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20 Cooling System - M116 3.8 Liter

Cooling system

• 20-005 - Cooling circuit and engine cooling
• 20-010 - Draining and filling-in of coolant - antifreeze table
• 20-015 - Cleaning cooling and heating system

Cooling thermostat

• 20-110 - Removal and installation of cooling thermostat

Cooling pump

• 20-210 - Removal and installation of coolant pump
• 20-220 - Reconditioning of coolant pump
• 20-225 - Sealing coolant pump

Fan coupling

• 20-320 - Viscofan clutch

Radiator

• 20-420 - Removal and installation of radiator
• 20-425 - Repairing radiator
• 20-430 - Checking expansion tank cap  

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 Diagnostics

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