Seized caliper?

[shlexy]

Hey guys so I have a sound coming from the front of my GX. Sounds like a rock scraping behind the brake dust shield, but its not. Checked driveshafts and parking brake and couldnt find anything so i took it to my mechanic who said it was the front diff. So i just got it regeared but its still making that sound and the shop told me my caliper was seized and missing a brake pad pin. Would a seized caliper make that sound?

 

[fjc-man]

If you can create the noise by spinning that wheel off the ground, remove the caliper, reinstall the wheel, spin it again, if you can still hear the noise, it’s the wheel bearing.

 

[shlexy]

If you can create the noise by spinning that wheel off the ground, remove the caliper, reinstall the wheel, spin it again, if you can still hear the noise, it’s the wheel bearing.

Tried spinning the wheel with it off the ground and couldnt hear it. So since its only under load, you think it would be wheel bearing? The sound is most audible at low speeds (<20) and i can hear it when im driving straight

 

[fjc-man]

You can get an already assembled, ready to bolt on, koyo bearings and new bolts, hub assembly from yotabearingsandhubs.com for 170 bucks. Definitely one of the best options out there. You’ll need a new cotter pin for the axle nut.

 

[stoshzack]

Tried spinning the wheel with it off the ground and couldnt hear it. So since its only under load, you think it would be wheel bearing? The sound is most audible at low speeds (<20) and i can hear it when im driving straight

Should be pretty easy to figure out if the caliper or wheel bearing is the culprit.

Jack up the side.

For bearing - put your hands at 12 and 6 o’clock on the tire and try to move the the tire. Try again with hands at 9 and 3 on the tire. This is a standard test for wheel bearing. If there is movement, your bearing is gone. I would replace both sides at the same time.

Caliper - Pull the caliper off. Open up the bleed valve. If you cannot compress any piston back into the caliper (I use a c-clamp), you have a stuck piston. I guess you could have a piston stuck inside the caliper (so that it won’t extend out), but not sure it would create the sound you are describing. More likely you would feel pulsating during breaking.

Are you sure that your dust shield didn’t get bent toward the tire? These can rub on the tire and/or rotor and cause funny sounds.

 

[Gxunit201]

Should be pretty easy to figure out if the caliper or wheel bearing is the culprit.

Jack up the side.

For bearing - put your hands at 12 and 6 o’clock on the tire and try to move the the tire. Try again with hands at 9 and 3 on the tire. This is a standard test for wheel bearing. If there is movement, your bearing is gone. I would replace both sides at the same time.

Caliper - Pull the caliper off. Open up the bleed valve. If you cannot compress any piston back into the caliper (I use a c-clamp), you have a stuck piston. I guess you could have a piston stuck inside the caliper (so that it won’t extend out), but not sure it would create the sound you are describing. More likely you would feel pulsating during breaking.

Are you sure that your dust shield didn’t get bent toward the tire? These can rub on the tire and/or rotor and cause funny sounds.

Additionally, a stuck brake caliper is going to heat up that rotor and there will be an easily noticeable temperature difference compared to the other rotors.