15Air Conditioning 67Automatic Transmission 7CONSULT 11Differential & Axle 17Engine & Electrical - Electronic 67Engine & Electrical - General 5EV Equipment 14EV Tools 47Fuel & Emission Control - Engine 4General Hand Tools 1Manual Transmission & Clutch 24Steering & Brakes 15Supplemental Restraint System 42Suspension & Body 10Tool Organizational Systems 7Transfer Case