GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Century 🢒 Steering 🢒 Power Steering System 🢒 Whine Noise in Steering Pump

Problem

Action

The fluid level is low.
  1. Inspect for a fluid leak.

    2. Refer to Power Steering Gear and Pump Leaks .

  2. Add fluid as needed.

    3. Refer to Checking and Adding Power Steering Fluid .

The pressure plates are scored.

Replace the components as needed.

Refer to Power Steering Pump Replacement or Power Steering Pump Replacement .

The vanes are scored.

Replace the components as needed.

Refer to Power Steering Pump Replacement or Power Steering Pump Replacement .

The pump bushing is scored.

Replace the pump brush as needed.

Refer to Power Steering Pump Replacement or Power Steering Pump Replacement .