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Service Group

 00 Overall vehicle

 01 Complete engine, crankcase ventilation, cylinder head, crankcase

 03 Crank assembly

 05 Engine timing

 06 Fuel cell system

 07 Mixture formation

 08 Electrical drive system

 09 Air intake, turbocharging

 13 Air compressor, belt drives

 14 Exhaust manifold, engine brake, emission control system

 15 Electrical system - engine

 18 Engine lubrication, engine oil cooling

 20 Engine cooling system

 22 Engine suspension

 23 Special engine equipment

 25 Clutch

 26 Manual transmission

 27 Automatic transmission

 28 Transfer case

 29 Pedal assembly

 30 Throttle control, speed control systems

 31 Frame, trailer operation

 32 Suspension

 33 Front axle

 35 Rear axle

 40 Wheels, chassis alignment check

 41 Propeller shaft

 42 Brakes - hydraulic and mechanical systems

 43 Brakes - pneumatic system and auxiliary brakes

 46 Steering

 47 Fuel system

 49 Exhaust system

 54 Electrical system, equipment and instruments

 55 Auxiliary drive systems, hydraulic and linkage systems

 57 Central lubrication system

 58 Tools

 60 Body - general

 61 Substructure

 62 Front end and fire wall

 63 Side wall

 64 Rear wall and rear end

 65 Roof

 67 Windows

 68 Interior equipment

 72 Doors

 77 Sliding roof, soft top, top attachments

 80 Central locking system, convenience operation, drive authorization systems

 82 Electrical system, body

 83 Climate control

 86 Emergency equipment, diability equipment, sanitary equipment, galley

 88 Detachable body components, exterior flaps

 91 Seats, bunks, restraint systems

 94 Body noises, noise insulation

 97 Body sealing, corrosion protection

 98 Paintwork

 99 Printed matter