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Symptom Chart

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SUSPENSION SYSTEM SYMPTOM CHART

Condition Possible Sources Action
  • Dogtracking
  • Excessive rear thrust angle.
  • CHECK the wheel alignment. ADJUST as necessary.
  • Front or rear suspension components.
  • Drive axle damaged.
  • Drift/pull
  • Unequal tire pressure.
  • ADJUST tire pressure.
  • Unevenly loaded or overloaded vehicle.
  • NOTIFY the customer of incorrect vehicle loading.
  • Tire forces.
  • Excessive side-to-side difference in caster or camber.
  
  • Steering components.
  • Brake drag.
  • Front bottoming or riding low
  • Sagging spring(s).
  • CHECK the ride height. INSTALL new front spring(s) as necessary. REFER to FRONT SUSPENSION .
  • Incorrect spring(s).
  • NOTE the part number on the spring(s). NOTE the spring code on the vehicle certification (VC) label. REFER to IDENTIFICATION CODES to convert the spring code to a part number. VERIFY that the part numbers match. INSTALL new spring(s) with the correct part number if necessary. REFER to FRONT SUSPENSION .
  • Front suspension bumper(s).
  • Incorrect tire wear
  • Incorrect tire pressure (rapid center rib or inner and outer edge wear).
  • ADJUST tire pressure. REFER to the VC label
  • Excessive front or rear toe (rapid inner or outer edge wear).
  • CHECK the wheel alignment. ADJUST as necessary.
  • Excessive negative or positive camber (rapid inner or outer edge wear).
  • CHECK the wheel alignment. ADJUST as necessary.
  • Tires out of balance (tires cupped or dished).
  • BALANCE tires.
  • Rear spring squeak
  • Rear spring(s).
  • INSTALL new rear spring anti-squeak inserts.
  • Shackle bushing(s).
  • INSTALL new as necessary.
  • Rough ride
  • Shock absorber(s).
  • INSTALL new shock absorbers as necessary.
  • Weak or sagging spring(s).
  • Incorrect spring(s).
  • NOTE the part number on the spring(s). NOTE the spring code on the vehicle certification (VC) label. Refer to IDENTIFICATION CODES to convert the spring code to a part number. VERIFY that the part numbers match. INSTALL new spring(s) with the correct part number if necessary. REFER to FRONT SUSPENSION or REAR SUSPENSION .
  • Shimmy or wheel tramp
  • Loose wheel nut(s).
  • Loose front suspension fasteners.
  • Front wheel bearing adjustment.
  • Wheel or tire concerns.
  • Springs.
  • Incorrect spring(s).
  • NOTE the part number on the spring(s). NOTE the spring code on the vehicle certification (VC) label. REFER to IDENTIFICATION CODES -01 to convert the spring code to a part number. VERIFY that the part numbers match. INSTALL new spring(s) with the correct part number if necessary. REFER to FRONT SUSPENSION or REAR SUSPENSION .
  • Loose, worn or damaged ball joints.
  • Loose, worn or damage steering components.
  • Front wheel alignment.
  • CHECK the wheel alignment. ADJUST as necessary.
  • Sticky steering, poor returnability
  • Ball joints.
  • Steering components.
  • Front wheel alignment.
  • CHECK the wheel alignment. ADJUST as necessary.
  • Steering wheel off-center
  • Unequal front or rear toe settings (side-to-side).
  • CHECK the wheel alignment. ADJUST as necessary.
  • Steering components.
  • Sway or roll
  • Overloaded, unevenly or incorrectly loaded vehicle.
  • NOTIFY the customer of incorrect vehicle loading.
  • Loose wheel nut(s).
  • Shock absorber(s).
  • INSTALL new shock absorbers as necessary.
  • Loose stabilizer assembly.
  • Worn stabilizer assembly bushing(s).
  • Weak spring(s).
  • Incorrect spring(s).
  • NOTE the part number on the spring(s). NOTE the spring code on the vehicle certification (VC) label. Refer to IDENTIFICATION CODES -01 to convert the spring code to a part number. VERIFY that the part numbers match. INSTALL new spring(s) with the correct part number if necessary. REFER to FRONT SUSPENSION or REAR SUSPENSION
  • Vehicle leans to one side
  • Unevenly loaded or overloaded vehicle.
  • NOTIFY the customer of incorrect vehicle loading.
  • Front or rear suspension components.
  • Sagging spring(s).
  • Incorrect spring(s).
  • NOTE the part number on the spring(s). NOTE the spring code on the vehicle certification (VC) label. REFER to IDENTIFICATION CODES to convert the spring code to a part number. VERIFY that the part numbers match. INSTALL new spring(s) with the correct part number if necessary. REFER to FRONT SUSPENSION or REAR SUSPENSION .
  • Incorrect ride height. Lateral tilt out of specification.
  • CHECK the ride height. CORRECT the ride height as necessary.
  • Vibration/noise
  • Tires and wheel concerns.
  • Wheel bearings.
  • Wheel hubs.
  • Brake components.
  • Suspension components.
  • Steering components.
  • Wander
  • Unevenly loaded or overloaded vehicle.
  • NOTIFY the customer of improper vehicle loading.
  • Ball joint(s).
  • Loose, worn or damaged front wheel bearing(s).
  • Loose, worn or damaged suspension component(s).
  • Loose suspension fasteners.
  • Steering components.
  • Wheel alignment (excessive total front toe out).
  • CHECK the wheel alignment. ADJUST as necessary.
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