V 20 P/U 4WD V6-262 4.3L (1987)
Fig. 11 Gauging seal retainer
9.
Install new sleeve retainer so its flange face will be against front end of sleeve, then using sleeve from tool J-23128 and a mallet, tap sleeve
retainer until outer edge of sleeve retainer is recessed about 1/32 inch from face of compressor neck, Fig. 11.
10.
Install key, hub and drive plate.
11.
Recharge refrigeration system.