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

[Paul Tegler]

really lucky it didn't rip the whole fender off

ptegler


On 2/27/2023 8:18 PM, Alex & Janet Thomson 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-7mHq3MKpng 
> <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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