Question about 1996 Chevrolet Cavalier
Does this always happen when you touch the brake pedal, or after driving for a few miles? Any evidence of leaking fluid at the rear wheels? (look under the car at the back of the wheel for any 'wet' areas that would indicate a fluid leak). The possible causes are:1. brake fluid or grease (from a bad bearing seal) have gotten on the brake shoes, causing them to lock up easily, 2. rear brakes are over adjusted, or brake cylinders are bad, causing the shoes and drums to heat up while driving, and lock up when touching the brakes. If this is the case, replace the brake hardware (springs, clips, etc, as overheating will damage them), if brake cylinders are corroded inside, it would cause the brakes to 'drag', and not release, replace the brake cylinders, bleed the brake system to flush out old fluid. Old fluid may be contaminated, and will cause cylinders to fail again.
Posted on Nov 13, 2009
There is a brake regulator on modern systems which controls the power between the front and the back breaks this maybe defective
when a car breaks most of the breaking force is placed on the front breaks as that is where most of the energy is heading so the car sinks down. if the same amount of breaking force is placed on the back wheels as they rise they have less friction as the weight is forward so they will lock up.
the device is designed to maintain more force to the front, if it fails the system will apply even force to all wheels.
recommend cosulting a certifed garage or local dealership about this problem.
Warning; continual driving with defctive breaks is illegal and may result in injury or loss.
Posted on Nov 13, 2009
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Posted on Jan 02, 2017
Most of the time with the rear brakes locking up the brake drums are warpped. If you remove the rear brake drums and take them to almost any auto parts store (Napa, Checkers ect.) they will turn the drums for about $10 a piece.
After you have the drums turned you will need to readjust the rear brakes.
Posted on Aug 29, 2008
You need to jack up the vehicle and see which wheel is hard to turn. That wheel has either a bad caliper or hose. What is the year make and model?
Posted on Jul 10, 2010
pull the rear drums and see if there is axle grease on the shoes from leaking axle seals, if they look dry sand the shoes with 80 grit sandpaper and wash them off with water and bevel the edges, of course replace them if the are less than 30% of new shoes thickness.
Posted on Sep 26, 2010
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