Quick Reference Guide For Flushing Cooling System: Notes
WARNING: This page is about a different car, the 2016 Audi A3 and 2015 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
TIP:
- Only the essential procedural steps are listed in the quick reference guide. It can be printed out and checked off during the procedure. Refer to COOLING SYSTEM, FLUSHING for a detailed description of the procedure.
| Step | Action | Flushing quantity |
|---|---|---|
| 1 | Drain the coolant | --- |
| 2 | Fill the cooling system with distilled water | --- |
| 3 | Connect the coolant expansion tank bleeder hose to the Coolant Flushing and Filling Device | --- |
| 4 | Clamp off the hoses for charge air cooler -1-, bleeder hose for radiator -2- and heater core -4- and flush the cooling system | 3 liters of distilled water |
| 5 | Clamp off the hoses for charge air cooler -1-, the bleeder hose for radiator -2- and cylinder head -3- and flush the cooling system | 2 liters of distilled water |
| 6 | Clamp off the hoses for charge air cooler -1-, bleeder hose for cylinder head -3- and heater core -4- and flush the cooling system | 2 liters of distilled water |
| 7 | Clamp off the bleeder hose for radiator -2-, cylinder head -3- and heater core -4- and flush the cooling system | 2 liters of distilled water |
| Repeat steps 4, 5, 6 and 7, but only pump through one liter of distilled water each time | 1 liter of distilled water each | |
| 8 | Clamp off the hoses for charge air cooler -1-, bleeder hose for radiator -2- and heater core -4- and flush the cooling system | 3 liters of coolant |
| 9 | Clamp off the hoses for charge air cooler -1-, the bleeder hose for radiator -2- and cylinder head -3- and flush the cooling system | 2 liters of coolant |
| 10 | Clamp off the hoses for charge air cooler -1-, bleeder hose for cylinder head -3- and heater core -4- and flush the cooling system | 2 liters of coolant |
| 11 | Clamp off the bleeder hose for radiator -2-, cylinder head -3- and heater core -4- and flush the cooling system | 2 liters of coolant |
| Repeat steps 8, 9, 10 and 11, but only pump through one liter of coolant each time | 1 liter of coolant each | |
| 12 | Remove all clamping pliers | --- |
| 16 | Remove the Coolant Flushing and Filling Device and seal off the coolant expansion tank | --- |
| 17 | Bleed the cooling system using the Vehicle Diagnostic Tester | --- |
| 18 | Check the freeze protection and coolant level | --- |