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05-03-2019, 03:11 PM | #1 |
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Location: Westlake, ohio
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Carrier bearing shim
I’m in the need of additional shims behind the bearings on the carrier. Anyone know if there is a part number for the shims but carried at the local autozone or equivalent? I got mine from Snyder’s but if I have to order, then I will be waiting till next week. Trying to get the assembly moving this weekend.
TIA. Rudy |
05-03-2019, 04:11 PM | #2 |
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Re: Carrier bearing shim
Cut your own from a piece of shim material. Easy!
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05-03-2019, 04:20 PM | #3 |
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Re: Carrier bearing shim
Does autozone carry shim material?
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05-03-2019, 04:41 PM | #4 |
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Re: Carrier bearing shim
Autozone????
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05-03-2019, 04:42 PM | #5 |
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Re: Carrier bearing shim
Sorry, I see your in Australia. Autozone is a local retail car supplies place. I've been searching their web but don't see any shim stock.
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05-03-2019, 04:54 PM | #6 |
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Re: Carrier bearing shim
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05-03-2019, 07:31 PM | #7 |
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Re: Carrier bearing shim
McMaster Carr. https://www.mcmaster.com/shims Already cut, buy by ID, OD and thickness.
Click on "shims" in the upper LH of the field, opens out into every shim ever made ever. Joe K
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05-03-2019, 10:17 PM | #8 |
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Re: Carrier bearing shim
I bought shim material from NAPA.
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05-04-2019, 12:34 AM | #9 |
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Re: Carrier bearing shim
Even ACE hardware has some. I would go with the steel not brass stock. You can cut pretty thick stock with kitchen shears. Burnish the edges when done.
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05-04-2019, 04:26 AM | #10 |
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Re: Carrier bearing shim
I do lots of rear axle rebuilds ( have done hundreds ) and have only used a shim once that I can recall.
In my opinion you have something wrong which dictates that. I would take another look at your housings, bearing seats, etc make sure all is true and no burrs etc. I just rebuilt one and put in a 4 speed and was suspiacious of why the gasket thickness was so great on the carrier preload. Ha!! Someone had used a chisel to unseat the carrier bearings and left witness marks and it caused the new bearings not to seat properly. Caused a .050 difference . I think you have an issue. Find the problem and correct it. You may not have the experience to identify and not trying to be curt about that but it may be factual so I would recruit someone in your area if there is an experienced A mechanic to take a look at it and assist. Liked engines even thow they aren’t Brain surgery there is still a methodology and procedure about them that the average guy will most likely not cover or catch because they don’t have the necessary tools and knowledge of their nuances . Larry Shepard Expert Model A service |
05-04-2019, 05:49 AM | #11 |
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Re: Carrier bearing shim
The original bearings had spun, so I had the carriers knurled and the bearing seat trued up. Thus I'm having to add shims to account for the wear , just didn't know how many I would need. I have 3 on one side and 4 on the other and its stiff to turn but not locked. I haven't even gotten to adding the paper gaskets.
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05-04-2019, 07:02 AM | #12 | |
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Re: Carrier bearing shim
Quote:
Scratch might work. Might be tedious since where you're headed is a certain amount of drag with the rear axle halves assembled to the pumpkin/banjo - and - to make matters more difficult - you then have to get your bluing (I use magic marker) and find where the pinion contact point is and adjust your gaskets to center that. You with the shims will have UBER adjustability of relative carrier/bevel gear position - but that is the problem to get past. Joe K
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05-04-2019, 09:15 AM | #13 |
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Re: Carrier bearing shim
I didn’t think of that but your right. Adding more shims on be side or other of the carrier will adjust the pinion contact.
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05-04-2019, 10:52 AM | #14 | |
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Re: Carrier bearing shim
Quote:
BUT - labor involved since you're not only removing a trumpet - but also pulling the rear axle (or at least the carrier if the axles are still separate) AND using a puller on the bearing. Or perhaps the cup to the same effect - maybe this isn't so bad? It might do well to simply settle on one thickness of gasket, possibly the thicker one (to defer "ripping" on dis-assembly) and make all your changes of carrier position on the bearing cup shims alone? Make life simple. Hold one aspect constant and change the other. I will complement you - this thread makes for interesting intellectual insight. Once you have a proper pre-load, positioning the carrier by moving shims/gaskets from left to right to get correct contact is EVERYTHING. Joe K
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Shudda kept the horse. Last edited by Joe K; 05-04-2019 at 10:58 AM. |
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05-04-2019, 11:08 AM | #15 |
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Re: Carrier bearing shim
A pricision shim is not necessary, beer cans work just fine.
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05-04-2019, 12:45 PM | #16 |
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Re: Carrier bearing shim
Hmm, that sounds like a win win since the beer can has to be emptied first.
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05-04-2019, 09:14 PM | #17 |
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Re: Carrier bearing shim
I put all the shims I install under the cup, less wear on the carrier.
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05-05-2019, 12:03 PM | #18 |
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Re: Carrier bearing shim
If beer cans are to thick then try one or more layers of aluminum foil. The stuff measures about .001" or so. Jack
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05-05-2019, 12:31 PM | #19 |
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Re: Carrier bearing shim
Not saying that aluminum shims wouldn't work . My concern would be dissimilar metal reaction between the bearing and the aluminum shim . This may not even be worth consideration , Just a thought . I've never used this type shim but Bratton offer this shim at a low cost . A made to fit shim would save time rather than trying to cut one out of shim stock .
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05-05-2019, 02:01 PM | #20 |
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Re: Carrier bearing shim
The shims I have seen ONLY fits under the bearing on the carrier. If Brattons carries ones to fit under the cup, what is the part number? It would save me making my own. In my OP, under the bearing is not the optimal place for the shim. No one that I know of is making new carriers and many that you run across are marginal at best because bearings have spun or "JUST" press back on. Every time the bearing is removed and replaced, you are moving metal. So far I have not run into many axle housings that had problems with the cup being loose.
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