I finally found some one to examine, that I trust. Will keep you posted as
of the results
----- Original Message -----
From: "Michael Marr" <mmarr@notwires.com>
To: "Tim I. Purdy" <timipurdy@citlink.net>; <Triumphs@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.
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