http://auto-recalls.justia.com ISUZU:I MARK:1985 Recalls http://auto-recalls.justia.com/content/87V071000-ISUZU-I-MARK-1985.html VEHICLE MAY EXPERIENCE PERFORATION OF THE FUEL PUMP DIAPHRAGM. EXCESSIVE ALCOHOL CONTENT IN THE FUEL PROMOTES DEGRADATION OF THE DIAPHRAGM COATING RESULTING IN RADIAL CRACKING OF THE DIAPHRAGM. Fri, 29 May 1987 00:00:01 EST