GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Steering 🢒 Power Steering System 🢒 Steering Wheel Surges/Jerks While Turning

Possible Cause

Correction

The fluid level in the pump is low.
  1. Add power steering fluid, if needed. Refer to Checking and Adding Power Steering Fluid .
  2. Inspect the pump for leaks.

The pump belt slips.

Replace the belt. Refer to Drive Belt Replacement 4.3L or Drive Belt Replacement 4.8L,5.3L,6.0L in Engine Mechanical.

The pump pressure is insufficient.

Refer to Power Steering System Test .