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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Toploader Noise HELP

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Old Jun 2, 2016 | 09:46 PM
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Matthew Crider's Avatar
Matthew Crider
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Toploader Noise HELP

I own a 1981 Ford f100 with a 3-speed with overdrive top loader transmission. This is the transmission with the shift linkages inside the case instead of viable on the side. We recently took the whole transmission apart because I accidentally took the wrong bolt out when doing a fluid change. I accidentally took out the reverse fork bolt and had to take the gears out to get it all back in. Anyway, we put it all back together and now 4th gear gets really noisey after you run it for about 15 minutes. It only makes noise when under load. When I let off the gas, it gets quieter. It sounds like metal sliding against other metal. Can anyone help? I don't know what this tranny is called but it's been hard for me to find information on it. I added some photos below. Thanks so much for your help.


Fourth gear fork is at the top of this pic. It looks to be worn but i cant tell what it'd be wearing on.


 
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Old Jun 2, 2016 | 09:48 PM
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Oh and here's the truck for anyone who loves a stepside :-)
 
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Old Jun 3, 2016 | 07:09 AM
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1986F150six
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Welcome to the forum, Matthew! Oh, and it is Flareside [Ford speak], not stepside [Chebby speak].
 
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Old Jun 5, 2016 | 12:47 PM
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Originally Posted by Matthew Crider
I own a 1981 Ford F100 Flareside with a RUG SR-OD Single Rail 4 Speed Overdrive.

This is the transmission with the shift linkages inside the case instead of viable on the side. We recently took the whole transmission apart because I accidentally took the wrong bolt out when doing a fluid change. I accidentally took out the reverse fork bolt and had to take the gears out to get it all back in. Anyway, we put it all back together and now 4th gear gets really noisy after you run it for about 15 minutes. It only makes noise when under load. When I let off the gas, it gets quieter. It sounds like metal sliding against other metal.
-----------------
 
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Old Jun 7, 2016 | 01:41 PM
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Anyone have any ideas?
 
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Old Jun 7, 2016 | 01:46 PM
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1986F150six
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Originally Posted by Matthew Crider
Anyone have any ideas?

Try this link, Matthew Crider: Clutch, Transmission, Differential, Axle & Transfer Case - Ford Truck Enthusiasts Forums
 
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