For 1990-2009 cars

Problem | Action
--- | ---
Worn struts | Inspect front struts. Refer to Struts or Shock Absorbers Weak in Suspension General Diagnosis.
Alignment out of adjustment | Inspect wheel alignment , adjust as necessary. Refer to Wheel Alignment Measurement in Wheel Alignment.
Variable effort system malfunction | Inspect varible effort steering system, Repair as necessary. Refer to Variable Effort Steering Diagnosis in Varible Effort Steering System.
Weak or broken springs | Inspect for weak or broken springs. Replace as necessary. Refer to Strut, Strut Component, and Spring Replacement in Front Suspension.