Coolant Hose Connection Diagram
WARNING: This page is about a different variant/trim than selected.
NOTE:
Blue = large coolant circuit.
Red = small coolant circuit.
Orange = coolant circuit for the charge air cooler.
Brown = heating circuit.
The arrows show the coolant flow direction.
- Bleeder Screw
- Right Cooler for Charge Air Cooling Circuit
- Change the coolant after replacing
- Charge Air Cooling Pump -V188-
- Generator
- Right Charge Air Cooler
- Inside the compressor housing
- Change the coolant after replacing
- Bleeder Screw
- Coolant Reservoir
- Cover
- For the coolant reservoir
- Check the pressure relief valve. Refer to COOLING SYSTEM, CHECKING FOR LEAKS .
- Check Valve
- Inside the coolant hose
- Cylinder Head Bank 1 (Right)
- Change the coolant after replacing
- From Heater Unit Heat Exchanger
- To Heater Unit Heat Exchanger
- Cylinder Head Bank 2 (Left)
- Change the coolant after replacing
- Bleeder Screw
- Left Charge Air Cooler
- Inside the supercharger housing
- Change the coolant after replacing
- Coolant Pump
- Engine Oil Cooler
- After-Run Coolant Pump -V51-
- Depending on country
- Check Valve
- Inside the coolant hose
- Bleeder Screw
- Left Charge Air Cooling Circuit Radiator
- Change the coolant after replacing
- Radiator
- Change the coolant after replacing
- Coolant Thermostat
- Engine Coolant Temperature Sensor -G62-
- Check Valve
- Inside the coolant hose
WARNING:
Risk of scalding due to hot steam and hot coolant.
- The coolant system is under pressure when the engine is warm.
- Cover the coolant reservoir cap with a cloth and then open it slowly to release the pressure.
Danger of personal injury due to the coolant fan turning on by itself.
- The coolant fan can come on even when the ignition is turned off, for example, caused by the heat still in the engine compartment.
NOTE:
Secure all hose connections with hose clamps of the same type as those equipped by the factory. .
Arrows on coolant pipes and coolant hoses must line up across from each other.