Faulty power steering pump, maybe.
Hi, Check if the pulleys are lined up correctly maybe before you had it someone changed a pully & it is not the correct one, hence out of line or one pulley is damaged, but by what you state. I am sure you would have noted something wrong on one of the pulleys if a weld was split or bent one side of a pulley. Please send me feedback to [email protected] Thanks Malcolm Campbell.
SOURCE: 1999 merc mountaineer,
Check if there is any obstruction in the path of the pulley or the belt is too tight or this may not be correct one get it fixed by using a correct belt.............
SOURCE: Loud squealing sound in my engine
hey
Its possibly the belt!!! did you change that to?
Damien
SOURCE: 1994 PONTIAC BONNEVILLE TENSIONER BELT PROBLEMS
You need to replace the tensioner assembly, not just the pulley.....
SOURCE: 1996 jeep grand cherokee limited v8
I might not have enough information but the squeal is most likely a worn bearing. Try to isolate it with a "mechanic's stethescope" to locate the source. A pin point shot of WD-40 at the whining bearing (NO NOT put it on good bearings should TEMPORARILY quiet it IF it is a bearing. DO NOT overspray, just at the center of the pulleys...the lubricant should get pulled into bearing to confirm that the pump (power steering would be my guess) needs replacing.
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