Bosch quietcast pads

Stuntmanmike1977

Registered Member
Original poster
Nov 21, 2021
18
Sanford, Maine
Hey. I need to finally get around to replacing the pads and rotors on all 4. Got Bosch Quietcast pads and AC Delco rotors. A little confused about the "break in" procedure. I'm supposed to drive it up to 30mph then slam on the brakes to 15mph and do this up to 10 times. And repeat again from 50mph to 15 10 times? Sounds like this will destroy the brakes! Is this procedure correct? Never heard of this.
 

Mooseman

Master Blaster
Moderator
Dec 4, 2011
22,548
Ottawa, ON
It's not slamming the brakes but a good firm brake application. I'm used to 30-30-30. 30 gradual almost stops from 30 MPH with 30 seconds in between.

We have a good discussion on it here:
 

TollKeeper

Guru
Dec 3, 2011
6,886
Brighton, CO
It's not slamming the brakes but a good firm brake application. I'm used to 30-30-30. 30 gradual almost stops from 30 MPH with 30 seconds in between.

We have a good discussion on it here:
This is what I did as well for my Bendix/ACDelco brake job.
 

Stuntmanmike1977

Registered Member
Original poster
Nov 21, 2021
18
Sanford, Maine
Ok. My rotors now are glazed like mirrors and did not want a repeat. But if it worked for others and yourself I'll give that a try. Thanks for the insights. My truck is far from perfect but just want to make sure everything is good mechanically.
 
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