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I'm about to replace my brake pads all around, and just wanted to double check the minimum thickness recommended before you have to replace the rotors.
When I had the recalls done on the car about two months ago I asked the tech to measure the rotor thickness for me front and back, here is what is written in my invoice:
"Front pads are at 7mm. Front rotors are at 29.9mm. Rear pads are at 4mm and rotors are at 27.2mm. Will need rear pads and rotors soon (5K miles or so)"
If I put on new pads all around do I need to change out the rotors also??
I'm about to replace my brake pads all around, and just wanted to double check the minimum thickness recommended before you have to replace the rotors.
When I had the recalls done on the car about two months ago I asked the tech to measure the rotor thickness for me front and back, here is what is written in my invoice:
"Front pads are at 7mm. Front rotors are at 29.9mm. Rear pads are at 4mm and rotors are at 27.2mm. Will need rear pads and rotors soon (5K miles or so)"
If I put on new pads all around do I need to change out the rotors also??
Thx guys
Whomever the tech is, he's an idiot or a thief. New thickness front is 30.0mm and you've only worn 5% of the rotor's service life. There is no way you will ever burn through a rotor in 5k miles even if you put Hawk blues on it.
27.2mm in the rear has only used 40% of it's service life. As little as these cars use the rear brakes, you could probably go another 50k without any worries at all.
No need to care much about pads, they will talk to you when it is time to change them long before they are at minimum thickness.
Thanks Lou for the link, definitely affirmed the front rotors not needing to be replaced. Said nothing of the rear rotors minimum thickness though.
Originally Posted by lobuxracer
Whomever the tech is, he's an idiot or a thief. New thickness front is 30.0mm and you've only worn 5% of the rotor's service life. There is no way you will ever burn through a rotor in 5k miles even if you put Hawk blues on it.
27.2mm in the rear has only used 40% of it's service life. As little as these cars use the rear brakes, you could probably go another 50k without any worries at all.
No need to care much about pads, they will talk to you when it is time to change them long before they are at minimum thickness.
Yea wasn't too sure about that when he mentioned that I only had 5k left on I'm assuming the rear rotors and pads
Anyhow the car has almost 60K on the clock and I'm assuming the rear rotors haven't been replaced yet, and by what your calculations being only 40% worn then they should be good to over 100k without changing.
I'm only changing the pads because I can't stand the dust levels with my new wheels anymore! Anyhow I'll have some used OEM pads for sale as soon as I replace the pads.
I don't trust the no name brands. That being said, I do have a full set 0 to 6" micrometers in a wooden box from a no name Chinese outfit. The are OK but I do not trust them for my most critical work.
Last edited by lobuxracer; Sep 6, 2015 at 04:03 PM.
I'm about to replace my brake pads all around, and just wanted to double check the minimum thickness recommended before you have to replace the rotors.
When I had the recalls done on the car about two months ago I asked the tech to measure the rotor thickness for me front and back, here is what is written in my invoice:
"Front pads are at 7mm. Front rotors are at 29.9mm. Rear pads are at 4mm and rotors are at 27.2mm. Will need rear pads and rotors soon (5K miles or so)"
If I put on new pads all around do I need to change out the rotors also??
Thx guys
I wouldn't wait until minimum thickness on the pads bcuz you'll end up needing to replace your brake sensors too if the pad gets too low. The sensors aren't very expensive but why pay money for parts you can preserve.
read the thickness of rotor in more than one spot.
check thicknesses side to side on same axle. great disparities could indicate a problem with calipers, master cylinder, proportioning valve or fluid.
Question about Minimum Rotor thickness....
Glad I'm a part of this forum or else I would've been lost.
