Archive & reference hub
MK3 / A70 markets
Manuals, parts, data

Troubleshooting assistant

Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.

Diagnostic codes
Searching in 1990 USDM TSRM.
Areas /Hard steering
Steering

Hard steering

Hard steering

Possible causes and remedies
Possible cause
Tires improperly inflated
Remedy
Inflate tires to proper pressure
Possible cause
Excessive caster
Remedy
Check front wheel alignment
Possible cause
Steering system joint worn
Remedy
Replace steering system joints
Possible cause
Ball joints worn
Remedy
Inspect upper and lower ball joints
Possible cause
Steering column binding
Remedy
Inspect steering column
Possible cause
Steering gear out of adjustment or broken
Remedy
Adjust or repair steering gear
Possible cause
Power steering belt loose
Remedy
Adjust belt tension
Possible cause
Fluid level in reservoir low
Remedy
Check reservoir oil level
Possible cause
Power steering unit faulty
Remedy
Check power steering unit
Possible cause
Solenoid valve faulty
Remedy
Inspect solenoid valve
Possible cause
Electronic control faulty
Remedy
Inspect electronic control