External Conditions That Affect Brake Performance

TIRES
Tires with unequal contact and grip on the road cause unequal braking. Make sure the inflation and tread pattern of the right and left tires is about equal.

VEHICLE LOADING
When the vehicle has unequal loading, the most heavily loaded wheels require more braking force than the others.

FRONT WHEEL BEARINGS
Loose front wheel bearings permit the rotor to tilt and to have poor contact with the linings. This causes erratic braking. Refer to Wheel Bearing Adjustment.

FRONT END ALIGNMENT
Misalignment of the front end, particularly camber and caster, causes the brakes to pull to one side.