1994 1995 1996 Ford F350 V8 5.8L 7.3L 7.8L L6 4.9L. 1994 1995 1996 Ford F150 V8 5.0L 5.8L 7.3L 7.5L L6 4.9L. 1994 1995 1996 Ford F250 V8 5.0L 5.4L 5.8L 7.3L 7.5L L6 4.9L. The function of the accumulator is to catch and trap liquid refrigerant from the evaporator to protect the compressor.