Vibration while braking.

5

Asked by Jul 08, 2012 at 01:37 PM about the 2001 Chevrolet Silverado 2500HD LS Extended Cab 4WD

Question type: Maintenance & Repair

Changer out rotors and pads and still vibration continues while braking

6 Answers

247,055

Jack the truck up so the wheel's off the ground and grab the wheel and try to shake it. If there's play inside the hub it's the bearings. Also if the vibration is consistent when braking I would perform a runout inspection of the rotors and hubs. New rotors aren't necessarily going to be straight. Surface imperfections ( a difference in friction coeffcient ) on the rotor can cause a vibration when no measurable runout exists. There are many things that can cause a brake vibration, worn wheel bearings, worn/loose suspension components etc.

4 of 4 people found this helpful.
1,345

do you feel the vibration in the steering wheel or more in the seat? Did you replace pads and rotors in front and rear?

2 of 2 people found this helpful.
5

Not feeling it in the steering wheel. Its more like a hopping feel. Rotor and pads on front just pads on read

1,345

Did you machine the rear rotors? Was there any rust on them? Rust is very common on rear rotors on the inside

5

No exteria rust just a visual check thou. Used a straight edge to check rotor face.

1,345

it would be hard to check the inside of rotor with a straight edge. do you know if your parking brake uses the rotor in rear or does it have a drum style within the rotor? if its through the rotor try to apply that brake slowly to try to simulate your problem without front brakes in the equation

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