Audi A4: Hood, Lids

 Axle Alignment Information

Wheel alignment must only performed using VW/Audi-approved alignment equipment. Each time wheels are aligned, both front and rear wheels must be aligned. Otherwise, the correct driving handling of the vehicle cannot be ensured.   Note Axle alignment should not be performed until the vehic

 A/C Technology Basic Principles

Physical Principles The four known states of water also apply to air conditioning system refrigerants. 1 - Gaseous (invisible) 2 - Vapor 3 - Liquid 4 - Solid When water is heated in a container (heat absorption), water vapor can be seen to rise. If the vapo