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TM 9-2320-366-20-1
Table 2-2. Vehicle Troubleshooting
Troubleshooting
Procedure
Malfunction
(Page)
a. ENGINE SYSTEM TROUBLESHOOTING
Engine Does Not Crank . . . . . . . . . . . .
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Engine Cranks But Does Not Start . . . .
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Low Engine Oil Pressure . . . . . . . . . . .
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Engine Stalls at Low RPM . . . . . . . . . .
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Engine Overspeeds on Start . . . . . . . . .
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Too Much Engine Vibration . . . . . . . . . .
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Coolant in Engine Lubrication Oil . . . . . .
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Excessive Engine Oil Consumption . . . .
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Engine Overheats . . . . . . . . . . . . . . . . .
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Excessive Black or Gray Exhaust Smoke
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White Exhaust Smoke . . . . . . . . . . . . .
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Low Engine Power . . . . . . . . . . . . . . . .
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b. FUEL SYSTEM TROUBLESHOOTING
Engine Cranks But Does Not Start or
Engine Stalls After Starting
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Ether Starting Aid Does Not Operate
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Fuel Consumption Too High . . . . . .
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Accelerator Pedal Sticks . . . . . . . . .
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c. EXHAUST SYSTEM TROUBLESHOOTING
Exhaust System Unusually Noisy or Vibrates Excessively During Engine Operation . . . . . . . . . . 2-128
Exhaust Fumes in Cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-132
d. COOLING SYSTEM TROUBLESHOOTING
Engine Overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-138
Oil in Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-150
Loss of Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-152
e. ELECTRICAL SYSTEM TROUBLESHOOTING
Circuit Breaker Does Not Operate . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Engine Does Not Crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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12 VDC and 24 VDC Circuits Do Not Operate . . . . . . . . . . . . . . . . . . .
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24 VDC Circuits Do Not Operate . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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e5.
Deleted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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2-286
Engine Cranks But Does Not Start . . . . . . . . . . . . . . . . . . . . . . . . . . .
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FUEL Gage Does Not Operate or Is Inaccurate . . . . . . . . . . . . . . . . . .
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WATER TEMP Gage Does Not Operate or Is Inaccurate . . . . . . . . . . .
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REAR BRAKE AIR Pressure Gage Does Not Operate or Is Inaccurate .
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FRONT BRAKE AIR Pressure Gage Does Not Operate or Is Inaccurate
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Engine Oil Pressure Gage Does Not Operate or Is Inaccurate . . . . . . . .
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Speedometer Does Not Operate or Is Inaccurate . . . . . . . . . . . . . . . . .
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Change 1

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