Completely replacing a drivetrain can get very expensive. Exact costs depend on the car problem you’re facing and the make, model and year of your vehicle, but here are estimated costs for some of the more common drivetrain problems:
Transmission replacement : About $4,000
Differential repairs: $200 to $400 (each); up to $2,000 or more if differential housing work is required
Driveshaft repair: Up to $2,000
Transfer case replacement: Up to $2,500
CV joints: Anywhere from $260 to $1,180