Maintenance Every 48 Months Or 77,200 Km [48,000 Miles] - Dodge D250 1990 Service Manual

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Lubrication and Maintenance
DODGE Turbo Diesel
Maintenance Guidelines
Page OC-13
During filling, air must be vented from the engine coolant
passages. The air vents through the "jiggle pin" openings in the
thermostat out the top radiator hose ami fill opening.
The system has a maximum fill rate of 14 liters/minute [3.5 U.S.
gallons/minute]. Do not exceed this fill rate.
Install the pressure cap. Start the engine and operate it until it
re&ches a temperature of 80°C [180°F]. Check the system for
leaks.
Warning: If the engine has been operating and the coolant
is hot, wait until the temperature id below 50°C [120°F]
before removing the pressure cap. Failure to do so can
cause personal injury from heated coolant spray.
Caution: Re-check the cooling system to insure total
system is full of coolant. ^
Maintenance Every 48 Months or 77,200 Km [48,000 Miles]
Always use the interval (Months, or Km [Miles]) that arrives first. Perform the 24 Month or 38,600 Km [24,000
Miles] Maintenance Procedures.