2002 Mustang GT rear disc brake Question

lucidsoul5 · July 21st, 2006, 02:10 PM

I have a 2002 Mustang GT and I am attempting to change the rear disc brakes. I undid the caliper bolt and slid the caliper upright to attempt to change the pads but the piston is still compressed too tight to let me get the pads out. Now I read that there is a tool to reset the piston and I assume that I need to reset the piston before I attempt to remove the old pads. Please correct me if I'm wrong. What I need to know is where do I use this special piston resetting tool is it in front of me or behind the rotor? I am still used to using a clamp so this is different. Also what is the tool called so I know what to ask for?

mdvaldosta · July 21st, 2006, 02:12 PM

It's like a little cube with notches on it, you put it on a ratchet and twist the caliper piston back in. You get it at auto parts stores, it's pretty cheap.

lucidsoul5 · July 22nd, 2006, 01:24 PM

I looked up the tool your talking about. One more question. Where is the notch to wind back the piston on the caliper. Im sure Ill see it when I take off the tire again but Id rather have an idea where to look.

99mustang232 · July 23rd, 2006, 12:47 PM

the notches you turn are on the caliper piston behind the brake pad, also make sure you don't have your e-brake engaged.

lucidsoul5 · July 24th, 2006, 04:24 PM

Thank you guys for your help. I got the tool and changed my brakes. Saving me a nice amount of cash. Without people like you helping the rest of us we would be forced to overpay for easy maintenance.

lucidsoul5 · July 24th, 2006, 04:27 PM

Ohh one more thing. It was kind of a pain in the ass, winding the piston back. But still worth it.

99mustang232 · July 24th, 2006, 05:21 PM

yeah i don't have the tool, but use a set of flat tipped pliers to do the same thing, but you have to be really careful when doing it as you found out there is a little resistence there so it is easy to mare the caliper piston surface.

July 21st, 2006, 02:10 PM	#1
lucidsoul5 Newbie Join Date: Jul 2006 Posts: 6	2002 Mustang GT rear disc brake Question I have a 2002 Mustang GT and I am attempting to change the rear disc brakes. I undid the caliper bolt and slid the caliper upright to attempt to change the pads but the piston is still compressed too tight to let me get the pads out. Now I read that there is a tool to reset the piston and I assume that I need to reset the piston before I attempt to remove the old pads. Please correct me if I'm wrong. What I need to know is where do I use this special piston resetting tool is it in front of me or behind the rotor? I am still used to using a clamp so this is different. Also what is the tool called so I know what to ask for?

July 23rd, 2006, 12:47 PM	#4
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,719	the notches you turn are on the caliper piston behind the brake pad, also make sure you don't have your e-brake engaged. __________________ ...even fire and single cammin

July 24th, 2006, 05:21 PM	#7
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,719	yeah i don't have the tool, but use a set of flat tipped pliers to do the same thing, but you have to be really careful when doing it as you found out there is a little resistence there so it is easy to mare the caliper piston surface. __________________ ...even fire and single cammin

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July 21st, 2006, 02:12 PM	#2
mdvaldosta Maintenance Man 2002 Mustang GT 11.47@120.58 Join Date: Aug 2005 Location: Valdosta, GA Posts: 3,943	It's like a little cube with notches on it, you put it on a ratchet and twist the caliper piston back in. You get it at auto parts stores, it's pretty cheap.

July 22nd, 2006, 01:24 PM	#3
lucidsoul5 Newbie Join Date: Jul 2006 Posts: 6	I looked up the tool your talking about. One more question. Where is the notch to wind back the piston on the caliper. Im sure Ill see it when I take off the tire again but Id rather have an idea where to look.

July 24th, 2006, 04:24 PM	#5
lucidsoul5 Newbie Join Date: Jul 2006 Posts: 6	Thank you guys for your help. I got the tool and changed my brakes. Saving me a nice amount of cash. Without people like you helping the rest of us we would be forced to overpay for easy maintenance.

July 24th, 2006, 04:27 PM	#6
lucidsoul5 Newbie Join Date: Jul 2006 Posts: 6	Ohh one more thing. It was kind of a pain in the ass, winding the piston back. But still worth it.

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