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Bull6791

Front Pads/ Rear Shoes

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What is the min thickness Toyota recommends before pads and shoes need to be replaced.

I heard the back brake shoes Toyota does not recommend replacement until they reach 1mm (14 percent). I do not know what Toyota recommends for front brake pads.

Thanks.

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Front: 1mm minimum thickness

Rear: 1mm minimum thickness

- measured from backing plate if using a bonded pad (OEM and most aftermarket)

- measured from the top of the rivet if using a riveted pad (specialty aftermarket)

 

If you are wondering, OEM pad and shoe starting thickness when new:

Front: 12mm

Rear: 11mm

- aftermarket can be thicker or thinner than this, depends on application and brand of pad. Doesn't mean more or less lifespan, as that is highly dependent on driving conditions.

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Fish

The OEM starting thickness you have for rear is

11 mm is that for disc brakes. The reason I am asking is I thought rear brake shoes brand new measured 5mm

Thanks.

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Yeah, sorry - that is for discs. Shoes are about 1/2 that - sounds weird, but the way drum brakes work - they don't need a lot of friction material. In majority of cases - rear pads can last 100K miles or more, most of the work is done by the front set of brakes.

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Measuring shoes are the same as pads - use a micrometer or caliper or similar high resolution device. You could "eyeball it" and try to get the max life out of a pad/shoe - but I usually don't wait to get it down to the minimum, as I'll never know when I'll have a chance to change the pads. Plus when they are worn down that much, your braking performance suffers considerably.

 

OEM is almost always bonded, especially on a light weight car like the Corolla. Some aftermarket can be riveted, but those can be pretty rare to run into. If it was a larger/heavier vehicle, then rivet are more likely to be run into.

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