noises when braking on 1999 Ford F-350 Super Duty

whenever i brake the truck pulsates and makes a off-and on grinding noise.brakes have been checked many times but was told a couple of times the the rotor hubs need replaced.

by in Suisun City, CA on February 22, 2011
3 answers 5 comments
ANSWER by on February 22, 2011
They are right. You just need a brake job. How much brake pad material do you have remaining? Stop by Milt's in Vallejo and let Adrian take care of it.
ANSWER by on February 22, 2011
Definitely needs rotors. Is it a 4x4? If so, does the grinding noise only occur when braking? If not, those had issues with the auto locking hubs making really weird noises intermittently.
COMMENT by on February 24, 2011
yes the grinding noise is only when i brake,pulsating too.At first i thought that rotors needed to be resurfaced but that isnt the case,had the pads replaced that didnt do it either.Yes it is a 4 X 4 V10..1999 F-350,gas engine..any solutions?
COMMENT by on February 24, 2011
Did you replace the rotors or resurface them?
COMMENT by on February 24, 2011
first resurfaced then replaced..still the same problem..a guy at work mention ther hub bearrings,is that a possibility?
COMMENT by on February 24, 2011
Yes, the hub/bearing assemblies are a possibilty. Did you just do the front brakes? I ask because this vehicle has disc brakes in the rear that can pulsate as well. Not as common as the front, but still a possibilty.
ANSWER by on March 11, 2011
Check to see if your lower caliper bolts are still in place. They can come loose and fall out. The whole caliper will pivot and rub against the inside of the wheel. Look for a groove on the inside edge of the wheel from the side of truck. Can eat into and cause wheel failure!
COMMENT by on March 22, 2011
good idea will check,thank you..
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