'96 3.2 TL: How do I compress the rear caliper brake piston
I need to change my rear brake pads on my '96 3.2 TL for the 3rd time in 240,000 miles.
The first time I completely removed the calipers from the vehicle and then forced the caliper piston back in using a hammer. I did this because I didn't know what I was doing and because the odd shape of the caliper made using a C-Clamp impossible.
The 2nd time I just replaced the calipers with rebuilt parts - so I did not need to reset the brake piston.
Now I want to do it right, but I need help from someone with experience on a 1st gen 3.2 TL. Once I have the rear caliper removed from the mount bracket and the pad shims and brake pads have been removed, how do I reset the brake piston?
NOTE: I have the full service manuals, but could not find instructions in section 19-17 Rear Brake Pads Inspection and Replacement.
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the rear piston needs to be screwed in, not clamped in like the front. the face of the piston looks like a + sign slotted into it, get whatever you can slot into the grooves and turn it in. i used a handle from a pair of pliers to give me more leverage/torque, a screwdriver may work as well. good luck.
heres a pic of it . for our rear brake pistons u use the side with 4 bumps, one on each corner. attach it to a ratchet and line it up with the piston and it will grip the piston so u can crank it in .. and make sure when u screw the piston in to make the piston a t and not an x because it will eat the pads faster
I changed the rear pads last night. The job took 60 minutes. It took me a while to reset one of the caliper pistions, but I got it done.
The passenger side pads had more than 50% of their life remaining. The drivers side inside pad was OK, but the outside pad was almost 100% gone, particularly along the outside of the rotor. The wheel rotates freely, but perhaps the caliper is seizing intermittently. I'll monitor the new pads for excessive heat and wear.
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