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Mazda5 Brake Questions

46 messages,  Last post on Oct 08, 2009 at 8:48 AM

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What is this discussion about? Mazda MAZDA5, Brakes, Wagon


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#45 of 46
Change Mazda5 disc brake pads? by shawr63
Oct 08, 2009 (7:26 am)
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My 2006 Mazda 5 needs new brakes at only 30K miles, according to my dealer. This is very low mileage for replacements, but seems to be in line with several other forum complaints (#22, 24, 37). Anyway, the rotors only have about 1mm of wear on each face, so they are not a problem. Does anybody know what the specs are for minimum rotor thickness? The pads are in fact getting low so I will replace them soon. It's been 20 yrs since I did my own brake job, so I'm a little nervous about diving in! Are there any special Mazda tools required? Is there somewhere where the steps are spelled out? Would appreciate any info! Pads run between $60 and $110 for all wheels at auto supply shops, depending on grade. The dealer wants $300 for the job. Thanks in advance for any suggestions!
#46 of 46
Re: Change Mazda5 disc brake pads? [shawr63] by vicenac
Oct 08, 2009 (8:48 am)
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Replying to: shawr63 (Oct 08, 2009 7:26 am)

I would not be surprised that the brakes are done at 30k. I mean if you like the brakes performance then expect the pads to wear out. I had many brands of cars, 30k was the number for good disk brakes. Drum brakes last longer, but then again, they don't stop that well.
 
The only thing that is hard to do when changing pads is compressing the brake piston. It is now extended to make up for the wear of the old pads. For the new pads to fit in (they're thicker) the piston has to be pushed back.
Some parts stores will loan you a press for it. Otherwise you can make a wedge out of two wrenches (big ones) and push hard on the piston. To do it easier, you could open the bleed screw behind each caliper, but be sure to bleed the system afterwards to make sure no air got trapped in the piston chamber.
Other useful things I could think of are to make sure you don't lose the thin copper sheet that sits under the pads - it acts like a spring and also ask the store for some anti-noise paste. It applies on the back of the pads to quiet the squeal.
It's a good idea to take the caliper apart and re-grease it to prevent it from getting stuck.
 
For some cars it is required to use new screws for the caliper, although I never did it.
 
Good luck and have fun!

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