inner cam bearings TC 88
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Cruiser
Joined: Dec 2014
Posts: 136
Likes: 11
From: Greenville, SC
inner cam bearings TC 88
I am looking for input if I should change the inner cam bearings while changing to hydraulic cam chain tensioners. I would need to buy the tool to remove the bearings and the Torrington bearings. Estimate is another 100 bucks plus my time. Are the stock bearings that bad that they should be replaced at 20K miles?
Road Warrior
Joined: Aug 2015
Posts: 1,712
Likes: 410
From: Puyallup, WA
The stock INA bearings have a history of failure. And when they fail, it''s catastrophic. Spend the $100 bucks on a tool, far cheaper than a new motor. When you buy the Torrignton's, compare; you'll see the difference.
Banned
Joined: Jul 2009
Posts: 7,406
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From: Straight Jacket Memories and Sedative Highs
Its not like it is a 20 minute job to pull cam plate. I would replace them. I might do lifters too. Not open it back up for a long time.
When I openned mine up to do gears, 01, I replaced all 6 bearings, and lifters.
When I openned mine up to do gears, 01, I replaced all 6 bearings, and lifters.
Banned
Joined: Jul 2009
Posts: 7,406
Likes: 834
From: Straight Jacket Memories and Sedative Highs
I know a plant mechanic that used blind puller. Then used old cams to tap new ones in. I can't say for sure, but he probaby had learned how on other peoples equipment. I used George garage tools Though now a days I think there are other options. Not that his were bad.
Outstanding HDF Member
Joined: Jan 2014
Posts: 2,181
Likes: 488
From: Central California
Agree with the others. A little extra money and effort for extra peace of mind.
Imagine for a moment......
You get 'er all buttoned up, running sweet. You're patting yourself on the back for saving a few bucks. Then you hear a noise........
Imagine for a moment......
You get 'er all buttoned up, running sweet. You're patting yourself on the back for saving a few bucks. Then you hear a noise........
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Banned
Joined: Jul 2009
Posts: 7,406
Likes: 834
From: Straight Jacket Memories and Sedative Highs
For me, it is not having to do it again in a few year. Its a bit of work to pull this apart. If you are paying, then a bit of labor.
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Road Warrior
Joined: Jul 2017
Posts: 1,372
Likes: 668
From: Texas
Yes, listen to what others said.<br />My TC88 at 33,000 well serviced miles had a chirp. This is where the chirp came from. Tensioners were worn maybe a thumbnail thickness. Inner caged bearings wore the cam journal and looked good to the eye. Enlarge the picture if you can't see what I'm talking about. I'll let the experts decide what happened.<br />HTH<br />Edit: The tensioners show how little wear compared to bearing damage. They did not contribute to the chirp. Just wanted to make that clear.<br /><img src="https://cimg1.ibsrv.net/gimg/www.hdforums.com-vbulletin/2000x1504/img_0028_a5281dc97bb2bf155e14330e93dbdf60f09f7685. jpg"/>
Last edited by robarosa; Aug 22, 2018 at 08:39 PM.
Banned
Joined: Jul 2009
Posts: 7,406
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From: Straight Jacket Memories and Sedative Highs
No pic. But we have seen tons of them and don't need to see another. To my knowledge the hydraulic have been ok. I would like to hear if not. So soon current generation won't even know about them, just like the twin cam tick