Uneven Tire Pressure or Alignment
Uneven tire pressure or alignment can make a vehicle pull or drift and can be mistaken for a brake problem. If the pull happens all the time, check tires and alignment before blaming brake hydraulics.
Can I Drive?
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Most Likely Causes
- 1
Different tire pressures side to side
A low tire on one side changes rolling resistance and can pull the vehicle.
- 2
Uneven tire wear or tire conicity
A damaged or internally shifted tire can pull even if pressure is correct.
- 3
Wheel alignment out of specification
Toe, camber, or caster differences can cause drift or steering wheel off-center.
- 4
Suspension wear affecting alignment
Worn tie rods, ball joints, bushings, or struts can make alignment unstable.
How to Diagnose It
- 1
Set all tire pressures to spec
Adjust cold tire pressure to the door placard, then road-test on a flat road.
Tool: Tire pressure gauge
- 2
Inspect tire wear and rotate side to side if appropriate
Look for feathering, cupping, edge wear, or belt shift. Some tire rotations can confirm tire pull.
Tool: Tread depth gauge
- 3
Check alignment and suspension play
Inspect steering and suspension parts before performing alignment.
Tool: Alignment rack, pry bar
How to Fix It
Correct tire pressures and replace damaged tires
Set pressures correctly and replace tires with belt damage or severe uneven wear.
Perform alignment after suspension check
Align the vehicle after worn parts are ruled out or replaced.
Repair worn steering or suspension components
Replace worn parts that prevent stable alignment.
Mistakes to Avoid
- Do not diagnose brake pull until tire pressure and tire condition are checked.
- Do not align a vehicle with loose suspension parts.
- Do not ignore a tire pull that changes after rotating tires.
