yo, Since we bought our 96 new, have replaced radiator (NAPA) twice, last on 7 JAN 2010
Have followed Severe Duty Maintenance Schedule faithfully w/ coolant flushes/swaps and pressure tests.
Follow the Severe Duty Schedule if your driving
habits FREQUENTLY include one or more of the
following conditions:
Towing a trailer or carrying a heavy load.
Operating in severe dust conditions.
Extensive idling, such as police, taxi or
door-to-door delivery service.
Snowplowing
Off-Road operation
Short trips of less than 10 miles (16 km)
when outside temperatures remain below 0°F
Severe Duty Maintenance Schedule:
Inspect engine cooling system, hoses, and clamps; and check coolant strength every 15,000 miles (24,000 km) or 12 months.