Hope someone can help. I've read other brake squeak posts but none seem quite the same.

Firstly I get a pulsing squeak at slow speeds when there's some heat in the brakes, like a warped/mis shaped disk... Braking isn't affected at all, there's no wobbling or anything when braking. And there's no squeak when braking, it's only when rolling. Rear O/S

Secondly, I noticed on a long run my brakes faded, which hadn't happened before, even on track days.... maybe/maybe not part of the problem.

Finally, on a long run on Sunday (only an hour or so), I noticed that when turning left under pressure, so curves more than corners, a constant squeal. This has only happened the once but not in the last two days so far. Handling isn't affected. There's no grinding, or grating sounds.

It's not a metallic squeal, it's definitely sounding like pad on disk squeaking, but I could be wrong.

Any ideas where to start?

The pads, disks and calipers on the rear are new 14 months ago, and only done about 12K.

It's the latest squeal when taking a corner is the worrying thing. It's almost like something is loose or moving that shouldn't be.

FANX

 

When you did the brakes, did you use the proper brake lubrication on all the metal to metal contact points?

And were the caliper pins cleaned and regreased with the proper silicone (e.g. Sylglide) lube?

 

I can only assume yes on the grease. I didn't do the pads and calipers, my usual mechanic did.

 

Maybe you glazed-over the brake pads? Did you break-in the new pads? Lock-up the brakes?

 

Pads have now been in for over 10k, were broken in over a 100 miles or so.

 

i added grease to the pad backing plate and the squeak went away.