S80 T6 L6-2.9L Turbo VIN 91 B6294T (2002)
2 large balls (373).
4 smaller balls (372).
Inspect one ball at a time. Ensure that there is no dirt on the ball and that the surface are smooth and shiny.
Check the four balls in the control system housing. Follow the same procedure as above.
Location of the control system housing balls
