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Question:

How long do rear brakes last?

I just had my rear brakes replaced on my 04 Corolla. It has 92,000 miles on it. Is that a long time for rear brakes to last? Why do some go so much sooner? Is it the car or the way someone drives?

Answer:

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Somewhere around 75% of the braking force on your car is directed to the front wheels. The rear brakes just don't see nearly as much use as the fronts. Also, if you're easy on your brakes or tend to drive longer distances (based on your annual mileage, I'd say there's a good chance), you can get a lot more mileage out of your brakes. So, if you get 30K miles out of a set of front brake pads, it's reasonable to expect over 90K from the rears.
For the best answers, search on this site shorturl.im/avZUS Normally the rear brakes on newer cars will last a minimum of twice the front brakes. I would say that the next time you need front brakes the rears will also need replacing. Since the late 1980s BMW has brake pad life idicators so if a pad gets to the point it needs to be replaced a warning light will illuminate. Furthermore, due to car manufacturers saving every penny, brake mastercylinders are filled to FULL with new pads and new discs (or drums). As the brake parts wear this causes more fluid to enter the system. Once either the pads or the discs are at or below minimum the Low Brake Fluid light should come on. SO - a quick check of brake pad / disc /.drum life is to look at the mastercyclinder. I say quick check because too many people have a habit of keeping the fluid level at full preventing the Low Fluid light from coming on if the brakes are worn below minimums.
A combination of all the above. Front brakes wear more quickly than rear since the car nose dives and puts more weight on the front when stopping. You should replace the rear shoes or pads more often. If they are showing little or no sign of wear, then the brake system is out of balance. Chances are, your rear brakes haven't been working correctly in years. If you drive with your left foot on the brake all the time, then you wear out the brake pads very fast (Plus annoy the driver's behind you with your brake lights on all the time). Mountain and hill driving, stop and go traffic jams, heavy braking at the last minute at stop signs or traffic lights cause excessive wear. Riding the brakes when driving or going down hills, causes excessive wear, overheating, and even the pads to crystallize and not grip if overheated too often. If you smell the brakes getting hot, then your driving habits are bad. Down shifting to a lower gear and just using the brakes occasionally on downhill grades will save them and prevent overheating. And yes you can do this with an automatic transmission without damageif you just drop down gently one gear at a time. Don't yank it into 1st gear at 70mph.If you survive the wreck, chances are the transmission didn't. Most true brake shops or good mechanics, can bleed and balance the brake system for you. $50 flat price is common, but no more than $100.
The material should wear better and last longer. It should dissipate heat better. Most brakes make noise from improper compatibility with the rotor metal, or due to sticking brake pins. Read your owner's manual. Brake fluid MUST be changed every 2-3 years. If it is NOT, the fluid becomes acidic and eats away at rubber parts in the brake system. This will cause the pistons to stick, and nor release the pads. Noise results. Good Luck!!

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