B4000 SE Regular Cab 4WD V6-4.0L OHV (1999)
Transmission Cooler: Service Precautions
Automatic Transmission Power Flushing
Note: After servicing oil pump, torque converter, control valve body, servo piston end band, brake band, or transmission removal and replacement,
the transmission cooler must be flushed using power flushing equipment.
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Follow manufacturer's provided instructions on system flushing procedures.