PDA

View Full Version : Brake Knock in Reverse



Addison
10-15-2011, 11:07 AM
Issue: I'm getting a knock when I first touch the brakes while moving in reverse. Once I've got it to knock, it won't again until I move forward, apply the brakes, then do the same thing in reverse.

History: Now I did my brakes (Pads and Rotors) this summer and everything went smoothly. I did the whole shebang. New caliper slider bushings (lubed), caliper kit... everything.

I've done some looking around, and on a couple other car forums, there's been a consensus (hell even a TSB from the dealer) that it's caused from the pads shifting in the caliper bracket. (Saab - http://www.saabcentral.com/forums/showthread.php?t=67122&highlight=brakes+clunk+reverse)

So I took the bracket off and I can't possibly see how the pads could shift back and forth. They're in their pretty damn well. I've also verified that the housing/slider bolts are tight from the back.


Thoughts?

vinnierap
10-15-2011, 04:56 PM
No thoughts on the matter, but I have a 2011 speed that does the same thing.

CelestSpeed3
10-16-2011, 01:13 AM
Mine does it to, no worries just noise.

shu5892001
10-16-2011, 04:11 AM
i have it too, i even have it when i press the brakes on the road...

bluemazda3
10-16-2011, 04:39 PM
mine knocks something when i reverse.. but i think mines caused by rust on the rotor from rain..