<VV> Late Rear Bearings

[Bob & Kathy Gilbert]

Making them really the "LATE" rear bearings  :-)
Bob
 

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From: virtualvairs-admin@corvair.org [mailto:virtualvairs-admin@corvair.org]
On Behalf Of HallGrenn@aol.com
Sent: February 17, 2005 2:22 PM
To: virtualvairs@corvair.org
Subject: Fwd: <VV> Late Rear Bearings

In a message dated 2/17/2005 3:01:00 PM Eastern Standard Time,
vairologist@juno.com writes:

> Using the same shims when either replacing the bearings or cleaning 
> and lubing them is probably going to put 99% of them in the ballpark 
> of proper adjustment

That's what my local Chevy dealer would do--and in several cases (mine
included) the bearings lasted just over the 30 day or 1,000 mile warranty on
repairs.  Out of warranty and out of $500.00 (at the time).  I'm
proselytizing now.  
Do the bearings right or buy rebuilt ones from a reputable vendor.  If
you've never had one fail you don't want to know what you're missing.

Bob Hall

Group Corvair
'64 'Brier
'65 Corsa
2 '68 Monzas
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Subject: <VV> Late Rear Bearings
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Date: Thu, 17 Feb 2005 14:48:48 -0800
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> From: <corvair@mb.sympatico.ca>

> Now, I rebuilt mine myself because I had access to all the tools
--------------snip------------
> paint, big selection of shims
------------snip-----------
Smitty says: I agree with the DIY form of mechanicing.  I have a thought for
consideration related to the bearing job.  Much has been said about the
difficulty of taking apart, putting together, measuring, taking apart again,
sometimes encountered.  I haven't done a great number of these and am not
going to claim I am an authority but here is what I have found. 
Using the same shims when either replacing the bearings or cleaning and
lubing them is probably going to put 99% of them in the ballpark of proper
adjustment.  Hanks post as to the accuracy of dimension in bearing
manufacture is correct.  Bearings in all dimensions are accurate to 000.10
to 000.01 according to the bearing maker who used to be a sponsor of our
club years ago.  The spindles they are mounted on, I would be willing to bet
are all within ,001 between the bearing compression load faces.  During the
first day of manufacture they may have pulled every 10th hub off of the line
and checked the bearing setting.  By the second day they might check every
hundredth one.  By the third day they all got the same shims and they never
looked back unless a problem developed.  So since the spindle doesn't wear
and the shims don't wear and the bearings are accurately sized, then putting
new bearings in with the original shims should create no problem.  I believe
all the test procedure in the manual is to give the mechanic specs to work
with in the event the thing is just burned up and he has nothing to start
with but new parts.
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