○ Full cleaning

○ Systematic replacement of wear parts: pulley, clutch, pistons, bearings, etc.

○ Check dimensional tolerance and measurement of all components

○ Leak and performance test in accordance with greenhouse gas regulations

○ The air from the air conditioning system is not cold

○ The volume of conditioned air is low

○ The drive belt whistles

○ There are leaks of fluid other than water

○ There is a noise in the air conditioning compressor  

○ There is a whistling noise when starting

○ Auxiliary drive belt

○ Seals

○ Tensioner roller

○ Idler roller

○ Fluid hoses

○ Cooling gas