95Jeep

So I am totally new to this and not exactly sure if I'm in the right place but I think someone here will be able to help me. I have a 1995 Jeep Grand Cherokee Lareado 4wd and it has about 185,000 miles on it. But just recently I have been noticing a very loud squeaking maybe screeching noise coming from the huge black thing under the glove box on the passenger side. It only happens if I have the heat on while braking, turning, or hitting a bump. I originally thought it had to be something with the heat. Maybe a loose belt or something. Then I started to think it was the brakes, I'm going to check the brakes tomorrow but if anyone know what it is please tell me. It's extremely annoying and doesn't sound good. I know that noises come with the age of a car but this doesn't sound like a noise that came with age, it more sounds like something is broken. Please Help!

radio flyer

!!!!

Bustedback

The blower motor may have a bearing or bushing that has failed and allowing the fan to wobble and run on the HVAC case.

jnicewan

I second the blower motor, a bearing/bushing is probably going out and hitting a bump might be momentarily throwing it off balance to create the noise. You might be able to verify this by changing the blower speed to see if that changes the noise.