GMC T SERIES 1999 car safety problem was reported on June 01, 2000.GMC T SERIES 1999, manufactured by GENERAL MOTORS CORP. had a problem with STEERING:GEAR BOX (OTHER THAN RACK AND PINION) . CONSUMER CAN HARDLY KEEP VEHICLE ON ROAD, ESPECIALLY ON ROUGH ROADS, VEHICLE WILL NOT STEER STRAIT. *AK.Gmc T Series 1999 problem was reported in RICHMOND, CD. Vehicle was not using Cruise Control. Report Your Car ProblemGo Top