[Kaizer_911]

Originally Posted by Billabongi

Howdy folks, long time no talk!



Wanted to post here before I wander over to the suspension\braking forums.



Got some powerstop rotors installed recently and I have a weird scenario happening that makes no sense to me.



When braking and under any type of elevation change (bump, unevenness in the road) I get a pulsing almost grinding sound out of the left front wheel. Does not happen under regular braking or hard breaking.



To make things odder, if I go in my driveway there's a big bump and I've tried to make it reproduce it there but it won't do it. Guess because the car is barely moving.



Any ideas? This one has me puzzled?



Going to bring it back to Chevy once this COVID-19 thing is over since they installed them but it's driving my crazy right now.

I don’t have a good answer other the only thing that has changed is the rotors.

Could be issue with the brake system, or something else that was done while it was up in the air.

Brakes are a weak area for me.


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