What makes a squealing noise in the engine bay?

What makes a squealing noise in the engine bay?

Im hearing about talcum powder on the belt to see if its moisture and the belt at fault. And CAREFUL WD40 application on the insides of the pulleys can determine whats at fault. So any advice here would be helpful.

What to do when your car engine is squealing?

Using a flashlight check the alignment of the belt as it pertains to the pulleys also check the tension of the belt by pushing downward on an open span. It should give a fair amount of resistance to the pressure and if not the tensioner has gone bad and needs replacement to correct the problem. Watch the Video!

Why does my HRW make a squealing noise when I turn it on?

Makes the alternator harder to turn & a belt can slip on the pulleys. Is it worse if you turn the HRW or headlights on? Can be down to incorrectly tensioned belt, worn belt, incorrect belt,cheapie crap belt, worn pulleys.

Why does my car make a screeching noise when I Turn on the engine?

When this belt fails it can do so in two ways the first is the spring built inside the tensioner will break weakening the effect of the unit. This lack of pressure will cause a screeching noise produced by the belt.

Im hearing about talcum powder on the belt to see if its moisture and the belt at fault. And CAREFUL WD40 application on the insides of the pulleys can determine whats at fault. So any advice here would be helpful.

Makes the alternator harder to turn & a belt can slip on the pulleys. Is it worse if you turn the HRW or headlights on? Can be down to incorrectly tensioned belt, worn belt, incorrect belt,cheapie crap belt, worn pulleys.

Why is my car squealing and screeching while driving?

Squealing and squeaking noises are trying to tell you there is a problem. The serpentine belt can be showing signs of wear as well or a worn out tensioner that is not supplying adequate pressure to the belt. Both of these noises can come and go and occur at different times while driving.

Why does my Ford Focus make a squealing noise?

I have a MK1 Ford Focus 1.6 Zetec sitting at 80k, belt was done around 60k, thing is as soon as the engine heats up a bit or is run for a while, it stops squealing.