Vehicles Involved

Involved are 1988-90 C/K trucks equipped with 4L60 (RPO MD8) or 3L80 (RPO M40) automatic transmissions built within the following VIN breakpoints:


PLANT
YEAR MODEL PLANT CODE FROM THROUGH

1988 C/K Truck Pontiac East "E" JE100001 JE211189

1988 C/K Truck Fort Wayne "Z" JZ100013 JZ331451

1988 C/K Truck Oshawa "1" J1100014 J1309125

1989 C/K Truck Pontiac East "E" KE100001 KE282856

1989 C/K Truck Fort Wayne "Z" KZ100001 KZ285940

1989 C/K Truck Oshawa "1" K1100016 K1262167

1990 C/K Truck Pontiac East "E" LE100002 LE265301

1990 C/K Truck Fort Wayne "Z" LZ100001 LZ276058

1990 C/K Truck Oshawa "1" L1100015 L1265823