How To Repair Sinotruk( Sitrak, C7H, T7H, Hohan) MC11 Engine Air Compressor, MC11 Engine Starter?

How To Repair Sinotruk( Sitrak, C7H, T7H, Hohan) MC11 Engine Air Compressor, MC11 Engine Starter? Model: MC11.40-61 MC11.43-61 MC11.46-61 Type: Inline 6 cylinder, water cooled, 4 stroke, supercharged inter cooler and high pressure common rail Air Intake Type Cylinder Valves: 4 4 4 Bore*Stroke (mm): 120*155 ,120*155,120*155 Displacement(L): 10.518 10.518 10.513 Compression ratio (mm): 19:1 19:1 19:1 Net power ratings kW(ps): 294(400) 316(430) 338(460) Rated Speed(r/min): 1900 1900 1900 Max. Torque(Nm): 1900 2100 2200 Speed at Max. Torque (r/min): 1000-1400 1000-1400 1000〜1400 Idle Speed (r/min): 550 550 550 Min. Specific Fuel Consumption (g/kW.h): £185 s185 185 Net Weight(kg): 960 960 960 Emission: China VI(DOC+DPF+SCR) China VI(DOC+DPF+SCR)