volvo 850 t5 brake pedal buzz

[tiktauk]

I have a '96 850 t5, the brake pedal buzzes through my foot when I brake.
This is an intermittent problem, which generally doesn't bother me.
I had the rear discs and pads replaced recently which removed the brake judder, but the buzz still remains.
A bit weird though - any ideas?

[Flatout Phil]

I have a '96 850 t5, the brake pedal buzzes through my foot when I brake.
This is an intermittent problem, which generally doesn't bother me.
I had the rear discs and pads replaced recently which removed the brake judder, but the buzz still remains.
A bit weird though - any ideas?

All my 850s have done this - sort of occasional fart from the pedal under slow speed braking on a bumpy surface (not the ABS being activated, but a rasperry from the unit). I think it is just the cranky ABS controller getting into a pickle. Don't think it has any major significance.

[Jaseb77]

proper "machine gun" brake pedal, like ABS activation at low speeds, can be issue with the ABS ring on cv joints.

My C70 was doing this, replaced both CV joints , fine now