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camshaft bearing tool??

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Evans Ward

Love those LC2/ Y56 cars!
Joined
May 24, 2001
Messages
2,060
Doing a cam/lifters replacement on my other Buick (70 GS455) with engine in the car. One of my 5 cam bearings is melted (one nearset timing chain) so I'll get a replacement. Better to find this problem now rather than later and risk engine failure. Can any of you share resources either how to borrow or purchase (where) a cam bearing tool for removal and replacement? I'm not sure if any of the auto parts houses loan out such a tool. Any and all help greatly appreciated. :)
 
cam bearings

More importantly!, what caused the cam bearing failure!!
Most likely, would be lack of oil!, you need to address this problem first!
Since they(the parts house ) will sell you a set of cam bearings, (not just one) go ahead , and install all of em,
most good machine shops have a cam bearing tool, I suggest you use their experience to have them do the removal, and install.
Very important that you clean any bearing residue from the oil galleries, oil pump, etc!
Do it right the first time, not the second!
sorry for the unpleasant news, but you asked!
good luck,
Cruzn57
 
Re: cam bearings

Originally posted by cruzn57
More importantly!, what caused the cam bearing failure!!
Most likely, would be lack of oil!, you need to address this problem first!
Since they(the parts house ) will sell you a set of cam bearings, (not just one) go ahead , and install all of em,
most good machine shops have a cam bearing tool, I suggest you use their experience to have them do the removal, and install.
Very important that you clean any bearing residue from the oil galleries, oil pump, etc!
Do it right the first time, not the second!
sorry for the unpleasant news, but you asked!
good luck,
Cruzn57

No problem.... suppose I should have expanded and said that the cam bearing in question wasn't totally melted but worn excessively with a couple metal slivers evident on camshaft removal. All others looked really good. My bad on choice of wording on my original post. I appreciate your feedback. Don't want to pull motor at this time.
 
How do most cam bearing installation tools work? Do they pound them in with a mandrel or do they pull them using a threaded tool of some sort?
The one I saw my machine shop use was a hammer style, is that the only kind?

paul
 
I've used a threaded installer. Basically it's just a long piece of Allthread, and a couple plates, plus the bushing driver head that just fits the cam bearing. I've installed cam bearings using just a bolt and washers and an old cam bearing to pull the old one out, sorta. IMO, you can rig something up to pull the new one in(toward the front),, that's what I did when I replaced the front one. The Bearing puller kit I almost bought for a couple hundred bucks:rolleyes: didn't really have the right size attachment for the Buick(V-6), maybe for the V-8 they did, Idk.
 
Well I was finally able to locate a couple of tools but price was at $100.00 Was able to work internet resources to another Buick enthusiast who has made this tool since he couldn't find one and had the instructions to construct on his website. Another fellow from buickperformance.com offered to give the tool he had made from these directions to me and my friend for the shipping costs. It is a puller type tool utilizing threaded rod/aluminum construction. Shouldn't be too tough to replace in my case since bad one is #1 bearing. Got to love the internet from people helping each other out! Thanks here too for the help guys and hope to get the 'ol girl back on the road soon. :)
 
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