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.Transfer Case Assembly Replacement Automatic Transmission Unit
Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Drain the transfer case fluid. Refer toTransfer Case Fluid Replacement.Drain the transmission fluid. Refer toTransmission Fluid Drain and Fillfor the 6T30/6T40/6T45 orTransmission Fluid Drain and Fillfor the 6T70 ...