K 3500 Truck 4WD V8-5.7L VIN R (1998)
9. Remove the manual valve (1) from the control valve body to prevent any damage.
10. Inspect the manual valve for nicks and burrs.
11. Remove the spacer plate to case gasket (2) from the case. The gasket may stick to the spacer plate.
12. Remove the PWM screen (1) from the case passages.
13. Inspect the PWM screen for debris and damage.
14. Remove the eight checkballs (nine checkballs for some models).
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.
INSTALLATION PROCEDURE
