How often should rear brakes be replaced on a car?

Question

Some older cars have drum brakes on the rear. Those are the brakes that I am curious about. They seem to last forever.

Answer 1

Depends on how hard you brake, how much weight you carry in the back of your car, and how tightly adjusted are the rear brakes.

A lot of drivers can get double the mileage from their rear brakes before they need replacement, compared to the front brakes.

Front-wheel drive cars are more demanding on front brakes, while rear wheel drive cars are more forgiving and can go longer.

A quick inspection of the rear brakes should be done anytime you have the front brakes replaced. Look for broken springs, missing clips, excessive scoring inside the brake drums, leaking slave cylinders, etc. And make sure there is enough lining remaining on the shoes to make them effective at stopping your car. (The rivets holding the shoes should not be scraping the drums.)

Answer 2

The front brakes on cars do most of the work in stopping a car. It's not uncommon for rear brakes to last as much as 100K miles.

I have a '67 Chevy with 240 K miles that I've had since new and I'v only replaced the rear drum brakes twice.

Answer 3

50 dollars for parts on a 99 Protege, the same car my wife drives, is way too much. I would take it someone else and get a 2nd opinion. The squealing sound doesn't always mean that your brakepads are wearing down. That sound can come from brake dust, heat, or even rust on the rotor. In many cases when the pad wears down to the point where it's just metal on metal contact you'll get a squealing sound, but not if there's any pad left. After working for some time with mechanics, I can very safely tell you that there are a good 80% who are trying to rip you off. Take your car somewhere else and get the job done there. If you're getting any kind of backfeed or pressure returned to your petal when braking you will need to get your drums adjusted. 80-90 is a fair price for that.

Answer 4

a lot of times, rear brakes do last a long time

this is often because the brakes are designed to put more pressure on the front brakes (particularly if the back brakes are drum and the front are disc - my first cars had drum brakes front and back)

although you should check your brakes regularly, there is no reason to replace brake shoes until they are worn out

so, if they last forever, they last forever

because there are other parts of the brake (besides the pad) that can wear out (thinks like seals on the cylinder, and some springs) it is good to have the brakes looked at periodically

Answer 5

Rear brakes do much less work than the front ones do so they tend to last much longer. There is no average replacement interval though. All brakes should be inspected at regular intervals -- every other oil change is a good interval -- and repaired or replaced as needed.

Answer 6

The reason the rear drums last longer is the majority of the braking is done with the front brakes. As far as an estimate of the mileage it can vary dependent mostly on driving habits. I wouldn't be surprised if rear brake shoes could last up to 60-70K. To be on the safe side they should be checked at regular intervals to ensure they are in satisfactory condition though.

Answer 7

I would say to have them inspected at least every 30K miles. It is important to be proactive about brake maintenance. If you wait until the brake shoe in the drum is burnt all the way to the metal it will damage the drum itself. Changing the brake shoes themselves is relatively cheap especially if you do it yourself. Things get expensive when the drum gets damaged and has to be turned in a machine shop or replaced depending on the extent of the damage. If at an inspection my shoes have 30% or less of there original life left in them I replace them.
Front breaks wear faster than rear breaks so be sure to inspected the front and rear brakes.

Answer 8

usually 2 front to 1 back. If the rear brakes are properly adjusted

Answer 9

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check your owners manual for specific service intervals for your car.I have never heard of changing the differential oil before 50-100,000 miles but it is a subaru they may have some special requirement