[Mex]

Originally Posted by DRACO A5OG

Well, when you are tired of it popping out try the proper seal.

More importantly, check the pistons for pitting, pitting will not allow a proper seal.

http://forums.pelicanparts.com/porsche-911-technical-forum/926052-3-2-rear-42mm-caliper-pistons-product-review.html

Wow, I wish I'd come across those three months ago. I too am a huge fan of the ATE kit