GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Jimmy - 4WD 🢒 Steering 🢒 Power Steering System 🢒 Whine Noise in Steering Pump

Problem

Action

The pump shaft bearing is scored.
  1. Replace the housing and the shaft.
  2. Flush the system. Refer to Power Steering System Flushing .