1997 1998 Jeep TJ L4 2.5L L6 4.0L. 1997 1998 Jeep Wrangler L4 2.5L L6 4.0L. The function of the accumulator is to catch and trap liquid refrigerant from the evaporator to protect the compressor. The accumulator also contains a strainer and desiccant for refrigerant cleaning and purification.
