Rear passenger side brake keeps hoping when brakes applied
Hello. Been having problems with this car since the day i bought it. For the past year i've been experiencing a pulsation when i apply the brakes. It's a 2003 chev malibu LS. The front wheels are caliper type brakes and the rear are brake shoe type brakes. So far everyone i talk to has told me to change the rotors and that should solve the problem. Well on saturday, i went ahead and changed both front rotors, both front calipers and both wheel disc pads. I used that silver colour anti stick brake lube to ensure all parts move freely. The front brakes are working fine, but that still didnt solve the problem. On sunday i went ahead and bought brand new shoes and drums for the back and put them on mself. I used the same silver colour lube also ensure parts move freely. Additionally i went ahead and replaced both rear cylinders just incase. Problem still not resolved. I tested the parking brake, it works fine....but i wanted to see what would happen if i apply the parking brake while driving around 15kmph. When i applied the parking brake, the passenger side rear wheel kept making a knocking noise. It's as if the brake shoes are attempting to grip, but keep slipping and banging on something. All parts were secured and i set the parking brake before putting on the drums just to ensure everything worked smoothly. I dont know what else part to change in order to fix this problem?? Can anyone help?
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There is a problem with your question
from what you say the brake lights do not come on when the brakes are applied --that would most likely be a faulty brake light switch
The fuse blows when the hand brake is applied indicates a short after the hand brake switch before the brake indicator in the dash that lets you know the hand brake is applied
you say that the rear light come on when the light switch is turned on--does the fuse blow then , when the brakes are applied or only when the hand brake is applied
a clearer question with a lot of detail ( make , model year , engine size etc)will get a closer answer
Its probably the rubber hose that goes between the metal break line and the caliper. That hose is like a 2 way valve that lets fluid into the caliper when brakes are applied and lets fluid back out when brakes are released. These hoses deteriorate and stop letting fluid back out causing the brake to stay tight against rotor.
There only a few things that would cause this that you need to check, first start at the front wheel that doesnt work, have someone applie the brake open the bleeder screw if fluid sprays then caliper is bad or caliper slides are frozen, if no fluid comes out then you have a bad brake hose at that wheel, do the same to rear if fluid comes out of bleeder in rear then wheel cylinders are no good if no fluid comes out then brake hose to rear wheels is no good, make sure to have pedal pressed and repush pedal when checking the rear. hope this helps.
Sounds like one of the springs that hold the rear brakes in place broke. Jack her up, pop off the tire, remove the drum and take a look. If you need to see what a good one looks like, look on the other side.
This is not a very common problem, but I saw it last year on a 69 chevelle.
todays sports utility vehicles are equiped with a proportioning valve. they are usualy located at the rear of the vehicle. this valve regulates the flow of brake fluid to the calipers. most suv`s have a ride control arm on them that is linked to the rear suspension to apply more braking force to the rear wheels in a harsh or sudden stop. if this valve is bad or malfunctioning even body roll can redirect brake fluid to the rear wheels causing them to lock up., hope this info helps