Ford Falcon. Manual - part 89
211-02-9 Power
Steering 211-02-9
DIAGNOSIS AND TESTING (Continued)
Condition
Source
Action
Momentary increase in effort when
Low oil level in pump
Remove/Repair as required
Pump belt slipping
turning wheel fast to right or left.
High internal leakage. Valve or gear
cylinder
Steering wheel surges or jerks when
Low oil level
Remove/Repair as required
turning with engine running, especially
Loose pump belt
Insufficient pump pressure
during parking
Sticky flow control valve
Hard steering or lack of assist,
Loose pump belt
Remove/Repair as required
Low oil level in reservoir.
especially in parking
Steering gear to column misalignment
Tires not properly inflated
NOTE: If checks 1 through 4 do not
reveal cause of hard steering, follow
the Power Steering Test Procedure.
Further possible causes could be:
Sticky flow control valve
Insufficient pump pressure output
Excessive internal pump leakage
Excessive internal system
leakage
Foaming milky power steering fluid,
Air in the fluid, and loss of fluid due to
Remove/Repair as required
low fluid level and possible low
internal pump leakage causing
pressure
overflow.
Flow-control valve stuck or inoperative
Low pressure from steering pump
Remove/Repair as required
Pressure plate not flat against pump
ring
Extreme wear of pump ring and vanes
Scored pressure plate, thrust plate or
rotor
Vanes not installed properly
Vanes sticking in rotor slots
Cracked or broken thrust or pressure
plate
Power Steering Pump (V8) Symptom Chart
Condition
Source
Action
Power Steering Fluid Level Low Leak
Jerky
Steering
Remove/Repair as required
Glazed, Loose or Broken Power
Steering Pump Belt
Air in Power Steering System
Binding Front Suspension Ball Joints
or Steering Linkage
Loose, Worn, or Damaged Steering
Linkage or Connections
Loose Steering Gear Mountings
Incorrect Steering Gear Adjustment
Incorrect Brake Adjustment
Incorrect Front Wheel Bearing
Adjustment
Wheel Out of Balance
Obstruction Within Steering Gear
Loose, Worn, or Damaged Steering
Loose
Steering
Remove/Repair as required
Linkage or Connections
Loose Steering Gear Mountings
Incorrect Steering Gear Adjustment
Incorrect Front Wheel Bearing
Adjustment
G37362 en