'96 3.2 TL: How do I compress the rear caliper brake piston - AcuraZine Community
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Old 06-24-2010, 6:06 PM   #1
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'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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Old 06-24-2010, 6:19 PM   #2
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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.
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Old 06-24-2010, 7:07 PM   #3
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they have a certain tool u can use to screw in the rear piston
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Old 06-24-2010, 7:10 PM   #4
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i have no idea what its called but it is shaped as a cube with different shapes on each side . u attach it to a ratchet and crank the piston in . u can purchase at any oreillys store
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Old 06-24-2010, 7:25 PM   #5
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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
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Old 06-24-2010, 7:30 PM   #6
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i found the link for ya ..
http://www.oreillyauto.com/site/c/de...0675&ppt=C0067
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Old 06-25-2010, 12:50 PM   #7
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AutoZone let you borrow the tools for free!!!
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Old 07-03-2010, 3:43 PM   #8
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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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Old 07-04-2010, 1:19 PM   #9
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what tool did u use
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Old 07-04-2010, 1:41 PM   #10
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The tool shown in the picture you posted above.
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Old 07-05-2010, 11:05 AM   #11
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glad to know i was of help . i was going to change a friends brakes today but the screw was on so tight that it broke 2 of my 12mm sokcets and then i told him i could no longer do it
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Old 07-05-2010, 11:05 AM
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