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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Trans difficult to get out of gear; hard/grinds going into next gear.

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Old Nov 23, 2020 | 10:17 PM
  #1  
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Trans difficult to get out of gear; hard/grinds going into next gear.

I have 1956 F100 with a 223 and a light duty 3-on-the-tree and starting a week ago for the first time ever it did a very odd thing. It felt like it was stuck in gear and of course I would shove it out of gear and when going to whatever next gear I was looking for, it would either act like it was "blocked" or it would grind quite a bit. I figured maybe the oil was old so I changed it(to 80-90, not remembering what I last used. It hasn't made it better.

The other issue is that it is rather random. It's only now done it three times for the last week--ever. Tonight when off of work, it did it the most times it has done it in a short period, however once I got it warmed up a bit it seemed to not do it.
On the 2 mile trip to the bank, it did it 10-15 times. On the mile trip from bank to grocery it did it only while leaving the bank, never again. On the 6-8 mile trip from grocery to home it didn't do it at all.

I'm guessing a slew of things:
  • clutch not disengaging; clutch only has 30-35k miles, ten years old, no clutch slippage.
  • trans linkages were briefly checked while doing oil change, everything seemed perfectly normal.
  • have not checked clutch linkage


Any ideas, ya'll? Thank you for any input.
 
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Old Nov 23, 2020 | 10:41 PM
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Does it have a ball-bearing pilot, or the bronze oilite bushing? Sounds like a pilot that is on the way out, or the disc is hanging up against the flywheel.
 
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Old Nov 23, 2020 | 10:46 PM
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I **believe** it either has a brushing style pilot, or no pilot at all. If it doesn't have a pilot , it is because that's how I found it upon disassembly. I think it's the bushing though.
 
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Old Nov 24, 2020 | 01:10 AM
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It sounds to me as if the clutch is not disengaging. Check the pedal free play. If there is excessive free play the pressure plate will not release from the disc and will keep everything spinning and that will result in the things you described. It could also be as Ross stated but I honestly have not seen that to be a very common thing. Also check to make sure your linkage has not become bent or messed up somehow as this would also keep the disc from becoming free between the flywheel and pressure plate.
 
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Old Nov 24, 2020 | 08:28 AM
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This is a good start. I will check these when I get home today--truck is not being driven till then
Thank you everyone.
 
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Old Nov 24, 2020 | 09:10 AM
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At idle, when you disengage the clutch, if 1st or reverse grinds when selected either the pilot or the clutch is dragging. If the engagement point of the clutch seems normal to you, then it's probably the pilot. Good News: The trans and clutch on these things take about an hour to remove.
 
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Old Nov 24, 2020 | 09:30 AM
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Yes as steve mentioned your input shaft is continuing to turn most likely for one of the reasoned mentioned .
 
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Old Nov 24, 2020 | 07:07 PM
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I think I found it, it will be the first thing I repair then I'll go down the list.


 
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Old Nov 25, 2020 | 08:36 AM
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Right on . That definitely wasn't helping and very well may be your problem .
 
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Old Nov 25, 2020 | 08:58 AM
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Originally Posted by mOROTBREATH
I think I found it, it will be the first thing I repair then I'll go down the list.

I’m just an uneducated newbie, can you enlighten me? What is that?
 
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Old Nov 25, 2020 | 11:00 AM
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Thanks Bob. When I saw the picture, I was thinking everyone knows what this is but me.

Jim
 
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Old Nov 25, 2020 | 11:06 AM
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It's a chunk of the clutch linkage, with a couple of very worn spots. It's the 7572 part in the drawing below.


 
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Old Nov 25, 2020 | 04:12 PM
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Originally Posted by 52 Merc
It's a chunk of the clutch linkage, with a couple of very worn spots. It's the 7572 part in the drawing below.

Ah... now I see. With that wear it’s likely the clutch isn’t disengaging completely.

This forum is great for learning about these trucks.
 
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Old Nov 25, 2020 | 05:32 PM
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Originally Posted by mOROTBREATH
I think I found it, it will be the first thing I repair then I'll go down the list.

How long did it take to wear like that? And what caused it to wear?
 
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Old Nov 25, 2020 | 06:19 PM
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How long did it take to wear like that? And what caused it to wear?

Those parts have no doubt gone 64 years with no lubrication and lots of use. Old timers would look at that and say, "It is burned up with grease".

About like your hood hinge bolts, Abe.
 
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