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
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
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
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
10	Clamp off the bleeder hose for the heat exchanger -1- and the radiator -3- and flush the cooling system	Five liters of coolant
11	Clamp off the bleeder hose for the cylinder head -2- and the radiator -3- and flush the cooling system	Two liters of coolant
12	Remove all hose pinch-off pliers, flush the cooling system	Six liters of coolant
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	---

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Heater Core for the Heater Bleeder Hose
Cylinder Head Bleeder Hose
Radiator Bleeder Hose