Worn struts

Inspect front struts.

Refer to Suspension Strut and Shock Absorber Testing - On Vehicle in Suspension General Diagnosis.

Alignment out of adjustment

Measure wheel alignment , adjust as necessary. Refer to Wheel Alignment Measurement in Wheel Alignment.

Tire lead or pull

Inspect the tires.

Refer to Radial Tire Lead/Pull Correction in Tires and Wheels.

Weak or broken springs

Inspect for weak or broken springs. Replace as necessary.

Refer to Front Coil Springs Replacement in Front Suspension or Coil Spring Replacement in Rear Suspension.