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Old 04-23-2017, 08:39 PM   #3
Silent...
 
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Drives: 2012 2LT RS White Born: 11/10/11
Join Date: Nov 2011
Location: Florida
Posts: 313
Quote:
Originally Posted by BlazeNGlory View Post
Nice upgrades. Been there joint about the spotted rotors and ATS Brembos. We're these simple bolt ons or is there more to it?
These were simple to swap out. The ATS Brembos bolt right to the stock caliper mount. The dust shield had to have about an 1" of each ear (looks like two ears pointing back towards the rear of the car when you take off the stock calipers) trimmed off. I trimmed about 1.25: just to be safe using a reciprocating saw. But you can use a hacksaw to do it. Then I touched up the cut ends with some paint. And swapping out the rotors is as easy as unscrewing the T-30 screw that holds it in place. You may need a mallot or hammer and a piece of wood to help the old one's off. A wire brush would be helpful to clean up any existing rust.

I already had stainless lines. The old calipers were secured up out of the way while we mounted the new ones using new mounting bolts. We switched over the lines quickly and the bled the passenger side first, followed by the drivers side. The brembos have two bleeder screws. I ready in one thread to bleed inside and then outside and in another thread to do it the other way. We bled the insides, then outsides, and then went back to each just to be sure. So two times on each bleeder for each caliper. And keep an eye on the fluid reservior as you bleed so you don't run dry.

My purchase list

Caliper Front-Passenger
https://www.amazon.com/ACDelco-172-2...calipers+front

Caliper Front-Driver
https://www.amazon.com/ACDelco-172-2...calipers+front

Caliper Hardware Kit
https://www.amazon.com/ACDelco-18K19...TGMZBRWDEP9EQM

Pads - your choice depending on what you want to do with the vehicle. I have these for non-HPDE days - https://www.amazon.com/ACDelco-17D10...4816KKYRWW5GQB

Rotors - Contact R1 or look for their thread in the vendor classified section for the new Geomet Rotors. There are other options out there so again, do your research and select what fits your budget.

And you'll probably want to banjo washers (X4 - 2 per side) and banjo bolts. The calipers don't come with them. I had some extras from something else. You could probably take the brembo calipers to a parts store to get the right size or use a website like Rockauto to look them up.
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