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2004 Honda CR-V, ~140k miles, overall good condition. Got tie rod ends, ball joints, and shocks replaced this summer so it's probably not any of those. The wobble showed up suddenly about a week ago and has come and gone since then--it only appears at highway speeds (>~60mph) though sometimes it will be slight and sometimes it will be dramatic and terrifying.

The car is in the shop right now, and the guy at the shop said it's likely to be a busted tire belt, which would mean replacing that tire. So I'm likely to find out what's happening by close of business today, but I want to put this question up to find out if there are any other potential causes, and also for posterity since I haven't found much else about this specific issue. Will update when I hear back from the shop.

Tom Warner
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1 Answers1

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Just heard back from the shop.

Apparently the master cylinder is not draining correctly, which is causing the brake pads to stick. Over time, this warped the rotors, so that's where the wobble is coming from--it happens even when I'm not actively braking because the pads are staying stuck to the rotors.

The shop is replacing the master cylinder to deal with the sticking, and the rotors since they're warped. They're also going to do a full brake fluid exchange.

Final update: Got the car back with new front rotors, front calipers (apparently those were also bad), and master cylinder. No more wobble and everything is smooth. Cost a bunch of money but at least I've got a working car again.

Tom Warner
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