1994 1995 Chevrolet C1500 V6 4.3L V8 5.0L 5.7L 6.5. 1994 1995 Chevrolet C2500 V6 4.3L V8 5.0L 5.7L 6.5L 7.4L. 1994 Chevrolet Blazer V8 5.7L 6.5L. The function of the accumulator is to catch and trap liquid refrigerant from the evaporator to protect the compressor.