dana 80 vs 10.5 rear clunk wise? - Ford Powerstroke Diesel Forum
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Old 02-27-2010, 05:08 PM
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dana 80 vs 10.5 rear clunk wise?

I have 2 ford dually's. One of which i replaced the rears in allready.(it leaked all fluid out and cooked itself) I bought it that way.
That was dana 80 number 1, I have dana 80's in both trucks now.
My question is, do these rears clunk more then the 10.5 will?
Both work fine, no highway noise, but both clunk when going into drive, or reverse, back to drive etc.
Does the fact that they use spacers instead of crush sleeves contribute to a bit of shaft play? The rear i put inmy wifes had 53k on it. Mine has 118k.
I just find it weird they both have the same clunk. I replaced all u joints and carrier bearings in both. Also retightened everything. I want to stop it.
I know to determine its exact reason for the noise, I would have to take them apart and measure everything. I had an excursion with 120k on it never a rear end noise.
Can anyone please shed somelight on this for me?
thx

Last edited by melmount; 02-27-2010 at 06:57 PM.
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Old 02-27-2010, 06:57 PM
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Heres an email i sent to a tech on here, anyone know? I am not sure he'll see the email for a bit, I am very curious
"I removed the driveshaft and got my impact out and took off the large nut holding the yoke on. I took off the washer too, then used a puller and took off the yoke. Replaced the seal.
On reinstall, i just put the yoke on and used the nut to tork it to 450 foot pounds. I started slowly tightening, rotating the rear with the tires as to make sure i did not bind anything. I used the impact to put it on then best i coul with a large snap o torque wrench tightened it fully.
My question is, was I supposed to, or do you have to use a pinion installer tool first? Not use the nut to install the yoke? I am wondering if using the bolt would not push the yoke down far enough? Did i do it ok. I had no special tool to install the yoke.
thx"
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Old 02-28-2010, 04:12 AM
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bump anyone?
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