HELP! Humming noise @ 1000rpm Abc problem??
10-29-2012, 07:22 PM
#1
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2001 s55 Amg
HELP! Humming noise @ 1000rpm Abc problem??
I have a 2001 s55 amg w220
everytime im slowing down the car starts this humming noise @ 1000 rpm's. And also the abc is very sensitive, every speedbump hit, the drive carefully message pops up! please help
everytime im slowing down the car starts this humming noise @ 1000 rpm's. And also the abc is very sensitive, every speedbump hit, the drive carefully message pops up! please help
10-31-2012, 02:42 AM
#3
MBworld Guru
Long shot, but maybe the accumulator on the pressure relief valve (or off one of the valve blocks) has blown? When you hit a bump, the accumulator is not absorbing the pressure spike, causing the ABC warning light.
