Two problems related to power steering pump have been reported for the 1998 GMC Suburban. The most recently reported issues are listed below.
Nar 04/28/2003. Mr the consumer experienced problems with his vehicle. The vehicle leaked oil, engine idled roughly, coolant system leaked, there was a problem with the dome light, steering, the rear axle, the left rear glass rattled, the air condition, battery, suspension were all inoperative. The fuel filter, mirror transmission seat, seat belts, wipers, alternator, brakes, fuel pump.
Steering gear box broken internally. Weak power steering pump. Leak in braking system at axle seal. Brake pads worn out prematurely. Vehicle pulls to left when brakes applied. Left, rear seat belt would not extend after retracting. Short circuit in wiring harness under hood - harness length too short caused inability to start vehicle.