Removal & Installation
If the vehicle is equipped with air suspension, the electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the luggage compartment. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations. Failure to follow these instructions may result in personal injury.
On 2005 models, the ball joint is not serviced separately. If the ball joint is faulty the lower control arm and ball joint are replaced as an assembly.
If equipped with air suspension, the air suspension service switch to the
position before raising the vehicle.
Place supports under both sides of the frame behind the lower control arms.
Remove or disconnect the following:
Ball joint boot seal and discard
Fig. Use a ball joint press to remove the ball joint from the lower control arm
When installing a new ball joint, the protective cover should be left on to protect the ball joint seal during installation. It may be necessary to trim the cover so it can pass through the installation tool.
Install the ball joint.
Fig. Use a ball joint press to install the new ball joint into the lower control arm
Discard the protective cover and be sure the new ball joint is fully seated in the lower control arm. Ensure that the ball joint seal is not damaged.
Install or connect the following:
Wheel. Tighten the lug nuts in a star pattern to 100 ft. lbs. (136 Nm).
If equipped with air suspension, turn the air suspension service switch to the
Check the front end alignment.