At a constant highway speed on a typical straight road,lead/pull is the amount of effort required at the steering wheel tomaintain the vehicle's straight path.
Important:Vehicles will tend to lead/pull in the direction of the roadslope as part of normal operation.
Lead/pull is usually caused by the following factors:
Road slopeVariability in tire constructionWheel alignment (front cross caster and camber)Unbalanced steering gearElectronic Power Steering (EPS) steering position and torquesensors not calibrated correctly, if equipped.
Tire Dismounting and Mounting (Valve Stem and TPM Installation) Wheels
Torque Steer Description WheelsPower Steering System Flushing Hydraulic Steering
Note:Do not reuse any drained power steering fluid regardless ofappearance or condition.Raise the vehicle until the front wheels are off the ground.Refer toLifting and Jacking the Vehicle.Place a large drain pan under the vehicle in order to collectthe draining fluid.Remove the fluid return hose at ...