[TR] TR4 wheel bearings?

[Tim I. Purdy]

I finally found some one to examine, that I trust. Will keep you posted as 
of the results

----- Original Message ----- 
From: "Michael Marr" <mmarr at notwires.com>
To: "Tim I. Purdy" <timipurdy at citlink.net>; <Triumphs at autox.team.net>
Sent: Friday, April 18, 2008 8:05 AM
Subject: Re: [TR] TR4 wheel bearings?


> It could be your differential.  Does the whine diminish when you take your 
> foot off the gas?  Does it diminish while you are cruising on the freeway? 
> Is it more of a howl than a whine?  Does the pitch change with vehicle 
> speed, rather than engine speed?  Does it seem to come from the rear of 
> the car?  If yes to all of these, I would suspect the differential, 
> specifically the ring gear and pinion.
>
> Mike
>
>
>
>> For awhile, a few months, I have been experiencing a obnoxious whirring 
>> sound,
>> and am not sure where it originates.  When the engine idles  there is no
>> noise.. Once accelerating, from first to second all is well.  The sound , 
>> kind
>> of high pitch I guess, makes its presence, though not too pronounce, 
>> shift to
>> third and later  to fourth, its extremely loud. It makes one thinks 
>> everything
>> dry.  The other evening jacked up the car, checked the rear axle, etc, 
>> all oil
>> levels full.  Since when I purchased the car in 2003, I have never 
>> examined
>> the wheel bearings, my next project. Could this be the source of this 
>> noise,
>> or is it something else? Another new territory for me. I am so thankful 
>> to
>> have a forum like this.