Power Steering System for GMC Truck GMC P42 Commercial Chassis 1997

All Description and Operation

• Power Steering Gear
• Power Steering Pump
• Power Steering System

Cleaning, Inspection, and Adjustment

• Steering Gear Adjustments
• Steering Gear Pitman Shaft Over-Center Preload Adjustment - Off Vehicle
• Steering Gear Worm Gear Thrust Bearing Preload Adjustment - Off Vehicle

Diagnostic Procedures

• Belt Squeal
• Chirp Noise in Steering Pump
• Excessive Wheel Kickback or Loose Steering
• Foaming, Milky-Appearing Power Steering Fluid
• Groan Noise in Steering Pump
• Growl Noise in Steering Pump
• Increase in Effort While Turning Steering Wheel
• Low Oil Pressure Due to Restriction in the Hose
• Low Oil Pressure Due to Steering Gear
• Low Oil Pressure Due to Steering Pump
• Objectionable Hiss in the Power Steering System
• Poor Return of Steering Wheel
• Rattle or Chuckle Noise in Steering Gear
• Rattle or Knock Noise in Steering Pump
• Steering Effort Hard in One or Both Directions
• Steering Wheel Surges/Jerks While Turning
• Swish Noise in Steering Pump
• Vehicle Leads to One Side or the Other
• Whine Noise in Steering Pump

General Diagnostic Information

• Locating Fluid Leaks
• Power Steering System Test (With J 25323-A)
• Power Steering System Test (With J 5176-D)

Mechanical Specifications

• Fastener Tightening Specifications
• General Specifications

Removal, Installation, and Replacement

• Fabricating Reservoir Caps
• Miter Box
• Power Steering Filter
• Power Steering Fluid Cooler
• Power Steering Hoses
• Power Steering Pump Replacement
• Power Steering System Bleeding
• Power Steering System Flushing
• Remote Reservoir
• Steering Gear Pitman Shaft Seal Replacement
• Steering Gear Replacement