this post was submitted on 30 Sep 2024
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Mechanic Advice

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Advice for changing break pads (lemm.ee)
submitted 5 days ago by WanderingCat@lemm.ee to c/mechanicadvice@lemmy.world
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So it's come the time to break the pads on my car which is a Kia Rio. I've looked up a few things and the job seems doable by myself which saves a lot of money.

The only thing that I can't seem to find a concrete answer is if they actually need to be bled once the new pads are installed?

Thank you

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[–] SirSamuel@lemmy.world 4 points 5 days ago (1 children)

I don't know Jack about Kias, but this is how I change my pads.

I use a large C clamp to compress the brake cylinder into the caliper, which releases the pressure on the existing pads and gives room for the new pads going on. I take it slow, and have never had issues using this method

For bound bolts/nuts I use a 50/50 mix of acetone and transmission fluid on any offending parts. I wait a few minutes for it to soak in, and voila! Don't waste time with WD40, go straight to the good stuff

Since you haven't opened anything within the brake fluid system, there's no need to bleed. Except your knuckles. Wear gloves

[–] Successful_Try543 2 points 5 days ago* (last edited 5 days ago) (1 children)

To push the pistons of the rear brakes back, you probably need a special mechanical device that rotates the piston while simultaneously applying pressure to push it back.

[–] SirSamuel@lemmy.world 2 points 5 days ago (1 children)

My Transit van will probably be the first vehicle I don't do my own brakes on. I've heard the rear brakes are a chore. Sounds like Kia rear brakes are similarly annoying

[–] Successful_Try543 1 points 5 days ago* (last edited 5 days ago)

I only know from the Kia Picanto and Ford Focus, both about 20 years old. It isn't overcomplicated and the "special" device isn't that expensive, a set that will work on (almost) any car costs about 20 €.