98 Legacy Rear wheels-loud metallic squeal?

[vintagejoe]

When car has been driven for at least 30 to 40 minutes, when I slow down--I hear a rather loud metalic noise when coasting---(doesn't happen under braking) from rear wheel area.

I had front caliper replaced recently, and mechanic checked rear brakes and gave okay.

One other thing, I brought it by him, all warmed up, recently and he measured temperature at wheel opening---120 degrees from both front wheels and 230 degrees from both rears???

Any ideas???

[Legacy777]

If you hear it only under light braking, or no braking, then it's probably just the pad making noise due to it not fitting perfectly in the caliper bracket.

 

You could try some CRC disc brake quieter. It's a redish-orange goo.

[nipper]

When car has been driven for at least 30 to 40 minutes, when I slow down--I hear a rather loud metalic noise when coasting---(doesn't happen under braking) from rear wheel area.

I had front caliper replaced recently, and mechanic checked rear brakes and gave okay.

One other thing, I brought it by him, all warmed up, recently and he measured temperature at wheel opening---120 degrees from both front wheels and 230 degrees from both rears???

Any ideas???

 

you have a sticking caliper or something in the rear. The fronts do all the work, the reas keep the car stable. Is that temp at both wheels on both axles?

 

nipper

[gbhrps]

You have either brake pads that are sticking (read rusted) in the caliper slides, or you have rear caliper pistons that are rusted and are sticking. Regardless, what is happening is that you can overpower the sticking when you brake and the squeal is not there. However, when you release the brake pedal, the pads can't slide back away from the rotors (because they are seized or the calipers are seized) and that is causing your squeal and the dragging is causing the heat build up. Your sticking caliper on the front that you had replaced was the hint that the other three weren't far behind. Its not the end of the world. Everything may be able to be taken apart and cleaned (pads, slide pins, caliper pistons) and when properly lubed may be just fine. Then again things may be too far gone, dictating new calipers and pads. If the calipers are at fault, then your brake fluid was not changed every 3 years as stated in the owner's manual. Good Luck! I hope you can get this corrected without a great deal of money.

[vintagejoe]

Thank you so much. I'll print out the message and bring it to my local mechanic. He is the best in our town. Your help has certainly saved me the dreadful trip to the subaru dealer. How's this for a dreadful scenario: if my wife goes to the subaru dealer with this problem--- we're looking at about an $1100 bill.