One problem related to engine grinding noise has been reported for the 1999 Chevrolet Suburban. The most recently reported issues are listed below.
When brakes are applied front pulls to left, and sometimes to right. This also happens when a bump in road is hit. Dealer has worked on this vehicle a number of times, but problem has not been solved. Consumer also complains of soft pedal, steering wheel also pulsates when braking, dealer has switched rotors from side to side, replaced out of round rotors, replaced front brake pads twice, and resurfaced rotors and drums, dealer rotated tires and vehicle still pulled. Steering wheel found off center. Center seat recliner handle broke, dealer replaced handle. Vehicle experienced oil leak. Driver door power switch loose in door. Reverse low planetary gear was broken causing a grinding noise at low gear, valve body and gear were scored due to metal in transmission. Air pump replaced due to being very noisy.