Hotchkis 1202AA Trailing Arms, Upper, Double Adjustable, 68-72 GM A-Body - Manual (Page 12)

13. Install the thrust washer onto the unflanged side of the can.
12. Install your new Hotchkis adjustable upper trailing arms in the same manner as the stock removal. Make
sure the grease fittings on the front end are facing downward. Use all new hardware provided in your kit.
14. Reinstall the rear shocks and sway bar.
15. Make sure all hardware is fully tightened.