TOHATSU MD 30B2 Service Manual page 322

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O
Troubleshooting
K
Check cooling water
passage for clogging or leak.
Normal?
YES
Check thermostat.
Normal?
YES
Measure water
temperature sensor resistance.
Normal?
YES
Check water pump.
Normal?
YES
Check ignition system,
fuel system and/or
lubrication system.
9-26
Cooling System
NO
Clean or replace
cooling water passage.
NO
Replace thermostat.
NO
Replace water
temperature sensor.
NO
Replace water pump.
TLD D30/40/50B2 2013

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Md 40b2Md 50b2D40b2zWd50b2

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