Tools Required
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Special Tool: J 8001 Dial Indicator Set
NOTE:
The vehicle must rest on a level surface.
NOTE:
The vehicle must be stable. Do not rock the vehicle on the floor stands.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
- Clean and inspect the ball joint seal for cuts or tears. If the ball joint seal is damaged, replace the ball joint or the lower control arm as necessary. Refer to Lower Ball Joint Replacement (2500 Series) in Front Suspension.
- Support the lower control arm with a floor stand as far outboard as possible and raise the suspension until the lower control arm moves 25 mm (1.0 in.).
- Install and position the dial indicator from J 8001
to measure the vertical lash in the ball joint.CAUTION: Do not pry in such a way that the ball joint seal is contacted. Damage to the seal may result.
- Lift the knuckle towards the lower control arm and record the dial indicator measurement.
- If the dial indicator reading is more than 0.50 mm (0.020 in.), replace the ball joint or lower control arm as necessary.