter tunnel clearance as a result of all the 'hits' but later on when I pulled the trans on my 66 Coupe which only got tapped up front on the right side, I still had to let the back end of the engine down in order to get the trans to clear. Those are the only two midyears I've done trans R&R on but suspect letting the back end of the engine down a little bit might be required on most of them to get the manual transmission out.Mike T. - Prescott AZ.Comment
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Re: 1966 Muncie Transmission Removal?
Don't forget tach cable from distributor and maybe distributor removalComment
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Re: 1966 Muncie Transmission Removal?
Removal of ignition shield and distributor cap, unscrew tach cable usually does it. I haven't had to remove distributor. Have a plug to stick in where the tail shaft yoke is. It gives a bit more room than a yoke will. Other option is to just let the tranny spill gear oil all over the floor......Comment
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Re: 1966 Muncie Transmission Removal?
Having struggled with this myself, I would do three things in the future....
1. Have the car on a lift.
2. Rent a extended shaft transmission jack
3. Have at least 2 men to bench press that 120 lbs.
...Not a fun job!Comment
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Re: 1966 Muncie Transmission Removal?
I have never removed the transmission from my 66. I am planning on doing it this winter for a throw out bearing replacement. After reading several of the threads on C2 transmission removal, I am thinking removal of the engine and transmission as a unit may be the best method.
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Re: 1966 Muncie Transmission Removal?
I just finished up a '66 Muncie M-21 10 minutes ago. I have a bunch of pictures if you would like to see something let me know..... This M-21 was in nice shape, the cluster bore was round and the shaft fit tight, they leak at that point a lot. As with most pre '68's there was no oil slinger on this one and I was on the fence about a shim and slinger. I went with the thicker solid slinger over the thinner tang type in the kit. I looked at grinding an additional shim but it was very smooth when done... Another cause could be just over filling it, or a marred up gland nut on the input. The egg shaped hole in the case is usually it though. Good luck.Comment
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1964 Red FI Coupe, DUNTOV '09
Drove the 64 over 5000 miles to three Regionals and the San Jose National, one dust storm and 40 lbs of bugs!Comment
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Re: 1966 Muncie Transmission Removal?
I replaced the clutch, pressure plate, and throw out bearing in my 1968 in 1973 due to my wife slipping the clutch so much since it was a new car. Later in the 80's replaced the throw out bearing that was making noise. This one is still in use today. Did not remove the engine for the replacements, just removed the 4-speed. She did not drive it much after 1973.Comment
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Re: 1966 Muncie Transmission Removal?
Thanks for all the comments - If it was over full where would it leak from? Anyone know how much fluid one could overfill? Its leaked out a quart or so......I am gong to pick it up for another car show this weekend so I guess I have to check the level and deal with the drip....ThanksComment
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