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Make sure the pad wear is even, if it isn't even, then look at your caliper slides. If it is even, check the adjustment and shims, etc (whatever method your car uses). Brake squeal other than the normal pad wear is usually caused by worn retaining pins, faulty damping shims or shoe retaining clips, dust in drum/on rotor, or a loose backplate or caliper. Put a thin layer of silicone on the back of the new pads you get. If your car is a Honda or Toyota, it's damn near impossible to get their brakes to stop squealing because of the type of pads they use, they have a lot of metal content in them, OEM, aftermarket, whatever you get is the same effect, but usually the better pads are from a dealership with those specific cars.

You said you never checked the rear. Are they disc or drum? If the are drum there is a possibility that the they need to be adjusted (automatic adjusters never seem to work all that well) or maybe even a wheel cylinder going bad. If they are not grabbing enough that would put a lot of work on the front pads, but not enough to wear them out in 2 months I dont think. Like basstronics said it could be the master cylinder also.

You mentioned the parking brake was used also. If you live anywhere that you get snow or the roads get salted then you may want to check to make sure that the e-brake cable is releasing completely. My mustangs hung up and I didn't notice until I trashed a set of pads and rotors.

If you lost brake "pressure" Then your Master Cylinder is going out.

As for this squeel your getting my guess may be misalignemt or wheel bearings are bad- possibly both.

If you happened to add ANYTHING but Dot 3 brake fluid you will need to run detergent thru the lines and replace all calipers and rubber componets...

I need t do all of the above, seeing as i completely lost break pressure going through the drivethrough at mcdonalds. lets just say i'm happy no one was infront of me when it happened.. (i think its because i was driving around for just a bit with the parking brake up...) thank fuck it didn't go out on the free way.. i had my 1.5year old neice with me.

it came back eventually, i took backroads and had my emergency flashers on the hole time. Nevertheless, it was a fun day!

obviously something would be wrong if you're going through them that quick. as for the squeeking, some cars just do it after a while. there's really nothing you can do. i know there are home made remedies for it, but i dont remember any of them.

Check the pads
Check the rotors
Check the fluid
Check the caliper slides (they are ok as long as they arent out of round or have grooves in em right)
Check rear brakes and adjust if needed.
Grease contact points on front caliper so it doesnt rust.

Thats all i can think of, cause today after only 2 months the breaks are making a satanic inhuman squeeking, not the normal kind i mean evil squeeking lol.

I have no idea why im losing pads every 2 months. Everything was new and everything was ok to the best of my knowledge, "I" didnt check the back brakes but a crooked garage "did" (which i may blow up) nah jk.