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Old 06-24-2016, 06:06 PM   #1
Brianfrench65
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Default Shifting transmission

Driving my car more and more, I keep getting shifting difficulty. Going from 1st to 2nd, I sometimes, cannot get it to go into 2nd or 3rd. It shifts over, however will not go into either gear. Most of the time, if I get it into 2nd, it goes perfect into 3rd. Downshifting from 3rd to 2nd, goes perfect.

I did not rebuild the transmission or the tower. I was told, the shifter is an original rebuilt and replated from a reputable model A parts supplier, and not a reproduction. The forks (I was told) were perfect originals, with nice sharp corners.

It seems to be getting worse, the more I drive. It seems slightly better with the new clutch.

The fluid was changed, when I did the clutch last fall. 50% STP, 50% 600W.

Any suggestions?

Thank You;
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Old 06-24-2016, 06:29 PM   #2
Brentwood Bob
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Default Re: Shifting transmission

Sounds like there are problems with the tower. A worn rivet at the shifting fork will cause the problem of not going into gear.
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Old 06-24-2016, 06:44 PM   #3
Dick Steinkamp
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Default Re: Shifting transmission

By "not going into gear" do you mean it grinds if you try to go into 2nd or 3rd, or that the lever just won't move into the 2nd or 3rd position?
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Old 06-24-2016, 06:46 PM   #4
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Default Re: Shifting transmission

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Originally Posted by Dick Steinkamp View Post
By "not going into gear" do you mean it grinds if you try to go into 2nd or 3rd, or that the lever just won't move into the 2nd or 3rd position?
It just won't move into gear.

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Old 06-24-2016, 06:53 PM   #5
Mitch//pa
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Default Re: Shifting transmission

Could this be related to your speedometer gear issue ...to much end play or a bad bearing as I was thinking before????
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Old 06-24-2016, 07:06 PM   #6
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From my limited experience try thinking about is the clutch set to the appropriate measurements, so it will let the gears slow down? Or there is something worn in the tower, rails or the little ball at the end of the shifter maybe?

Mike
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Old 06-24-2016, 07:06 PM   #7
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Default Re: Shifting transmission

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Originally Posted by Mitch//pa View Post
Could this be related to your speedometer gear issue ...to much end play or a bad bearing as I was thinking before????
Mitch; I did get a housing "9-34", supposed original, and has been working perfectly for 241 miles so far..... I think it was poorly made "turtle" housings.

Going from 2nd to 3rd and back to 2nd is as smooth as silk. If I do a rolling stop, and take off in 2nd, and then shift to 3rd, it is perfect.

Thank You;
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Old 06-24-2016, 07:21 PM   #8
Patrick L.
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Default Re: Shifting transmission

There could very well be a tower issue. The shift lever balls were square over the decades. When moving the lever while the vehicle is moving this requires slow and deliberate movements. From first into second the lever needs to be slid straight forward, then straight right and then straight forward. These can't be shifted in a straight line right from first into second like a more modern vehicle.
That said, other things such the clutch adjustment and engine idle speed need to be correct.
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Old 06-24-2016, 07:29 PM   #9
Tom Wesenberg
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Default Re: Shifting transmission

Do you move the shift lever in a strict H pattern, or do you try to slide through by moving the lever more in an X pattern?

I haven't noticed it on the floor shift Model A's, but a lot of column shift cars would lock up if the parts were worn and you tried to slide the lever through an X pattern rather than a strict H pattern.
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Old 06-24-2016, 07:43 PM   #10
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Default Re: Shifting transmission

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Originally Posted by Tom Wesenberg View Post
Do you move the shift lever in a strict H pattern, or do you try to slide through by moving the lever more in an X pattern?

I haven't noticed it on the floor shift Model A's, but a lot of column shift cars would lock up if the parts were worn and you tried to slide the lever through an X pattern rather than a strict H pattern.
Tom; I will try to be conscious of my technique. I believe I am conforming to the "H" pattern, moving slowly while I am double clutching.

During my Sunday drive I will try and pay close attention to my technique.

Thank You;
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Old 06-24-2016, 07:49 PM   #11
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Default Re: Shifting transmission

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Originally Posted by 1930artdeco View Post
From my limited experience try thinking about is the clutch set to the appropriate measurements, so it will let the gears slow down? Or there is something worn in the tower, rails or the little ball at the end of the shifter maybe?

Mike
Mike; I did the clutch and pressure plate last fall, to get rid of "Horrible" chatter. As it turns out, my pressure plate was .045 out of flatness. That solved the chatter issue.

Sometimes (50% of the time) it shifts just perfect. I will have to watch my technique carefully, and see if I am the cause?? Or if there is something else??

Thank You;
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Old 06-24-2016, 08:05 PM   #12
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Default Re: Shifting transmission

have a 31 that the last owner had put an oil/temp gauge on dash but his hand hit the gauges while shifting into reverse or second..so Einsten bent the lever down and back with all his mite ...guess what it would not shift into second gear after that ..change the tower was the fix.
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Old 06-24-2016, 08:24 PM   #13
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Default Re: Shifting transmission

Have you had the tower off,maybe when you changed the clutch? Sometimes the rails will hang up a little where they slide into the holes in the bellhousing after the top has been re-installed.If that is the case you can just loosen the top cover bolts a little,and sit there and run it through the gears.You will see the top wiggle around while you are doing it.Usually though,that will be a problem trying to shift into first and third.
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Old 06-24-2016, 09:22 PM   #14
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Maybe try borrowing another cover from someone nearby see if the problem goes away.
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Old 06-24-2016, 09:34 PM   #15
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Default Re: Shifting transmission

What are your shift points? wind it up in first, or just use first to bump it off the mark? I never looked at the speed but 1st to 2nd has to be no more than 5 to 7 mph...my opinion only
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Old 06-24-2016, 10:17 PM   #16
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Default Re: Shifting transmission

Brian,
Minerva had REALLY "crisp" shift rail detents. Coming out of or into a gear, just a push on the shifter wouldn't cut it. She was a touchy old gal, she had to have her shifter sorta' SLAPPED, with an open palm, to go out of or into a gear! You know these WOMEN, they got their ways---------------
Bill W.
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Old 06-25-2016, 08:49 AM   #17
Brianfrench65
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Default Re: Shifting transmission

Well..... Thank you all for very good suggestions to remedy my problems.

I will get busy and update this post, when I can.

Thank You All Very Much;
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Old 06-25-2016, 11:55 AM   #18
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Default Re: Shifting transmission

Be careful with the big spring. It can be a real eye opener if it is not contained.

Bob
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Old 06-25-2016, 12:38 PM   #19
Brianfrench65
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Default Re: Shifting transmission

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Originally Posted by Brentwood Bob View Post
Be careful with the big spring. It can be a real eye opener if it is not contained.

Bob
Bob; I learned that lesson. The first tower I took apart, the spring flew out, and it wasn't found until moved, many years later, before I found it.

I now have a tool, which is safe and easy, however I still wear a face shield, and am on full alert.

Thank You;
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Old 06-25-2016, 08:46 PM   #20
Bruce,Upstate NY
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Default Re: Shifting transmission

My pickup got so that going into second on occasion was like hitting a solid wall. New forks, shafts, etc, fixed it. Could try a good tower from another car.
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