A technician will lift and support the vehicle to diagnose a worn or damaged track bar. The bushings or ball joints on the ends of the track bar are checked for excessive play or for a clicking sound when the bar is rotated slightly. This would indicate the bushings or the ball joints are worn out. Any marks indicating impact to the bar are noted, as are any unusual bends. (Some track bars have a natural curve or bend to them, making identification of irregular bends difficult).

To replace a track bar, a technician will lift and support the vehicle. It may also be necessary to support the suspension axle with special jacks. The mounting bolts on each end are removed - or the ball joints are disconnected (this may require a special tool called a ball joint separator) - and the track bar is pulled from its location. In some cases it may be necessary to remove the track bar mount along with the bar. The new bar is prepped for installation (some ball joints require that a grease fitting and grease be installed) and set in place. The fasteners are installed and torqued to specifications. Some track bars are adjustable and need to be set to make sure the suspension is centered in the vehicle.

RepairPal recommends a full inspection of suspension components if the track bar is worn out and in need of replacement. A wheel alignment should also be done to make sure the suspension is in the correct position for proper vehicle performance and to prevent uneven and premature tire wear. This includes any time modifications to the suspension are done.

Some vehicle owners like to increase the ride height of a vehicle by lifting the suspension. This is accomplished by adjusting a torsion bar, adding coil spring extensions or longer springs, or adding leafs or extended brackets to leaf springs. Lifting a vehicle that includes a track bar will force the suspension over to one side. In that case, a new track bar that is longer - or one that adjusts - should be installed to compensate for the additional height and to center the suspension in the vehicle.

Track bar replacement on most vehicles can be done by someone with intermediate do it yourself experience, provided safety measures are considered when lifting and supporting the vehicle. A wheel alignment should still be performed, especially if modifications have been made to the suspension, to ensure that the axle is centered on the vehicle.