Service Information_ Testing when replacing AIRMATIC compressor PDF

A service bulletin that provides guidance on testing and replacing the AIRMATIC compressor for specific vehicle models. The document highlights the importance of inspecting the air intake hose before installing a new compressor. It includes images depicting the compressor and the air intake hose, specifically for models 164, 166, and 212 with code 489 (AIRMATIC). The bulletin advises checking for leaks in the hose to prevent possible damage or malfunction of the compressor.