[cdb95z28]

Red high temp/high strength threadlocker. Permatex 27200 is what I use. The yellow is GMs threadlocker. Use atleast an 18-24" breaker bar. No impact guns, that is hard on bolts. You can turn the steering to access the bolts better.

[BanOne]

So after doing some work on the rotors this weekend with a rotor hone and a bit of sanding disk on a rolock. I am convinced that it is from moisture getting caught between the pads and the rotors after I got home from the track and washed the car and not from pad transfer from overheating the breaks during the track day. After using the hone and rolock. I can still see some slight pitting where the pad was stuck on the rotor. I cleaned things up as best as I can but you can still feel it slightly. I am going to put the old pads back in and run them for a bit to see if it wears out the pitting. One other person mentioned it but has anyone else had this happen? From now on after I clean up after a track day I will be sure to take the car for a spin to heat the breaks up and get the moisture out.

[arpad_m]

Originally Posted by BanOne

So after doing some work on the rotors this weekend with a rotor hone and a bit of sanding disk on a rolock. I am convinced that it is from moisture getting caught between the pads and the rotors after I got home from the track and washed the car and not from pad transfer from overheating the breaks during the track day. After using the hone and rolock. I can still see some slight pitting where the pad was stuck on the rotor. I cleaned things up as best as I can but you can still feel it slightly. I am going to put the old pads back in and run them for a bit to see if it wears out the pitting. One other person mentioned it but has anyone else had this happen? From now on after I clean up after a track day I will be sure to take the car for a spin to heat the breaks up and get the moisture out.

My amateur a** would head on over to a (previously vetted) dealership and ask them to turn the rotors just enough to get this out, then re-bed the pads and call it a day with perfect rotors, pads and no squeaks or steering wheel shake.

[Christian1LE]

Originally Posted by BanOne

So after doing some work on the rotors this weekend with a rotor hone and a bit of sanding disk on a rolock. I am convinced that it is from moisture getting caught between the pads and the rotors after I got home from the track and washed the car and not from pad transfer from overheating the breaks during the track day. After using the hone and rolock. I can still see some slight pitting where the pad was stuck on the rotor. I cleaned things up as best as I can but you can still feel it slightly. I am going to put the old pads back in and run them for a bit to see if it wears out the pitting. One other person mentioned it but has anyone else had this happen? From now on after I clean up after a track day I will be sure to take the car for a spin to heat the breaks up and get the moisture out.

I don't know, it looks to me like the parking brake was applied while the brakes were still hot.

[olblue75]

Originally Posted by Christian1LE

I don't know, it looks to me like the parking brake was applied while the brakes were still hot.

Christian thats a front rotor not a rear.

I had this happen on my 5th Gen when it sat for a few months while I deployed. It stuck so hard when it broke loose it tore a big chunk of pad out!! It took several hours of scrapping and sanding to get it about 80% then I drove/braked the rest out you cant even see it now.

[Christian1LE]

Originally Posted by olblue75

Christian thats a front rotor not a rear.

I had this happen on my 5th Gen when it sat for a few months while I deployed. It stuck so hard when it broke loose it tore a big chunk of pad out!! It took several hours of scrapping and sanding to get it about 80% then I drove/braked the rest out you cant even see it now.

Oops you're right, still looks like the brakes were baked onto the rotors to me. I've never seen moisture do that to any of my cars.

[Trochoidal]

Originally Posted by BanOne

Holy Crap What does GM use for thread lock!!! Took some serious effort to get the bolts for the calipers out. Holes were full of some sort of yellow powder/gunk. Was thinking of using blue loctite to put them back but do I need Red or something else.

Thanks

That yellow GM threadlocker is no joke. Those bolts were a PIA to get out even after they broke loose. I didn’t use air/electric impact and instead used this wrench. It helped a lot and I was surprised it didn’t break the ratcheting mechanism.

https://www.summitracing.com/parts/TTN-12024

[BanOne]

Originally Posted by Christian1LE

Oops you're right, still looks like the brakes were baked onto the rotors to me. I've never seen moisture do that to any of my cars.

I am 100% convinced it was the wash after the track day that did it. I live about 2.5 hours from the track, so I loaded the car, drove home and unloaded the car before washing it. Everything was cool, car rides on trailer on the way home no brakes just strapped down. After wash I pulled car into stall and left, that was my mistake. I was out of town for about a week and then did not get back to the shop until the following weekend, so almost two weeks of the brake pads holding moisture close to the rotors. Put car back together last night and took for a spin and feels much better but still can feel it a bit but it should wear off at Daytona on friday in the first couple laps. As an interesting side point, I found this in the caliper when cleaning things up. That's a wheel weight, not sure how it got there.

[arpad_m]

Originally Posted by BanOne

As an interesting side point, I found this in the caliper when cleaning things up. That's a wheel weight, not sure how it got there.

That's the ultimate sophistication right there, even your caliper is balanced now

[BanOne]

Originally Posted by arpad_m

That's the ultimate sophistication right there, even your caliper is balanced now

[cdrptrks]

Originally Posted by BanOne

I am 100% convinced it was the wash after the track day that did it.

Agreed, I had a similar situation where I had to rev to 3k rpm to get the car to move when I pulled it straight into the garage after a car wash and let it sit for several days before driving it. Then I had a vibration while moving that was so bad I thought something was broken until I took off the wheel and found 2 raised pieces of brake pad stuck to the rotor which I was able to manually remove with garnet paper which fixed the issue and now I drive for a few miles after washing the car to dry the brakes out.

https://www.camaro6.com/forums/showthread.php?t=529603

https://www.camaro6.com/forums/showp...21&postcount=9

[ICTsccaCamaro]

Last track season I was dealing with a front brake vibration issue also, me being a tech at a dealership assumed warped rotors but asked on here and ended up buying the brake hone, used it and tested it out and it was maybe 25% better but still a pretty heavy vibration.
Finally pulled the rotors off and turned them at work and found one was still very true and straight and the other was warped. Turned both with a light of a cut as I could (to keep as much material on the rotor as possible) and they have been great ever since.

[2004YZFR1]

Originally Posted by ICTsccaCamaro

Last track season I was dealing with a front brake vibration issue also, me being a tech at a dealership assumed warped rotors but asked on here and ended up buying the brake hone, used it and tested it out and it was maybe 25% better but still a pretty heavy vibration.
Finally pulled the rotors off and turned them at work and found one was still very true and straight and the other was warped. Turned both with a light of a cut as I could (to keep as much material on the rotor as possible) and they have been great ever since.

I called my Chevrolet dealer and asked them if our rotors can be turned and they said they couldn’t be since it’s a 2 piece design. I also called a North American Brembo rep and asked him the same question. He said they can’t be turned also. Did you have to do anything special to turn yours at work? Thanks

[BanOne]

Originally Posted by 2004YZFR1

I called my Chevrolet dealer and asked them if our rotors can be turned and they said they couldn’t be since it’s a 2 piece design. I also called a North American Brembo rep and asked him the same question. He said they can’t be turned also. Did you have to do anything special to turn yours at work? Thanks

Had mine turned by a friend at a dealership (not chevrolet) they just need a lathe that is big enough for truck rotors.