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Caliper piston post cleaning won't screw in

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Apr 1, 2024, 10:39 AM

Post #1 of 2 (370 views)
Caliper piston post cleaning won't screw in Sign In


2013 Hyundai Elantra limited (manual)
110k miles

Hi guys,

I was changing the rotors and brakes on my Elantra and the rear passenger side won't screw back in. I do have the tool, and I've done this brake job 2 other times in the past without issue. I pumped the brake until the piston popped out and cleaned any corrosion with a dremel. It does not appear in bad shape. I go to screw it back in, and it catches the threads and turns easily by hand for approximately 2 rotations, then bam, just stops, and cannot advance even with the tool. I was going to buy a new caliper, but was thinking I'd check here first to see if there's something I haven't tried.


(This post was edited by bigst79 on Apr 1, 2024, 10:40 AM)

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Apr 1, 2024, 1:00 PM

Post #2 of 2 (341 views)
Re: Caliper piston post cleaning won't screw in Sign In

If you popped the piston out of that caliper you are in a bit of trouble getting it back together.

The best thing you can do now is replace the caliper


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.


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