Sierra Classic 1500 2WD V8-5.3L Hybrid (2007)
18. Remove the manual 2-1 band servo (1).
19. Remove the servo piston cushion spring (2).
20. Remove the manual 2-1 band servo piston pin retainer ring (4).
21. Remove the manual 2-1 band servo piston pin (1).
22. Remove the manual 2-1 band servo piston seal (2).
23. Important:
Do not use a magnet in order to remove the checkballs. Using a magnet to remove the checkballs may magnetize the checkballs, causing metal
particles to stick.
Remove the 8 checkballs (9 for some models).
Installation Procedure