Four-wheel-drive repair costs vary because a 4WD problem can originate in many different parts of the system. The repair may involve an electrical control, actuator, hub, transfer case component or another drivetrain concern, and each requires a different amount of parts and labor.
The best way to get a meaningful estimate is to diagnose the system first. Certified Transmission in Bellevue can determine what is actually wrong, explain the available repair options and provide an estimate based on the vehicle's condition.