Clunking noise during braking (2 types)

I have 2 diffrent types of clinking noise issue's with my car.

During heavy braking, I can hear loud multiple clunking under the car and I knwo its not the ABS. I started to have this after i changed out to DBA slotted rotors and HPS pads on the fronts.

On my second issue, I get 1 clunk when i hit the brakes during low speeds. I can almost feel it coming from right under my car. I stared to have this after I installed Megan racing coil overs.

So what do you guys think?

Ball joints maybe? did you tighten up all of the caliper and bracket bolts after the brake job.

Yeah i pretty much tighen everything with my full might. Can they loosin over time like the nuts on the downpipe?

no, not really. they shouldnt.

I switched brake pads on my 05 2.5i to Street Performance Plus pads and had the same result with the clunking. When coming to a complete stop when braking, it starts clunking, chattering and banging. I removed the shim plates to eliminate those from generating noise, I put anti-squeal stuff on the backs of the pads, which got rid of some squealing I had at speed without pressing the brake pedal, but still have the clunking when coming to a complete stop. These aftermarket pads must not fit tight enough between the pad guides and the pad.

I am switching back to stock pads until I can find a solution.

I have this same problem

when I'm braking at low speeds its like a clunking and I can feel it in the pedal.

05 LGT Hawk HPS pads.

bumping all these threads up to solve my problem hopefully.

I have hawk hps pads on my 05 lgt. Today I started getting this problem where when I'm at low speeds its like a clunking noise when I brake and I can feel each clunk it does in the pedal. Also when I got home tonight I noticed that when I'm coasting I can hear like a slight grinding on the rotors like if the pads were still up against it but not enough to ever slow the car just rubbing along slightly.

Originally Posted by whitetiger

no, not really. they shouldnt.

Unless it was overtightened or not lined up and the threads are crossed. Your brakes shouldnt be making all that noise (assuming it is in fact coming from the brakes).

Take your wheels off, and recheck everything. Id loosen some of the bolts and re-tighten just to make sure. The caliper guide bolts are usually a fairly low torque spec while the caliper brackets are higher.

Also re-check and torque your wheels.

Did you resude the guide shims on the sides that hold the "ears" of the pad?

My problem ended up being warped rotors. Had Subaru dealership turn them under warranty and the problem was fixed. This was the first time I had ever had warped rotors make this type of noise issue, but that was definitely the problem. I even tried 3 different brake pads before taking it in for Subaru to deal with and they all made the noise. I would try having your rotors turned.

same prolbem put new front pads in about 10k miles ag and at low speeds when I hit the brakes it sounds like something breaks right under front left tire real loud. I thought it was the tire rubbing but there is ample room. no idea

Originally Posted by Brad023

same prolbem put new front pads in about 10k miles ag and at low speeds when I hit the brakes it sounds like something breaks right under front left tire real loud. I thought it was the tire rubbing but there is ample room. no idea

Depending on the pad manufacturer, sometimes during the manufacturing process, pad backing plates are sourced from different vendors. If the ears of the pad are slightly smaller or off, the pad can rattle in the caliper.

Try using brake grease on the ears of the pad backing plate and also put that brake quiet goo on the backing plate itself. This will prevent clunking sounds, IF they are a result from pad backing plate manufacturing tolerances.

Hope that helps.

Originally Posted by Brad023

same prolbem put new front pads in about 10k miles ag and at low speeds when I hit the brakes it sounds like something breaks right under front left tire real loud. I thought it was the tire rubbing but there is ample room. no idea

This is the exact same thing that was happening with me. I tried the brake goo and grease and it only helped for like 100 miles then the noise came back. I bet your rotor is warped enough that it is causing the noise.

Hi guys, I am hoping you could shed some light with my problem also. Mine is a 2.5i Legacy 2005. I am having this grinding noise in my left rear wheel whenever I press the brakes, but the sound is there only if the speed is very slow. Braking at high speeds I don't hear the grinding noise. Haven't have it checked yet, was hoping I could get a vague idea as what the problem is.

Check your pad wear... could be a sticking caliper perhaps?

I don't think its a sticking caliper, coz whenever I release the brakes the grinding sound stops. Sound is only there when I press the brake pedal at very slow speeds, slow means almost to a stop.