I have a 96 Ford Ranger XLT 4x4 V6 4liter
> There is a chirping sound (rubbing metal) coming from the engine area. I
> know it is NOT the following:
> - it's not a belt or any of the belt pulleys. It still made the sound
> when the belt was removed and the truck was started.
> - I had transmission work done a while back and I took it back there.
> They found nothing. Flywheel and plate were fine.
>
> This is what I can describe:
> It usually makes the chirping atleast once or twice per revolution. It
> will usually only do it until the engine warms up. On cold starts it will
> last until the engine warms up whether by driving of just idling (approx 2-
> 5 minutes). Once the engine is warm it will give an occasional "chirp"
> but far less frequent. There is ZERO reduction in performance. It runs
> great, starts great. If I just turned up the radio (I'm hoping for a
> better fix) I would never even notice it.
>
> Any help would be greatly appreciated. If someone can solve it, then they
> will be one up on any local mechanic.
>
> Thanks in advance
> -Tom
May be a piece of sheetmetal is vibrating against something also metal. Try applying pressure to your aircleaner and looking for heat shields etc that maybe loose.
Jason