Metering devices are used on AC systems to create a restriction that causes the refrigerant to change from a high-pressure liquid into a low-pressure liquid.…

Some vehicle manufacturers have had problems with an unpleasant odor originating in the AC system. This unwanted smell can originate from bacteria on the evaporator…

1. Install the flush hose to the flush container. Firm finger pressure is recommended for the tightness of this hose. The flush hose must be…

It is sometimes necessary to clean out the AC system with a flush substance. If the AC system has had a failure that released debris…

Use the following procedures when servicing ball-style valves. 1. Remove the plastic cap to determine the size and the style of valve that is used.…

Use the following steps when servicing Schrader-style valves. 1. Remove the plastic service cap to determine which check valve style is used. The service ports…

The service ports on AC systems are provided as a connection point for the manifold set or the AC machine. There is typically a low…

Gaskets and seals are used to provide a leak barrier for the lines, hoses, and the many other parts of the AC system. The person…

Use the following steps when servicing quick-connect-style lines and hoses. The metal brackets that some manufacturers use to provide an extra layer of protection against…

Lines and hoses are used to connect the main components of the AC system together. The lines are typically made from aluminum and the hoses…