do clutch splines get grease?
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Tuned
Joined: May 2020
Posts: 336
Likes: 56
From: Rio Grande Valley, NM
do clutch splines get grease?
Putting a new clutch between my Y-block and T98 transmission. The 1955 and 1959 carefully avoid mentioning grease on the splines of the clutch disc and transmission input shaft. The Duralast generic installation instruction talk about a small amount of spline grease from the provided packet. But no packet was in the box.
What is correct here? No grease? grease?
Thanks
What is correct here? No grease? grease?
Thanks
Logistics Pro
Joined: Feb 2005
Posts: 3,952
Likes: 117
From: Upper Left Coast
Howdy,
My 57 Ford and 1954-55 truck manuals don't mention greasing the input shaft or clutch hub splines (at least I couldn't find it)
But a little look around the internet put me to a ZF site that indicates you should.
https://aftermarket.zf.com/us/en/sac...he-hub-spline/
I would grease it. But use VERY little grease to do it. Centrifugal forces are significant and any excess grease in there WILL end up on the clutch plate material.
I have mercruiser Out Drive spline grease, but any good wheel bearing grease is probably ok. a thin coating is fine. NO GLOBS.....
Cheers,
Rick
My 57 Ford and 1954-55 truck manuals don't mention greasing the input shaft or clutch hub splines (at least I couldn't find it)
But a little look around the internet put me to a ZF site that indicates you should.
https://aftermarket.zf.com/us/en/sac...he-hub-spline/
I would grease it. But use VERY little grease to do it. Centrifugal forces are significant and any excess grease in there WILL end up on the clutch plate material.
I have mercruiser Out Drive spline grease, but any good wheel bearing grease is probably ok. a thin coating is fine. NO GLOBS.....
Cheers,
Rick
Logistics Pro
Joined: Feb 2005
Posts: 3,952
Likes: 117
From: Upper Left Coast
Here's another article that says it better than I can....and describes why one should grease the splines!
https://cvwmagazine.co.uk/best-pract...line-greasing/
https://cvwmagazine.co.uk/best-pract...line-greasing/
Fleet Mechanic
Joined: Nov 2006
Posts: 1,664
Likes: 219
From: Northwest
My personal preference is to very lightly grease. Rust inhibitor, lube for disc to move on splines during operation and helps when stabbing the nose into the disc and bearing / bushing in the flywheel.
Thread Starter
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Tuned
Joined: May 2020
Posts: 336
Likes: 56
From: Rio Grande Valley, NM
Thanks all. Greasing fits with my inclination as well. I was just surprised that both manuals don't mention it while going into detail on lubrication of the pilot bearing/bushing and, on bigger trucks, dabbing a bit of grease inside the pressure plate assembly where it takes the rotational load. I have a high-temp clingy grease in-stock that will do the job well.
By the way, if one polls the internet-at-large on this topic, all sorts of crazy practices pop up.
By the way, if one polls the internet-at-large on this topic, all sorts of crazy practices pop up.
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