Power Steering Gear and Pump

Power steering combining a recirculating ball nut gear with a hydraulic booster controlled by a spool valve. Schematics show oil flow in straight-ahead and turn positions. It covers pitman shaft end play, power rack guide and pump belt adjustments, pump flow control, overhaul of the gear and pump, and diagnosis.

What this section covers

• Hydraulic flow schematics
• Control valve and power cylinder
• Pitman shaft end play adjustment
• Power rack guide adjustment
• Pump belt tension
• Gear and pump overhaul