1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Pilot bearing removal with pix

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Old Apr 30, 2006 | 11:27 AM
  #1  
DublyDurty's Avatar
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(ENGINE) Pilot bearing removal with pix

Based on all the "searched" help and info found here for Pilot Bearing removal and installation I took a few pix to help other noobs (who may never have seen or heard of a pilot bearing before). Feel free to make corrections or comments. I learn as I go.

This is not a complete "How to", just a familiarization of the components.



Here's a clutch alignment tool, a new pilot bearing, and an old one. The rollers and cage fell out of the old "race" or casing on the right. (There's an extra new one there too with a yardstick to show the size.)



New (on the left) and old. You can see those important rollers better.



Here's the pilot bearing seal.



A pilot bearing removal tool from JC Whitney for $17.99



I filed the inside edge of the three jaws from flat into sort of a V so the jaws will fit snugly together and fit inside the new pilot bearing. It was too large otherwise and I didn't file the outside of the jaws 'cause I didn't want to lose the "edge grippers".

You can see how they fit in the closed position.



Inserted as if in an intact pilot bearing.



Jaws tightened.



Jaws tightened, side view.



This is what it would look like if you pulled the seal along with the bearing.



Lightly grease the bearing and seal, toss 'em in the freezer in a sealed baggie, and install using a 14mm deep socket and small hammer to tap them into place (first the bearing, then the seal).



DD
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Old Apr 30, 2006 | 03:46 PM
  #2  
LinuxHead's Avatar
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From: Snohomish County, WA
Excellent write-up!

The last time I did the clutch on my 84, I totally shreded the pilot bearing getting it out. I had no
tool like the one you show, and had to get back on the road by the end of the weekend. All of
the rollers came out, but the race was stuck good'n'tight inside the E-shaft. I ended up using a
Dremel to grind through the race (careful not to dig too deep and score the inside of the bore!)
The lesson here: Get the right tools before you start!
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Old Apr 30, 2006 | 04:22 PM
  #3  
Latin270's Avatar
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From: Allentown, PA - Paterson, NJ
* Archives * NIce write up!!!
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Old May 5, 2006 | 03:52 PM
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DublyDurty's Avatar
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More tips

Here are a few additional tips that may be useful.

Depending on your application, if the two "T-bar legs" aren't long enough to extract the pilot bearing [the nut tightens down on the floating T-bar and you can't go any further], slip a 13/16ths deep-well socket over each leg (fits perfectly) to give you that added clearance.



I used a round file to "slightly" enlarge and smooth out the hole in the sliding T-bar so there's no friction (or grabbing against the threads) when you tighten the nut.



I wrapped the clutch alignment tool with two wraps of duct tape to eliminate any freeplay around the tool which results in a better chance of perfect alignment the first time.



Now imagine this during installation.



Oh yeah, and I wrapped the ends of the rod used to tighten the jaws with little pieces of duct tape (see the top of the first picture) so it wouldn't fall out and hit me in the eye (again)

DD
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Old May 6, 2006 | 06:59 AM
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Rotaryhaven's Avatar
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Good writeup guys, I have a friend who modified a similar tool from Harbor Freight. We tried to use it after we screwed up the pilot bearing and it didn't work. Like it was stated previously, have the correct stuff to do it right the first time. I did one recently and lost about five hours time because of the above mentioned.
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Old May 6, 2006 | 10:11 AM
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archive, please.
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