Wheel Chirp Brake Squeel 87 560sl

[cewoz]

I have an 1987 560sl 110k miles. I had a little steering wheel vibration took it to a tire shop had all tires rebalanced all were off. Left the tire shop got the car to speed wheel vibration nearly gone, might need alignment.

Drove the car the next day about 50 miles on the freeway felt great! I got off the freeway using the brakes, and started to get a high pitch brake squeel when applying brakes. Then without braking started to get a chirping sound coming from the driver front wheel. Parked the car went to a 6 hour meeting and had to drive someone to airport. No chirping sounds or brake squeel. Was kinda hot here in NJ about 75 degrees, brakes got warmed up in a few minutes and chirping sound commenced along with a really loud brake squeel when applying brakes. Drove the car 50 miles home and directly to the tire shop.

I took the car back to the tire shop it sat for about 10mins or so they spun the wheels on lift by hand, no chirping, they pulled the wheels no visible rubbing of caliper, brake pads good. They took car for a ride and heard no sounds. I leave shop drive the car a few miles, chirping comes back, i return to shop reproduced sound was told it was normal brake squeel.

The chirping seems to only happen after driving for awhile like heating up the tires, rotors, brakes etc. Once the brakes get hot i get a constant chirping, and a loud squeel when applying brakes.

I drove it around 2o mins the other day was a colder day no brake squeel or chirping. Drove it a little longer got brakes hot...squeel and chirp came back.

Any Ideas?

Is there a certain way the rim goes back on the car?
Driver side center hub seems a bit warmer then the passenger? Bearings?

Let me know your thoughts
Thanks

[SGH89_560SL]

I am having a squeeking problem too and would be very interested in the details of posibilites...I am thinking this is either a rotor issue....definitely is a brake issue to me.?

[cewoz]

I used brake clean on my brakes and the chirping has subsided a bit. Every so often i get a squeek when i apply the brakes but the chirping hasnt seem to come back. When i took the tire off and spun the rotor is seems to be a little warped. My next solution is to the brake shop and replace rotors and pads.

[cewoz]

SGH89_560SL-

I checked your profile page it looks like we have the exact same car! Color etc..is yours an '87?