Re: Help with strange scraping sound
 

Checked the HB this weekend, no movement, what a relief. I guess I'll
just try to ignore the noise for now. It's not such an alarming noise,
kind of like two sheet metal edges rubbing past each other at slow
rotational speed. Can an AX5 or clutch make a noise like this?

Thanks again


DougW wrote:
> nrs wrote:
> > Sounds pretty serious. When you had that problem, did the engine work
> > fine otherwise?
>
> Yep. Good acceleration, but if you put it under any load you would get
> a nasty grinding noise. This was under waranty and even the dealership's
> chief mechanic was scratching his head trying to figure out how it could
> happen. The only thing I could think of was oil starvation, but it could
> have been a defect. Never did figure out why.
>
> > DougW wrote:
> >> nrs wrote:
> >>> Mike,
> >>>
> >>> I replaced the driver's side engine mount and have checked for signs
> >>> of contact on the exhaust but can´t find any. It really seems to be
> >>> something in the bellhousing but don't know enough about these
> >>> things to visualize what could be happening.
> >>
> >> FWIW: All mounts should be done at the same time or the engine and
> >> transmission will not sit properly.
> >>
> >> The only time I had a grind/scrape under load it was due to a
> >> failed rear mains bearing. You can tell if the harmonic balancer
> >> can be moved back and forward by more than 1/8" Mine moved almost
> >> 1/2"
> >>
> >> Sorry to say, if that is the problem, the fix is a shortblock.
> >>
> >> --
> >> DougW