After engine has been running about 15 min. it develops a high pitch squeal. Customer replaced alternator and drive belt with a new Ford unit, we replaced both idler pulleys and still no change. The noise starts at about 1300 rpm and does not seem to change wi...

Summary posted 12/14/2000

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle