U joints
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Senior User
Joined: Jan 2009
Posts: 188
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From: Tennessee
In lieu of having a micrometer the caps need to fit the holes as follows.
Rear Shaft -1 1/8
Rear to U-bolt - 1''
Front Shaft - 1 1/8
Tranny yoke - 1 1/8
all these are press fit , not with the spring clip thats supposed to go in there. the u joints I have right now are too big to press into the holes and allow the clips to go in
Rear Shaft -1 1/8
Rear to U-bolt - 1''
Front Shaft - 1 1/8
Tranny yoke - 1 1/8
all these are press fit , not with the spring clip thats supposed to go in there. the u joints I have right now are too big to press into the holes and allow the clips to go in
Thread Starter
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Senior User
Joined: Jan 2009
Posts: 188
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From: Tennessee
and that exactly what autosmack gave me.... 1 with 3 of each sizes.. but they claim its all they carry so now I need to find a parts store that carries 1.125 press fit caps and eliminate the snap rings
Posting Guru
Joined: Jan 2009
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From: Mattawa Washington.
All else fails your idea to take the old one in will get you the part your after. I am partial to napa or other big name supplier they can get the right part with a caliper measurment of the caps and width of the cross.
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Senior User
Joined: Jan 2009
Posts: 188
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From: Tennessee
yeah I think im going to return the "Brute Force" u joints to AZ and take the shaft to Napa to have em check the sizes and see what they have. last thing I need is to have the driveshaft fall out on me when driving
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Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
Ford part number: C3AZ4635L / Timken part number: 51203 .. U-Joint
#1330 / 3 5/8" span / Inside Locks (Mechanics aka Cleveland Design)
Cup O.D. (4) 1 1/16" // Cup I.D. (4) 11/16"
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Ford part number: C3AZ4635H / Timken part number: 51204 / Dana-Spicer part number: 5409X .. U-Joint
#1330 / 3 5/8" span / Inside Locks (Mechanics aka Cleveland Design)
Cup O.D. (2) 1 1/16" (2) 1 1/8" // Cup I.D. (4) 11/16"
Info source: 1980/89 Ford Light Truck Parts Catalog ~ Driveshaft Application Charts ~ Text ~ Section 46.2, Page 12.
In order to find the correct U-Joints, you first have to look up the correct driveshaft. This is why I needed the exact wheelbase.
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Joined: Jan 2001
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From: Virginia
The Napa guys should be able to help you. I have mis-matched driveshafts and changed trannies before, and they have a Spicer book that has all kinds of weird adapter U-joints with all the measurements.
I used a old early 70's bronco slip joint assembly in the front driveshaft of my 80, and they had a u-joint that was narrow one way, and wide the other way to make it fit. If that u-joint ever goes out, that poor guy will be doing the same thing you are.
I used a old early 70's bronco slip joint assembly in the front driveshaft of my 80, and they had a u-joint that was narrow one way, and wide the other way to make it fit. If that u-joint ever goes out, that poor guy will be doing the same thing you are.
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Senior User
Joined: Jan 2009
Posts: 188
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From: Tennessee
yep Napa has both but they have to order the front one, they have 3 of the rear ones in stock. someone should sticky this thread incase they ever run into this @#$%pile of a problem lol