Jim's answer may be what you are looking for.
The ZX2 has a few quarks..the noise you are describing could be one of
The PCV valve may need replaced or cleaned. It's cheap enough to try
The PVC is known to make a terrible noise when it's clogged.
If the noise remains...then it's most likely one of the bearings the
accessory/serpentine belt is operating. There's 2 idler pulleys, one
smooth and one ribbed, and there's a smooth pulley on the belt
tensioner, so 3 bearings there.
Or..it could be in the timing belt pulley bearings. On a 98 ZX2 there's
2 idler pulleys and the tensioner, so 3 bearings there.
I'd do the PVC first and while you are in there, check the front heat
shield, a loose heat shield could make a rattle that sounds like a
For more info on the ZX2, check www.teamzx2.com
, many members and they
are always a great help.
aka duckface on www.teamzx2.com
2000 ZX2 ATX
> My 1998 Ford Escort runs great except for an intermittant squeal or
> screech that no mechanic has been able to fix. I've had it to one
> regular mechanic who thought it was the transmission, a transmission
> guy who said it wasn't but didn't know what it was and to two Ford
> Dealers - one who blew me off saying it didn't make the noise long
> enough to pin point so unless I wanted to pay a technician by the hour
> he couldn't help me,and the 2nd one told me he was certain it was the
> IAC Valve. He replaced that and said the noise immediately stopped.
> Unfortunately the noise continues. The squeal doesn't start until the
> car is warmed up about 5 minutes or so and it continues to make this
> horrid screech whether I'm sitting in idle or driving - with or without
> the air conditioner on. The pitch of the squeal also changes along with
> the engine RPM. It will also make the noise about a second or so after
> you turn the engine off and what's weird is I can look at the pulleys
> after a friend cuts the car off and it will make the noise about a
> second AFTER the pulleys and serpentine belt have completely stopped
> turning. After seeing this I thought it may be the electric fan because
> it was the only thing that was still turning after the engine
> completely stopped turning but I disconnected it and the car still
> makes the screech. So whatever it is, is still turning some AFTER the
> motor/belt/pulleys have stopped. What could be still turning after the
> motor has stopped besides the fan?? Can anyone help diagnose???? Help!