Servo-pneumatic equipment to evaluate structural strength and stiffness and impact resistance of Dashboard and Central Panel as well as in-use forces and fatigue endurance of their mobile parts such as glove compartment door, air diffusers, buttons, handles, etc. either at room temperature or under extreme climatic conditions. Equipment and instruments to evaluate fluid dynamic behavior (velocities, flows and pressure drops) and air tightness (leakage measurement) of diffusers and ducts of defrosting and climatic system.