How to Collapse/ Compress A Twist In Rear Brake Caliper
Автокөліктер мен көлік құралдары
In this video I'll show you how to compress a screw in caliper. This particular style brake caliper has an integrated parking brake. This method used to compress this caliper is different from your conventional brake caliper as a twisting motion is needed while pressing the piston back into the piston bore.
Please note: While the majority of rear disc calipers integrated with a parking brake collapse while rotating the piston clock wise there are those that rotate counter clockwise. Please reference your repair manual for the correct rotation. ***ALSO, THIS INFORMATION MAY NOT APPLY TO ALL VEHICLES EQUIPPED WITH TWIST IN CALIPERS. SOME VEHICLES, SUCH AS HYBRID VEHICLES, MAY REQUIRE "SPECIAL" PROCEDURES AND EQUIPMENT FOR SERVICING THE BRAKES. I'D HIGHLY ADVISE USING A REPAIR MANAUL TO VERIFY ALL INFORMATION PERTAINING TO THIS PROCEDURE FOR WHAT EVER VEHICLE YOU ARE WORKING ON REGARDLESS. ***
**Also, be sure to check your brake fluid level and top off as needed after performing any brake work.**
A Link to a video showing how to diagnose a locked up brake caliper.
• How To Diagnose a Lock...
Just in case you got air in the system, here is a link to another video showing how to bleed brakes using the "buddy system".
• Video
Here is a link to a video showing how to remove seized rotor screw.
• Removing Seized Rotor ...
The tools used in this video:
The "cube" is made by Lisle and is readily available at many parts stores. The name of the tool on the package is "Disc Brake Piston Tool". There is also a number on the package that the cube comes in. Its 28600. It cost around $10- $15 and is SUPER handy for the price.
As for the big disc brake caliper tool in the big red box. This tool is made by Mac Tools. The tool number on the box is DBC2500M. It runs around $150. I've had and used this tool for years and it works great. This is a good tool to have if you plan on doing a lot of brake jobs where this tool is needed. Her is a link to the Mac Tools web site where this tool can be purchased.
www.mactools.com/en-us/Pages/S...#d=g
Repair your vehicle at your own risk!
DISCLAIMER:
Barbour's Auto Help is not responsible for any damage or personal injury incurred in the process of performing any auto repairs done by you the viewer. Automotive repair is extremely dangerous. Repair your vehicle at your own risk. It is the viewers responsibility to verify all information and procedures as outlined in YOUR REPAIR MANUAL AND OWNERS MANUAL FOR YOUR VEHICLE. Owning and using a repair manual suited for your vehicle is essential for correctly and safely performing ANY repair to your vehicle. Always wear safety glasses, protective gloves and heed all instructions for use applicable to any piece of equipment you may use. Due to circumstances out of the control of Barbour's Auto Help, Barbour's Auto Help makes no guarantee that by the use of the information given in this video a quality repair will be made. Barbour's Auto Help makes no guarantee that the information provided is totally complete, syncronized and accurate. Verify everything using an appropriate repair manual. Verify everything with your own research.
Пікірлер: 22
I've been using the cube for years. No one ever told me that you have to push while turning it. The pressure I had to exert on the cube to keep it from slipping was obviously pushing the piston in. I thought the piston had super fine threads due to how much spinning it took. Now I know to push harder. Thanks.
Man thank you! I've always just depressed calipers and never had to have some special tool. I was doing the brakes on my wife's vehicle for the first time and about lost my mind trying to push that cylinder in!
Good info Keith. The little block cube design is alittle clumsy to use but does work. Thanks!
@BarboursAutoHelp
3 жыл бұрын
No problem!
Pair of needle nose pliers worked for me
How do you know which direction to turn the caliper ( RIGHT & LEFT) side ?
I have the cube. But I can't get mine to go in. In will come out and go in enough but won't go anymore to go in all the way,even with the bleeder open to release pressure
Super educating, thanks!
@BarboursAutoHelp
2 жыл бұрын
Glad you enjoyed it!
I try twisting the piston back in with the cube. But it’s a bit hard in the beginning and the boot started to twist also. I’m assuming it’s a bad caliper?
My piston is turning quite freely with the cube but it wont retract,😮
Thanks for this!
@BarboursAutoHelp
3 ай бұрын
My pleasure!
I got a loaner caliper kit from O'Reilly's. I found the correct attachment in the kit. But when I use the tool I can turn the nut that compresses the caliper to the point where I'm bending the plate on the tool but the piston does not move. I cannot turn the handle to twist the piston. Is the piston seized? The piston will extend when braking but just will not compress enough to get around the new pads. Any ideas?
@BarboursAutoHelp
2 жыл бұрын
It's possible that the piston is stuck. However, sometimes if you push in too hard on the piston that can make it difficult to turn it. I'd try to take some of the pressure off the piston first then try to turn it. Also, you'll need to make sure you are turning the piston in the correct direction.
@billneville3405
2 жыл бұрын
@@BarboursAutoHelp Thanks for the reply. I think backing off the pressure was a good idea - just made it snug instead of turning with a wrench. Then I whacked the end of the tool a few times with a hammer and then turned it - it moved a tiny bit - which it had not done before. So I whacked it a few more times. It started to turn - just barely. I continued and it kept turning but with difficulty. Slowly it compressed and actually got easier the more it went in. So, I'm not sure if I needed to do both - back off the pressure and whack it - but it worked! Thanks for the great video and response.
Thanks for your video first off. My problem is with my wife’s 2014 Toyota Prius rear brake calliper piston. Upon changing the rotor and pads I was unable to fully retract the screw in piston so as to fit the calliper over the new rotor and pads. I just used the old worn down pads for now so that the car is drivable. I just realized that I did not open the bleeder valve when I was turning in the piston. I will note that the master brake cylinder plastic reservoir has plenty of room for more fluid and the cap on it is a snap on cap that has a top pressure release cap so I don’t believe the issue is built up pressure that is preventing the retraction of the calliper piston. ??? What to do? Do I just purchase a new calliper for the vehicle? Or is there another way to solve this problem?
@BarboursAutoHelp
2 жыл бұрын
I'm actually not too familiar with Prius vehicles. I do know that there are some vehicles that require the system to be put into a "service mode" when working on the brake system. Not sure if this is your problem or not and not sure if this is applicable to your vehicle. I'd highly advise you to obtain a repair manual for this vehicle. It's "special". Sorry I could not be of more help to you.
Question, what would make a groaning noise when coming to a very slow stop with very light pressure on the brake pedal? Happens only once in a great while. New pads and rotors all around and pads are gm oem ceramic. I heard that ceramic pads are known to make this noise... Thanks. I didn't like up the piston divit to the pad, but it SEEMS like noise is coming from the front.. Could that be it?
@BarboursAutoHelp
3 жыл бұрын
Sometimes a little grunting noise can be normal especially at the speed your talking about. I'd line those divits up if they haven't corrected already on their own.
@johnwagner4559
3 жыл бұрын
@@BarboursAutoHelp Yeah. I'm sure they already have. I haven't heard that noise for a couple weeks now so.... Thanks.
Bought tool. Tool immediately broke