"minnow" <minger@gmail.com> wrote in message
news:576179fc-34bc-4c88-a2a8-53d9c6b12ccd@8g2000hse.googlegroups.com...
>I have over 85 K miles on my 98 V6 sedan. A few weeks ago it started
> making two noises -- don't know if they are related.
>
> Driving forward, the engine makes a mechanical noise that sounds to me
> like scissors opening and closing; sharpening a chef's knife against a
> sharpening rod; a steam radiator valve letting off steam
> intermittently; or someone shushing, shhh, shhh, shhh. The noise
> stops at idle and seems to pick up in rhythm as I drive faster.

Sounds like the brakes as opposed to the engine. If you rev the engine
while in Park and not moving does it happen? If it only happens with motion
I would rule the engine out.

> Related or not? I hear a high pitched "eeeeeeeeeee" sound when I go
> into reverse. Can't pinpoint the location.

Lots of cars do that.