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2016 STi Brakes Thumping
2016 STi Brakes Thumping
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Old 04-11-19, 04:54 AM   #1
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Default 2016 STi Brakes Thumping

Hey all,

I've searched and found similar threads, but have a little more than what I've seen.

Short of the long story.....

Bought used 2016 STi Base with 29K on the car. Since then have done maintenance as needed. Just had brakes done and went with KNS rotors (by DBA) and Hawk 5.0 brake pads instead of the 'large' cost it was going to be from the dealership for the Brembo stuff.

Prior to having the brakes done, I had zero issues with the brakes outside of the fact that they were getting low.

New brakes installed and they did the bedding as I did ask about that.

Initially, there was scraping and then the next day when bringing it back to the dealer, did a hard stop and then after that, started to hear a thumping when the brakes were pressed.

After a week, nothing stood out at dealership so they changed the pads from left to right and vice versa. Mysteriously....noise gone.

Have had the car for about 230 or so miles and didn't do heavy braking, but have gotten on it a little just to make sure. No noise....until yesterday. Had to brake hard as car pulled out in front of me and there it was...the noise was back.

The following video is what I can best use to describe it, as this is exactly what's happening:

99 GS300 Clunking Sound under Braking - YouTube

I don't have access to be able to look at the car. Don't have ramps nor do I have many tools. I have to rely heavily on the dealership in McKinney, TX to look at it and report back.

Any thoughts???

Today I will go out and see what I feel when I do the braking. I'll be looking for vibrations, etc and update.

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