C Yukon 2WD V8-5.7L VIN R (1999)
1. Install the 8 checkballs (9 Checkballs for some models) into the control valve body.
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The checkball marked as number 2, is used on RCP, RDP, ZJP and ZLP models only
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To hold the checkballs in place, use tool J 36850
2. Install the PWM screen into the control valve body.
3. Install a new manual 2-1 band servo piston seal (2) onto the manual 2-1 band servo piston (3).
4. Install the manual 2-1 band servo piston pin (1) into the manual 2-1 band servo piston (3).
5. Install the manual 2-1 band servo piston pin retainer ring (4).
6. Install the manual 2-1 band servo piston cushion spring (2).
Important: Make certain that the tapered end of the manual 2-1 band servo piston pin contacts the manual 2-1 band.
