Quick Reference Guide For Flushing Cooling System
WARNING: This page is about a different car, the 2021 Volkswagen Tiguan, 2020 Volkswagen Tiguan, 2019 Volkswagen Tiguan, and 2018 Volkswagen Tiguan. However, it is still accessible from the selected car via links, so may be relevant.
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 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 (9.5 quarts) |
| 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 (2.1 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 (2.1 quarts) |
| 8 | Remove all hose pinch-off pliers, flush the cooling system | Six liters of distilled water (6.3 quarts) |
| 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 (5.2 quarts) |
| 10 | Clamp off the bleeder hose for the heat exchanger -1- and the radiator -3- and flush the cooling system | Five liters of coolant (5.2 quarts) |
| 11 | Clamp off the bleeder hose for the cylinder head -2- and the radiator -3- and flush the cooling system | Two liters of coolant (2.1 quarts) |
| 12 | Remove all hose pinch-off pliers, flush the cooling system | Six liters of coolant (6.3 quarts) |
| 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 | Allow engine to run until the radiator fan turns on. | --- |
| 17 | Checking freeze protection | --- |
- Heater Core for the Heater Bleeder Hose
- Cylinder Head Bleeder Hose
- Radiator Bleeder Hose