When you say brakes checked by mechanic, I trust he has done the following:
-Spun the rotor around with a dial gauge against it to measure runout
-Measured the thickness of the rotor to ensure all is in spec
-Checked that there is no wheel bearing play or worn associated steering components
-Inspected the caliper slides and pad holder section for anything not as per normal
-visually inspected the rotors for hot spots/uneven surface appearance ( I have seen rotors where the hardness of the metal has varied across the surface)
-Checked wheel alignment and balance - rare for this to be a cause, but when combined with one of the above issues, can be a significant contributing factor
Testimonial: "thanks - mechanic checked all you mentioned and only thing he said was cheap brake pads but plenty left and did not want to do a brake job and still have same problem!"
SOURCE: brakes on Kia Sportage 1998
it can run from 150 to 500 depending if the rotors need replacing, also if the calipers are locking up causing too much heat on the rotors alot of ifs
SOURCE: brake pad replacement problems
get haynes repair manual.dont cost much .it got pictures .and it show you step by step .to change front disc brakes.
SOURCE: noisey brakes kia sportage
On assembly of disc brakes there is an anti vibration silicone place on the back of the brake pads. The two surfaces rubbing togerher at a centain speed creates a high frequency vibration that at first is above your hearing range at the higher soeed you are slowing dow from. A the speed of the rotor rotation decreases, the frequency vibratio changes and the frequency falls with audible range. Like wiping a piece of glass with a paper towel. Ever wonder why paper and glass would screech?
The sound goes away with harder application because you are actuallly dampening/altering the frequency out of the range of irritability.This dampening compound is used in assembly at the factory and needs to be applied to the brake disc metal side when new pads are installed. This ultra sound is coming or caused by the brake psd that is against the caliper piston. This is because the pad against the piston has more center pressure than full surface pressure as the pad hasand any vibration is telegraphed th to Caliper. The compound I mentioned is a silicone that actually absobs and dampens vibrations when it dries. A rubber (siliucone) vibration sponge. Alot of mechanics, but not all, will leave this compound out of the assembly because it just another step and a messy one to boot, Or to put it plainly, laziness and the lack of knowledge of purpose and importance> Good Luck, having the pads replaced and properly installed will get rid of your screeching.-Ned-
SOURCE: how much is it to replace brake pads on a 2000 kia
Are you going to install them are you taking it to a repair shop? Pads shouldn't cost too much to buy, but paying the shop to do it can raise above $500.
SOURCE: 2000 Kia Sportage Losing brake fluid. Is it a big
No it is not that big of a deal. It is normally 2-3 nuts and your brake lines. The things to make sure of is that brake fluid does not get on any of the electronics below the cylinder by using a towel. Also make sure to bleed the cylinder before hooking the brake lines in all the way. Basically you can do this by screwing in the brake lines about half way and hitting the brake pedal about half way down. Make sure the reservoir does not get empty. Bleed it until there is nothing but fluid coming out of both lines. Obviously this is best done with two people. Have them hold the pedal down while you tighten the lines fully and you should be good.
Testimonial: "Straight up to the point and very nice. Thanks."
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