Express 3500 V8-4.8L VIN V (2005)
Remove the eight checkballs (nine checkballs for some models).
Installation Procedure
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 the J36850 .
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).
7. Important: Make certain that the tapered end of the manual 2-1 band servo piston pin contacts the manual 2-1 band.
Install the manual 2-1 band servo piston assembly (1).