94 Chevy Suburban 2500 6.5TD F code. (Now a 6.2 long block with the 6.5 running gear on it. Original 6.5 victim of a broken crank.)145,000 miles. Heath PMD Isolator. Heath HD Fan Drive. H.O. Water Pump. 4L80E Transmission. I cleaned my radiator. Got out all the dead birds!!