Front end shakes while braking

Tiny
JNGROLL
  • MEMBER
  • 2009 CHEVROLET IMPALA
  • 90,000 MILES
When going down hill at 50-75 mph and begin braking, the front end will shake. Shaking gets worse as number of braking attempts increases. Has reached a point of serious safety concern. Previously, rotors have been replaced, 4 new tires installed (old tires had strange wear pattern -- lot of cupping) alignment done. Never did solve problem. Has been a problem since buying the car with approx. 20,000 miles.
don't notice the problem when breaking on level ground or just driving without braking.
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Thursday, August 29th, 2013 AT 11:32 AM

1 Reply

Tiny
SATURNTECH9
  • MEMBER
Hello,

I have seen the ABS brake controller have an issue where it pulsates the front calipers here is how you can replace the controller in the diagrams below. Check out the diagrams (Below). Please let us know what happens.
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Thursday, August 29th, 2013 AT 1:05 PM

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