Never heard of drive shaft phasing.
Now I know why my old Benz vibrates after replacing the driveshaft bearing. I just slapped it back in without marking it before I pulled it out.
Thank you. Learned. something new.
Weekend project
What’s wrong with my drive shaft?
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Hulld, Jul 18, 2019.
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Now if the press and impact wont budge it a new shaft it gets.
Tiger tool has a nice yoke press I've had my eye on but dont mess with much full round stuff anymore. Everything I see has straps or bolt on yoke caps.
Last edited: Jul 18, 2019
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Well today is my lucky day...
No new driveshaft for me...swaan, Rideandrepair, A5¢ and 3 others Thank this. -
Even got the bearing off in one piece. That happens like 1 outta ten up here in the rust belt. Less its slathered with never sieze.
Rideandrepair, Hulld, x1Heavy and 2 others Thank this. -
The crankshaft on that engine sat on polished bearing surfaces and one day she started to go out of balance. Just a smidgen. Then more and more eventually rattled to a check engine red light all stop. Made it to the shop and they got deep into it. Once they detected just how bad the bearing surfaces had become it's to the salvage yard it went.
Reminds me of that one old short mack from the mid 60's where it's engine was abused to the point of destruction by myself. Company probably totaled it out and issued me another.
A additional question to Mr Hulld would be this. There is a big spline machined gear coming out of the drive shaft on the lower part of your picture Does that have more of it's self inside the drive shaft?Rideandrepair and Hulld Thank this. -
This truck is a perfect example of what I have known for years living in the rust belt of up state NY.
The cost of living here is huge compared to non salt belt areas.
This truck is a 2007 with just shy of 1 million miles on it.
I bought the truck in Waco Texas and it had never been north of Mississippi.
I have had the truck for about 4 years now and it spends its winters in Florida so it has never seen salt.
There is a huge dollar amount associated with living in the salt belt with trying to keep up with repairs on equipment and your daily driver for that matter.
This truck will get three u joints and a carrier bearing and along with a couple hours labor it will be on the road again.
Now if it was run in the salt belt I would probably be looking at countless hours of aggravation heating and then destroying every puller I own only to fail and have to purchase a complete new driveshaft for thousands of dollars.
There certainly has to be a better way then the salt/ liquid calcium they use on the roads in my area during the winter?x1Heavy, swaan and Rideandrepair Thank this. -
x1Heavy and Rideandrepair Thank this.
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That is not what I call a slip yoks, no slip to them, somebody just put it back on wrong when they changed the carrier bearing, PROBABLY. I have seen two different rigs with the driveshafts in backwards from the factory, we turned them both around to where the slip yoke was to the front, and had to turn them back around or they vibrated. It may be possible that it was balanced like that.
I have one of those tiger tools for the u-joints, the only thing I ever found wrong with it,is I should have bought it some 20 years before I did. -
x1Heavy Thanks this.
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Welded that way? As in shade tree get her done?
What is the cost of a replacement shaft? Is that even a consideration?
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