Driveline yoke greasing
Fleet Mechanic
Joined: Nov 2005
Posts: 1,508
Likes: 87
From: North Carolina, Raleigh
does that sound like a plan??
you installed zerk as well when shaft was out?
Fleet Mechanic
Joined: Mar 2006
Posts: 1,489
Likes: 50
From: Severance, CO
gotta love new and improved.. So i had a thought.. when you drop the drive line take a hand grinder and get real steady, have someone start the engine and I bet the shaft will spin so you just keep the grinder steady and the shaft rotates while you are pressing grinder to splines..
does that sound like a plan??
does that sound like a plan??
Fleet Mechanic
Joined: Nov 2005
Posts: 1,508
Likes: 87
From: North Carolina, Raleigh
so with the yoke shaft with the center bearing still attached to body and the front shaft still attached to trans will have that much play.. while i have not seen that It seems the yoke shaft should be quite stable.
just asking the question.
just asking the question.
Fleet Mechanic
Joined: Mar 2006
Posts: 1,489
Likes: 50
From: Severance, CO
i personally do not think it will be stable enough with a high speed tool in hand and a running & moving drive train... turning the shaft by hand with engine off would be better....and even better might be having the part on the work bench.
what you had described earlier is just plain sketchy. there is no braking function period on the driveshaft, and when it is disconnected from the rear axle it can spin quite quickly in 1st gear at idle. youtube search broken driveshafts, i would bet you can find some videos...
what you had described earlier is just plain sketchy. there is no braking function period on the driveshaft, and when it is disconnected from the rear axle it can spin quite quickly in 1st gear at idle. youtube search broken driveshafts, i would bet you can find some videos...
Senior User
Joined: Mar 2007
Posts: 491
Likes: 0
From: Kingsland, GA
Grease Info
That Ford grease is a fix that is a problem on most their pick-ups from what I understand late 80's to mid 2000's. I have a friend who specializes in drivelines and works on Ford's quite a bit. He told me that grease has a medium or filler (fiberglass, ground fiberglass or something like that, can't remember) that essentially closes the tolerances in the slip yoke. He gave me some for when I do mine this spring. He says once their done properly, he's only every had to rework one and it was on a lifted 350 who liked mud.
He did tell me that those who don't use it have to regularly service it again.
Disclaimer - It's all second-hand knowledge, but I trust this guy. He has good taste in beer and friends....
He did tell me that those who don't use it have to regularly service it again.
Disclaimer - It's all second-hand knowledge, but I trust this guy. He has good taste in beer and friends....
Fleet Mechanic
Joined: Nov 2005
Posts: 1,508
Likes: 87
From: North Carolina, Raleigh
is that the TSB "ford" grease that has been mentioned or something else .
That Ford grease is a fix that is a problem on most their pick-ups from what I understand late 80's to mid 2000's. I have a friend who specializes in drivelines and works on Ford's quite a bit. He told me that grease has a medium or filler (fiberglass, ground fiberglass or something like that, can't remember) that essentially closes the tolerances in the slip yoke. He gave me some for when I do mine this spring. He says once their done properly, he's only every had to rework one and it was on a lifted 350 who liked mud.
He did tell me that those who don't use it have to regularly service it again.
Disclaimer - It's all second-hand knowledge, but I trust this guy. He has good taste in beer and friends....
He did tell me that those who don't use it have to regularly service it again.
Disclaimer - It's all second-hand knowledge, but I trust this guy. He has good taste in beer and friends....
Senior User
Joined: Mar 2007
Posts: 491
Likes: 0
From: Kingsland, GA
Supposedly the TSB grease. He told me it was a known problem and was worse in rangers and 150's of the late 80's early 90's
Tuned
Joined: May 2012
Posts: 364
Likes: 65
Just thought I would bring this back up to report that I am confident that the "CRC synthetic brake grease with PTFE" should be an excellent substitute for a spline grease. I am on at minimum 3 years (probably more like 5) without the clunk returning. It was easy to find (advanced) and a fraction of the price of the Ford Blue. I think the key thing here may be the PTFE. Anyway, I think this product will work excellent in a pinch and may be as good as anything.
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