Power Steering System for Buick LeSabre 1999

All Description and Operation

• Power Steering Gear Description
• Power Steering Pump Description
• Power Steering System Description and Operation
• Seal Replacement Recommendations

All Special Tools and Equipment

• Special Tools

All Visual Identification

• Power Steering Gear Disassembled View
• Power Steering Pump Disassembled View

Cleaning, Inspection, and Adjustment

• Checking and Adding Power Steering Fluid
• Steering Gear Rack Bearing Preload Adjustment - Off Vehicle

Diagnostic Procedures

• Foaming, Milky-Appearing Power Steering Fluid
• Increase in Effort While Turning Steering Wheel
• Low Oil Pressure Due to Steering Pump
• Power Steering System Test
• Steering Effort Hard in One or Both Directions
• Steering Wheel Kickback
• Steering Wheel Surges/Jerks While Turning
• Whine Noise in Steering Pump

Disassembly, Overhaul, Repair, and Assembly

• Power Steering Fluid Reservoir Replacement - Off Vehicle
• Power Steering Pump Flow Control Valve Replacement - Off Vehicle
• Steering Gear Boot and Breather Tube Replacement - Off Vehicle
• Steering Gear Cylinder Pipe Assembly and Seals Replacement - Off Vehicle
• Steering Gear Stub Shaft Seal and Bearing Replacement
• Steering Linkage Inner Tie Rod Replacement
• Steering Linkage Outer Tie Rod Replacement

General Diagnostic Information

• External Leakage Check
• Hissing Noise In Steering Gear
• Power Steering Gear and Pump Leaks
• Power Steering Pump Diagnosis
• Rattle in Rack and Pinion Steering Gear
• Seal Replacement Recommendations

Mechanical Specifications

• Fastener Tightening Specifications

Removal, Installation, and Replacement

• Power Steering Hoses Replacement
• Power Steering Pump Pulley Replacement
• Power Steering Pump Replacement
• Power Steering System Bleeding
• Power Steering System Flushing
• Steering Gear Boot Replacement - Off Vehicle
• Steering Gear Replacement
• Steering Linkage Outer Tie Rod Replacement