TM 5-3805-280-24-2
Cooling System
25
Item
Measurement
Specification
5
Fan Drive Assembly-to-Timing Cover
70 Nm (52 lb-ft)
Fan Pulley-to-Pulley Hub M8 Cap
35 Nm (26 lb-ft)
Screws
Fan Pulley-to-Pulley Hub M10 Cap
70 Nm (52 lb-ft)
Screws
Coolant Heater Lock Nut
34 Nm (25 lb-ft)
Temperature Switch (Cold Start
5 Nm (44 lb-in.)
Advance)
DPSG,OUO1004,234
1910JUL983/3
DIAGNOSING COOLING SYSTEM
MALFUNCTIONS
Engine Overheats:
Loose or broken fan belt
Dirty radiator
Low coolant level
Low oil level
Engine overloaded
Defective head gasket
Incorrect timing (engine/injection pump)
Faulty thermostats
Faulty water pump
Corroded coolant passages
Improper grade of fuel
Excessive fuel delivery
Low Coolant Level:
Improper maintenance
Improper operation
Damaged radiator
Water pump seal leakage
Leakage
Faulty radiator cap
DPSG,OUO1004,24
1903APR981/1
13-328