Pilot bearing
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Elder User
Joined: May 2001
Posts: 692
Likes: 1
From: Coon Rapids, MN
Pilot bearing
I am having trouble removing the pilot bearing. I am replacing the clutch in my truck with a LUK rep set gold. There is a little ledge around the outside of the bearing but it is very weak and begines to colapse when I pry on it. A friend of mine said to pound it out but I don't see how that is possible since you have to pull it out from the transmition side not the other way around. I was thinking maybe there is something to grab the inside with. I know there are pilot bearing pullers but the same friend said his wouldn't grab the inside of the bearing. I think I might be missing something on how to remove these. My chiltons doesn't even talk about a pilot bearing!! Thanks
Posting Guru
Joined: Jan 2001
Posts: 1,124
Likes: 1
From: Rural Florida Panhandle
Pilot bearing
The pilot bearing pullers will pull it out.
There are two other ways to do it.
I have acutally drilled and tapped two 6-32 holes on each side of the thick part of the bearing, used a large washer with two holes for the 6-32 screws, put a bolt in the center and use it for a puller. Lot's of work though.
I have also read that if you pack the hole with thick grease, then use a rod (bolt or something else solid) the same diameter as the transmission shaft where if goes in the bearing, and hit it with swift blows with a hammer, it will force the bearing out.
I have not tried this, but have read about it more than once.
Winford
There are two other ways to do it.
I have acutally drilled and tapped two 6-32 holes on each side of the thick part of the bearing, used a large washer with two holes for the 6-32 screws, put a bolt in the center and use it for a puller. Lot's of work though.
I have also read that if you pack the hole with thick grease, then use a rod (bolt or something else solid) the same diameter as the transmission shaft where if goes in the bearing, and hit it with swift blows with a hammer, it will force the bearing out.
I have not tried this, but have read about it more than once.
Winford
Thread Starter
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Elder User
Joined: May 2001
Posts: 692
Likes: 1
From: Coon Rapids, MN
Pilot bearing
OK, tonight I will try some of that because last night I went and borrowed a puller and I couldn't get it out. The puller just crushed the inside ends of the bearing and kept slipping. Those teeth on the puller arn't so strong in the first place. Im kinda surprised I didn't break the thing.
Elder User
Joined: Feb 2000
Posts: 601
Likes: 1
From: South Sioux City, NE USA
Pilot bearing
I had the same problem a few years ago. We tried everything, ended up cutting the old bearing out with a chisel. If it comes to that, be very careful not to hit the crank.
Roger Lane
Roger Lane
Posting Guru
Joined: Jan 2001
Posts: 1,124
Likes: 1
From: Rural Florida Panhandle
Pilot bearing
Is it a roller bearing or a bushing? Even if it's a roller, you can still pull the entire large sleeve out, using the drill and tap method.
I will try to get some pics of my rig tonight.
I recently replaced the one in my 91 explorer, to find that it is pressed into the flywheel, instead of the crankshaft. Makes it much easier, but you have to pull the flywheel (if you don't want to use a puller).
With the drill and tap method, I carefully drilled two small holes in the flange of the pilot bushing. Then I tapped them with 6-32 threads. Then I drilled two matching holes in a large flat washer to approximately match the two holes in the flange. Then I put a 1/2" bolt through the washer with a nut on the back side, put 6-32 screws through the washer into the threads in the bushing, then, holding the nut on the back of the washer, tightened the bolt. It pulled the bushing. I have done this more than once.
The simplist thing to try is the grease splatter method I mentioned earlier.
Winford
I will try to get some pics of my rig tonight.
I recently replaced the one in my 91 explorer, to find that it is pressed into the flywheel, instead of the crankshaft. Makes it much easier, but you have to pull the flywheel (if you don't want to use a puller).
With the drill and tap method, I carefully drilled two small holes in the flange of the pilot bushing. Then I tapped them with 6-32 threads. Then I drilled two matching holes in a large flat washer to approximately match the two holes in the flange. Then I put a 1/2" bolt through the washer with a nut on the back side, put 6-32 screws through the washer into the threads in the bushing, then, holding the nut on the back of the washer, tightened the bolt. It pulled the bushing. I have done this more than once.
The simplist thing to try is the grease splatter method I mentioned earlier.
Winford
Post Fiend
Joined: Jan 2000
Posts: 5,860
Likes: 4
From: Metro Detroit (Redford)
Pilot bearing
>I had the same problem a few years ago. We tried
>everything, ended up cutting the old bearing out with a
>chisel. If it comes to that, be very careful not to hit the
>crank.
>
>Roger Lane
Yeah, on my '84 300 I6 the pilot bearing was changed for the first time in '98 at about 160,000 miles. Mechanic had to take it out in pieces.
>everything, ended up cutting the old bearing out with a
>chisel. If it comes to that, be very careful not to hit the
>crank.
>
>Roger Lane
Yeah, on my '84 300 I6 the pilot bearing was changed for the first time in '98 at about 160,000 miles. Mechanic had to take it out in pieces.
Senior User
Joined: Feb 2002
Posts: 470
Likes: 1
From: Mount Prospect, IL
Pilot bearing
I end up using lanero's method. usually works for me..and of course be careful not to scuff crank.
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Thread Starter
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Elder User
Joined: May 2001
Posts: 692
Likes: 1
From: Coon Rapids, MN
Pilot bearing
oh jeeze did that turn out easy! My pilot bearing is in the crank not the flywheel so I filled the whole with greese and found the appropriate sized bolt. Put the end of the bolt into the whole and gave it a whack with the hammer. I popped right out in 3 tries. I never thought it could be so easy. I guess with this method you can basically hit it as hard as you need in order to get the bearing out. Thanks for all the suggestions, I really appreciate it much. As a sidenote, I was planning on replacing the rubber shift plugs in the trans and I called the dealer a while back and they said they had them along with a new rear main seal. I went in 2 days ago and they said they have never carried either. Go figure. They also jacked the price of a slave cylindar up 80 bucks. lol Im still hitting myself for not going down there and buying that stuff the day I called. so it turned out all I bought was a new speedo gear to change for my big tires. I think they had me go with a larger toothed one. Anyway, thanks for the help.
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