How to check brake problems.
1. Caliper Stuck
On Front:
A. Car will pull to 1 side if jam is severe and your brakes start to smoke.
B. The rim on the side where the piston is jam will be very hot you can feel with your hands
C. Heavy brake burning smell.
On Rear
A. Heavy brake burning smell.
B. 1 side of the car will squat down if the piston is totally jammed on the drum on 1 side. Can experiment yourself, pull handbrake then put into D or 1st gear and slowly try moving forward. Pay attention as your car rear will start to sink down as the brake is holding the wheel from moving.
C. If brake shoe is jammed on the lining too much forcing will cause the shoe to break off from the base plate. This happen before.
B. Rim will also feel more hotter.
For cars with drum brakes it is best advice not to apply the hand brake after you have washed your car and put it overnight as the rust formed between the shoes and lining will slightly "weld" the parts together. Best use a brick to act as a stopper.
2. Brake Fluid Leaking
Usually places that will leak brake fluid
A. Brake bleed nipple (loosen)
B. Piston seal area front caliper (watch for wet caliper)
C. cylinder o-ring for rear cylinder (watch for wet sign)
D. The O- ring between the master pump and the brake pedal shaft. (This will cause brake fluid to leak into the cabin and can determined by inspecting for wet carpet usually under the brake pedal.
3. Inspected and no break fluid leaking but car don't have brake why?
A. The O-ring inside your brake reservoir where it apply the pressure to the caliper is worn out. This will require taking out the master pump and the brake reservoir to change the o-ring.
When the above happen your brake pedal will feel spongy and will sink all the way down follow by a kruukk sound.
can we pin this? for those people noob about car like me, this is normal awareness for them.
Oct 29 2013, 03:39 PM
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