# need help with rear brake on my 2009 matrix. piston wont go in! **URL:** \ **Category:** NYSpeed Automotive\ **Created:** [April 27, 2011, 6:39pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782 "2011-04-27T18:39:28Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![buffalo\_vr4](https://avatars.discourse-cdn.com/v4/letter/b/7ea924/32.png) [@buffalo\_vr4](https://forums.speedlife.net/u/buffalo_vr4)\ **Post date:** [April 27, 2011, 6:39pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782/1 "2011-04-27T18:39:28Z")
i have done many brake jobs and never had a problem like this. the rear piston doesnt seem to goback in no matter how much i turn it, and my resovior is open as well. anyone have any ideas or suggestions? the piston almost seems to turn freely but wont go in. ---
**Author:** ![BOBBYGRV](https://avatars.discourse-cdn.com/v4/letter/b/ed8c4c/32.png) [@BOBBYGRV](https://forums.speedlife.net/u/BOBBYGRV)\ **Post date:** [April 27, 2011, 6:40pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782/2 "2011-04-27T18:40:57Z")
try a c-clamp? ---
**Author:** ![LZ1](https://avatars.discourse-cdn.com/v4/letter/l/7ab992/32.png) [@LZ1](https://forums.speedlife.net/u/LZ1)\ **Post date:** [April 27, 2011, 6:41pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782/3 "2011-04-27T18:41:24Z")
Uhh sure you don’t need to twist it? Are there notches on the piston? Depending the ebrake setup you might… ![http://www.shop.shoodaben.com/images/Disk_Brake_Kit.jpg](http://www.shop.shoodaben.com/images/Disk_Brake_Kit.jpg) is what the kit looks like harbor freight has them cheap or you could rent from autozone ---
**Author:** ![05OrangeSS](https://avatars.discourse-cdn.com/v4/letter/0/eada6e/32.png) [@05OrangeSS](https://forums.speedlife.net/u/05OrangeSS)\ **Post date:** [April 27, 2011, 6:42pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782/4 "2011-04-27T18:42:29Z")
Dumb question but I’m assuming this doesn’t have a internal drum parking brake so here goes…are you using the right tool to compress the piston while turning it in? It should take all of 30 seconds to get it back in if you have the right tool. ---
**Author:** ![buffalo\_vr4](https://avatars.discourse-cdn.com/v4/letter/b/7ea924/32.png) [@buffalo\_vr4](https://forums.speedlife.net/u/buffalo_vr4)\ **Post date:** [April 27, 2011, 6:48pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782/5 "2011-04-27T18:48:15Z")
it’s the rear caliper, so just turning it clockwise. the c-clamp wont work ---------- Post added at 09:48 PM ---------- Previous post was at 09:44 PM ---------- > [@LZ](#): > > Uhh sure you don’t need to twist it? Are there notches on the piston? > > Depending the ebrake setup you might… > > is what the kit looks like harbor freight has them cheap or you could rent from autozone so they require turning and pressure? i use this. are they the same tool? [http://www.amazon.com/Performance-Tool-Disc-Brake-Piston/dp/B0002KO3F6](http://www.amazon.com/Performance-Tool-Disc-Brake-Piston/dp/B0002KO3F6) ---------- Post added at 09:48 PM ---------- Previous post was at 09:48 PM ---------- > [@LZ](#): > > Uhh sure you don’t need to twist it? Are there notches on the piston? > > Depending the ebrake setup you might… > > is what the kit looks like harbor freight has them cheap or you could rent from autozone so they require turning and pressure? i use this. are they the same tool? [http://www.amazon.com/Performance-Tool-Disc-Brake-Piston/dp/B0002KO3F6](http://www.amazon.com/Performance-Tool-Disc-Brake-Piston/dp/B0002KO3F6) ---
**Author:** ![05OrangeSS](https://avatars.discourse-cdn.com/v4/letter/0/eada6e/32.png) [@05OrangeSS](https://forums.speedlife.net/u/05OrangeSS)\ **Post date:** [April 27, 2011, 6:51pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782/6 "2011-04-27T18:51:04Z")
Yes they require pushing and twisting. Just go to harbor freight and buy the set. It’s pretty cheap. ---
**Author:** ![buffalo\_vr4](https://avatars.discourse-cdn.com/v4/letter/b/7ea924/32.png) [@buffalo\_vr4](https://forums.speedlife.net/u/buffalo_vr4)\ **Post date:** [April 27, 2011, 6:54pm UTC](https://forums.speedlife.net/t/need-help-with-rear-brake-on-my-2009-matrix-piston-wont-go-in/211782/7 "2011-04-27T18:54:41Z")
> [@05OrangeSS](#): > > Yes they require pushing and twisting. Just go to harbor freight and buy the set. It’s pretty cheap. ok, gonna go there first thing tomor morning. thanks everyone for the help