Whining noise on 94 Disco when approaching 40mph

I have a 94 Disco that was given to me by my cousin a while ago and I love
it, but I a few months ago I noticed that when I approach 40-50mph there's a
whining noise coming from the area right by the passanger side glove
compartment. I can also hear it when I coast around that speed. It goes
away when I get down to about 25 but I was just wondering what's causing
this and how could I fix it since sometimes I ride with the radio off and it
can be a little annoying. Thanks.

In message <5yGFe.158716$go.110425@fed1read05>
"eric" <[email protected]> wrote:

> I have a 94 Disco that was given to me by my cousin a while ago and I love
> it, but I a few months ago I noticed that when I approach 40-50mph there's a
> whining noise coming from the area right by the passanger side glove
> compartment. I can also hear it when I coast around that speed. It goes
> away when I get down to about 25 but I was just wondering what's causing
> this and how could I fix it since sometimes I ride with the radio off and it
> can be a little annoying. Thanks.
>
>

It could be an awful lot of things, but I'd have a look at the
alternator bearings first off.

Richard
--
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On Wed, 27 Jul 2005 08:28:24 +0000 (UTC), beamendsltd
<[email protected]> wrote:

>In message <5yGFe.158716$go.110425@fed1read05>
> "eric" <[email protected]> wrote:
>
>> I have a 94 Disco that was given to me by my cousin a while ago and I love
>> it, but I a few months ago I noticed that when I approach 40-50mph there's a
>> whining noise coming from the area right by the passanger side glove
>> compartment. I can also hear it when I coast around that speed. It goes
>> away when I get down to about 25 but I was just wondering what's causing
>> this and how could I fix it since sometimes I ride with the radio off and it
>> can be a little annoying. Thanks.
>>
>>
>
>It could be an awful lot of things, but I'd have a look at the
>alternator bearings first off.
>
>Richard

x-post snipped.

Is it road speed or engine speed related, ie does it happen in every
gear (and neutral) at the same rpm, or is it only at a fixed road
speed (regardless of gear).

If the former, engine or axiallaries related (alternator a good bet),
if the latter, start thinking wheel bearings, axles, diffs etc).

The real point of the post is that the last time I had a road speed
related whine, it was a odd-pattern tyre I inherited with the vehicle.
If you have an aggressive tyre on that corner, try swapping the wheels
around to see if the whine moves.

David

beamendsltd <[email protected]> wrote in
news:7e5f5904d%[email protected]:

> In message <5yGFe.158716$go.110425@fed1read05>
> "eric" <[email protected]> wrote:
>
>> I have a 94 Disco that was given to me by my cousin a while ago and I
>> love it, but I a few months ago I noticed that when I approach
>> 40-50mph there's a whining noise coming from the area right by the
>> passanger side glove compartment. I can also hear it when I coast
>> around that speed. It goes away when I get down to about 25 but I
>> was just wondering what's causing this and how could I fix it since
>> sometimes I ride with the radio off and it can be a little annoying.
>> Thanks.
>>
>>
>
> It could be an awful lot of things, but I'd have a look at the
> alternator bearings first off.
>
> Richard

....and then I'd check the oil level in the gearbox!

Derry

Is it a Diesel and if so maybe its the Turbo kicking in and whirring
away indicating it is working as designed ??

Hugh