Quick Reference Guide For Flushing Cooling System
NOTE:
Only the essential procedural steps are listed in the quick reference guide. It can be printed out and checked off during the procedure. A detailed description of the procedure can be found here. Refer to COOLING SYSTEM, FLUSHING .
| Step | Action | Flushing Quantity |
|---|---|---|
| 1 | Drain the coolant | --- |
| 2 | Fill the cooling system with distilled water | --- |
| 3 | Disconnect the connector for the Engine Coolant Temperature Sensor -G62- | --- |
| 4 | Let the engine idle. | --- |
| 5 | Clamp off the bleeder hose for the heat exchanger -1- and the cylinder head -2- and flush the cooling system | Nine liters of distilled water (2.4 gallons) |
| 6 | Clamp off the bleeder hose for the heat exchanger -1- and the radiator -3- and flush the cooling system | Two liters of distilled water (2.11 quarts) |
| 7 | Clamp off the bleeder hose for the cylinder head -2- and the radiator -3- and flush the cooling system | Two liters of distilled water (2.11 quarts) |
| 8 | Remove all hose pinch-off pliers, flush the cooling system | Six liters of distilled water |
| 9 | Clamp off the bleeder hose for the heat exchanger -1- and the cylinder head -2- and flush the cooling system | Five liters of coolant (5.28 quarts) (freeze protection -36 °C (-32.8 °F)) |
| 10 | Clamp off the bleeder hose for the heat exchanger -1- and the radiator -3- and flush the cooling system | Five liters of coolant (5.28 quarts) (freeze protection -36 °C (-32.8 °F)) |
| 11 | Clamp off the bleeder hose for the cylinder head -2- and the radiator -3- and flush the cooling system | Two liters of coolant (2.11 quarts) (freeze protection -36 °C (-32.8 °F) |
| 12 | Remove all hose pinch-off pliers, flush the cooling system | Six liters of coolant (6.34 quart) (freeze protection -36 °C (-32.8 °F) |
| 13 | Switch the engine off. | --- |
| 14 | Empty the coolant expansion tank and fill with coolant concentrate | --- |
| 15 | Connect the connector for the Engine Coolant Temperature Sensor -G62- | --- |
| 16 | Remove the Coolant Flushing and Filling Device and seal off the coolant expansion tank | --- |
| 17 | Allow engine to run until the radiator fan turns on. | --- |
| 18 | Checking freeze protection | --- |
- Heater Core for the Heater Bleeder Hose
- Cylinder Head Bleeder Hose
- Radiator Bleeder Hose