So I unhooked both sets of rear brake calipers and then I compressed one side and put in the new brake pads and I went to compress the other side but it won't compress and there's like some brake fluid leaking out, what gives
Brake piston won't compress (1 Viewer)
- Thread starter dcguillory
- Start date
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The piston is probably cocked to one side and stuck. Also, that piston looks nasty. Time for rebuilt ones. Or buy a rebuild kit (04479-60030) and pistons (47731-60020).
- Thread starter
- #3
Ok. But now I fooled with it too much and it came out of the boot. Can't get the sucker back in. Undrivable makes me a little shakey
2fpower
SILVER Star
You should only do one side at a time... what likely happened is that by compressing one side it popped the other side out-- no big deal, then you tried to force it back in and it went in at angle.
Take the piston out totally and see if you can feel any bumps around it. It should be flat. You can take a scotch brite pad and clean any surface imperfections; however, if you "dented" it with the clamp, you should replace it IMHO.
Anyway, when you take out the piston, the fluid will come out too of course, then open the bleed valve and the piston should go back in the hole without pushing all that air back up the line. should go in with moderate force... by hand you should be able to put them in with solid force.
Take the piston out totally and see if you can feel any bumps around it. It should be flat. You can take a scotch brite pad and clean any surface imperfections; however, if you "dented" it with the clamp, you should replace it IMHO.
Anyway, when you take out the piston, the fluid will come out too of course, then open the bleed valve and the piston should go back in the hole without pushing all that air back up the line. should go in with moderate force... by hand you should be able to put them in with solid force.
- Thread starter
- #5
Ok got it back together with some scissors. Prolly not recommended method but hey. Will replace asap.
If you have cocked the piston in the bore and torqued on it with that clamp, you may as well buy a new caliper because odds are you have grooved the piston or the bore and it will no longer seal.
you have to "gently" line it up before you start compressing and if you have and debris behind the boot, the interior is now contaminated with that grit and will score the bore as soon as you shove it in. BTDT.
Save yourself time and go get a reman caliper from NAPA or Toyota.
you have to "gently" line it up before you start compressing and if you have and debris behind the boot, the interior is now contaminated with that grit and will score the bore as soon as you shove it in. BTDT.
Save yourself time and go get a reman caliper from NAPA or Toyota.
When compressing the caliper, always use one of the old pads against the piston so the load is spread out evenly.
