20 Engine Cooling - OM617

Cooling system

• 20-005 - Coolant circuit and engine cooling
• 20-010 - Draining and filling-in of coolant ­ Anti-freeze table
• 20-015 - Cleaning the cooling system

Thermostat

• 20-110 - Removal and installation of thermostat

Water pump

• 20-210 - Removal and installation of water pump
• 20-220 - Reconditioning of water pump
• 20-225 - Sealing of water pump
• 20-230 - Removal and installation of water pump housing

Fan coupling

• 20-310 - Viscofan coupling, temperature-controlled (engine 617)

Radiator

• 20-420 - Removal and installation of radiator
• 20-425 - Reconditioning of radiator
• 20-430 - Checking radiator cap

Layout of thermostat

• 20-490 - Thermostat layout  

More information

• Oil in cooling system? After repair, use Alkaline cleaner, Disodium trioxosilicate, pentahydrate.
  • Part number is 001 986 21 71 (500 grams)
• Scale in cooling system? Use Citric Acid at 100 grams per liter.
  • Part number is 000 989 10 25 (500 grams)
• Cooling System Diagnostic

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