Anyone know the spec for minimum thickness of the brake pads before replacing?

I'm getting the 'worn pad warning squeal' during the last few feet of braking to a stop. Pulled a front and rear wheel off and there's more pad material than I expected- about 6-8/32.

 

squeal has nothing to do with pad thickness...usually means they are glazed (low quality pads, alot of heavy braking)

 

O.K., that makes sense since I've been hauling a lot of landscape material lately.

But how 'bout minimum thickness spec, anyone? I already know about rule of thumb guidelines, I'm looking for a 'service manual' kind of number.

 

right from my tech manual, less than 3.0 mm

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Thanks, Atom. That's exactly what I was looking for.

I noticed it says you don't need new pads if you machine the rotors. Conversely, I guess you wouldn't necessarily need to machine rotors when it is time for new pads.

Any official guidelines for when the rotors should be machined? I noticed my rotors are developing rusty ridges where the pads don't reach all the way to the outside or inside of the rotor surface. I could see this causing some bedding-in issues when it is time for new pads.