[TR] Is this symptom I'm getting indicative of a bad front wheel bearing?

[Paul Tegler]

MGs (B's anyway) have a spacer between the bearings on the stub axle. So 
yes, you crank them down

ptegler

On 2/27/2023 8:28 PM, Don Hiscock wrote:
> It's not a misprint, unless the missing space between the zero and the 
> ell count.  It's mainly dyslexic or too-fast reading, or perhaps being 
> more familiar with ft-lb convention than lb-ft that led him to see 101.
>
> On Mon, Feb 27, 2023 at 7:18 PM Alex & Janet Thomson 
> <aljlthomson at charter.net> wrote:
>
>     Wow! That definitely is a car with a broken leg! I’ve never done
>     any work on an MG but I’ve never heard of a pre-load of 101
>     ft.-lbs. for front wheel bearings. All of our farm tractors, about
>     10, from a Farmall H to a Deere 4250, use the common specification
>     of “hand tighten to a slight drag, and then back off to the
>     nearest castellation”. That’s what I have done on all of our cars
>     and trucks over the years and it seems to work.
>
>     Can someone explain the 101 ft.-lb. spec or is that just a misprint?
>
>     Alex Thomson
>
>     *From:*Triumphs [mailto:triumphs-bounces at autox.team.net] *On
>     Behalf Of *Don Hiscock
>     *Sent:* Monday, February 27, 2023 7:21 PM
>     *To:* Philip Ethier
>     *Cc:* Triumphs
>     *Subject:* Re: [TR] Is this symptom I'm getting indicative of a
>     bad front wheel bearing?
>
>     And I lost a front wheel on my TR3B at 70 mph on I-70 in 2014. 
>     I've not quite gotten over that episode yet,  Yes, don't fool
>     around with wheel bearings!
>
>     The root cause of my wheel-fell-off episode was a restorer who was
>     more used to MG bearing preloads than a TR3's non-preloaded
>     bearings.  He read this part of the Red Book service instructions
>     as 101 lb·ft, not 10 lb·ft.  Yikes.
>
>     https://photos.smugmug.com/photos/i-7mHq3MK/0/07d96589/O/i-7mHq3MK.png
>
>     https://photos.smugmug.com/photos/i-8zPPqt3/0/1e459484/XL/i-8zPPqt3-XL.jpg
>
>     https://photos.smugmug.com/photos/i-wBTPGjg/0/5123f2e5/X3/i-wBTPGjg-X3.jpg
>
>     This happened in western Ohio, not too far from Macy's Garage as
>     it turned out. And although Mark and Co. didn't do the work that
>     led to the wheel coming off, they know my car and were able to
>     take it into their shop that afternoon while I flew home.
>
>     So listen to the voice of two of us with scary experiences.  Take
>     care with wheel bearings.
>
>     On Mon, Feb 27, 2023 at 6:01 PM Philip Ethier <pethier7 at gmail.com>
>     wrote:
>
>         Don't mess with wheel bearings.  Get it checked out.  I lost a
>         wheel on my TR4 on the way home from the VTR in 2005.
>
>         On Mon, Feb 27, 2023 at 5:35 PM Sujit Roy
>         <triumphstag at gmail.com> wrote:
>
>             I have a Stag and have checked and changed various
>             components like bottom ball joint and top shock mount, but
>             am still experiencing a vibration, through the
>             steering wheel, from the left front wheel only when I'm
>             turning left. The car had been fitted with all new poly
>             bushes.
>
>             There is no vibration going straight or when turning right.
>
>             I plan to swap the wheel with my spare,  but can a bad
>             bearing cause these symptoms?
>
>             The hub rotates smoothly and there is no noise.
>
>             The TR6 uses a similar vertical link setup as the Stag.
>             The hub bearings are tapered.
>
>             Sujit
>
>             -- 
>
>             Sujit Roy
>             Cupertino, California
>
>
>             https://triumphstagblog.wordpress.com/
>
>             ** triumphs at autox.team.net **
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>
>         -- 
>
>         Phil Ethier West Side Saint Paul Minnesota USA
>
>         1973 Triumph Stag LE22439UBW "uncle jack", Sapphire Blue
>
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-- 
Paul Tegler
ptegler at verizon.net   www.teglerizer.com
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