96 f350 Shaking Problems - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 7 (permalink) Old 08-27-2017, 11:54 PM Thread Starter
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96 f350 Shaking Problems

Bought a 96 f350 awhile back and doing a full restoration on the truck. Just finished painting the frame. Took the truck for a drive and when i slow down into the low gear, the whole truck shakes. I pulled my foot off the brake to see if it was my rotors and its not. When i get to a higher speed the truck doesnt shake, only when its in a low gear like 1st. I let it coast at like 15mph and it was shaking and then i put it in nuetral and it stopped shaking but i was still moving. Is this my tranny starting to go, fluid needs to be changed or what?? It has a Jasper rebuild from two years ago.
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post #2 of 7 (permalink) Old 08-28-2017, 12:57 AM
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Re: 96 f350 Shaking Problems

This is a tough one to diagnose without being there.

I would start with checking the drivetrain, just get under the truck on a creeper and roll around for a little while. Grab the driveshaft and see if any of the u-joints have play, or if the carrier bearing is shot, see if any bolts are loose ANYWHERE. You'd be amazed at what you might find.


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1996 Cali F350 CCFB, 7.3 PSD, 2wd SAS, w/ 380,000 miles.
New Motor at 352,000, DieselSite Legendary Trans at 356,000 and many more
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post #3 of 7 (permalink) Old 08-28-2017, 01:58 AM
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Re: 96 f350 Shaking Problems

FIRST thing to try is rotating the tires. See if it changes or goes away.

4x4 or 2WD truck?
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post #4 of 7 (permalink) Old 09-04-2017, 02:11 AM
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Re: 96 f350 Shaking Problems

Did you do any suspension mods to rear axle? I'm wondering if u changed your pinion angle at all? Especially if u may have changed rear blocks from OEM. They don't always have the correct taper?

96 F250 CCSB 4x4 E4oD,4.30 gears, 37" tires, 2007 Suspension 160/30, S366 ,Banks IC, Adrenaline, e fuel, AFE, PRECISION TC
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post #5 of 7 (permalink) Old 09-04-2017, 02:12 AM
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Re: 96 f350 Shaking Problems

Or if you have your joints out of phase

96 F250 CCSB 4x4 E4oD,4.30 gears, 37" tires, 2007 Suspension 160/30, S366 ,Banks IC, Adrenaline, e fuel, AFE, PRECISION TC
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post #6 of 7 (permalink) Old 09-04-2017, 02:17 AM
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Re: 96 f350 Shaking Problems

I had a binding feel in my truck at low speed and went under to check u-joints, I found that the four bolts that hold the rear drive shaft to the output shaft on the transfer case were loose. I tightened them up and now it feels much better when starting/stopping and between shifts. Check those four bolts and u-joints for play.
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post #7 of 7 (permalink) Old 09-06-2017, 01:31 AM Thread Starter
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Re: 96 f350 Shaking Problems

Quote:
Originally Posted by ThomasWhite716 View Post
I had a binding feel in my truck at low speed and went under to check u-joints, I found that the four bolts that hold the rear drive shaft to the output shaft on the transfer case were loose. I tightened them up and now it feels much better when starting/stopping and between shifts. Check those four bolts and u-joints for play.

Yes i found out my rear drive shaft ujoint has a lot of play in it, its been sitting and going to sit in my driveway untill i get a new ujoint for it
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