Chapter 28

Steering System Overview
Steering Geometry
Rack-and-Pinion Steering Gear and Linkage
Parallelogram Steering Gear and Linkage
Steering Columns
Steering Boxes
Steering Box Types
Four-Wheel Steering Systems
Power Steering
Hydraulically Assisted Power Steering
Electric Power Steering
Higher Voltage Electrically Assisted Power Steering
Steering System Diagnosis
Tools and Equipment for Repairing Steering System
Diagnosing Steering Systems
Diagnosing Power Steering Fluid Leakage
Diagnosing Power Steering Gear Issues (Non–Rack and Pinion)
Diagnosing Power Steering Gear Issues (Rack and Pinion)
Diagnosing Steering Column Issues
Steering System Maintenance and Repair
Checking and Adjusting Power Steering Fluid
Replacing Power Steering Pump Filter(s)
Flushing a Power Steering System
Pressure Testing a Power Steering System
Removing and Reinstalling the Power Steering Pump
Removing and Reinstalling the Press-Fit Power Steering Pump Pulley
Inspecting and Replacing Power Steering Hoses and Fittings
Inspecting Mounting Bushings and Brackets
Removing and Replacing the Rack-and-Pinion Steering Gear
Inspecting and Replacing Rack-and-Pinion Steering Gear Inner Tie-Rod Ends and Bellows Boots
Inspecting and Replacing the Idler Arm and Mountings
Inspecting and Replacing the Pitman Arm
Inspecting and Replacing the Relay (Center Link/Intermediate) Rod
Inspecting and Replacing the Steering Linkage Damper
Inspecting and Replacing Tie-Rod Ends, Tie-Rod Sleeves, and Clamps
Adjusting Non–Rack-and-Pinion Worm Bearing Preload and Sector Lash
Inspecting and Testing Electric Power Assist Steering
Testing and Diagnosing Components of Electronically Controlled Steering Systems with a Scan Tool
Adjusting, Repairing, or Replacing Components of Electronically Controlled Steering Systems
Identifying Hybrid Vehicle Power Steering System Electrical Circuits
Disabling and Enabling the SRS
Removing and Replacing the Steering Wheel and Center/Time the SRS Coil (Clock Spring)
Inspecting the Steering Shaft Universal Joint(s), Flexible Coupling(s), Collapsible Column, Lock Cylinder Mechanism, and Steering Wheel