FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Cooling System Flushing




Cooling System Flushing

Material(s)






General Procedure

1. Add cooling system flush to the cooling system and follow the directions on the package.

2. Drain the cooling system. REFER to Cooling System Draining, Filling and Bleeding - 2.0L GTDI or REFER to Cooling System Draining, Filling and Bleeding - 3.5L Ti-VCT .

3. Remove the radiator. REFER to Radiator - 2.0L GTDI or REFER to Radiator - 3.5L Ti-VCT .

4. NOTICE: Radiator internal pressure must not exceed 137.9 kPa (20 psi), or the radiator can be damaged

Backflush the radiator with the radiator in an upside-down position with a high-pressure hose in the lower hose location and backflush.

5. For 2.0L GTDI (Gasoline Turbocharged Direct Injection), remove the thermostat housing or for 3.5L Ti-VCT (Twin Independent Variable Cam Timing) remove the thermostat. REFER to Thermostat Housing - 2.0L GTDI or REFER to Thermostat - 3.5L Ti-VCT .

6. Position the high-pressure water hose into the engine through the upper radiator hose and backflush the engine.

7. For 2.0L GTDI (Gasoline Turbocharged Direct Injection), install the thermostat housing or for 3.5L Ti-VCT (Twin Independent Variable Cam Timing) install the thermostat. REFER to Thermostat Housing - 2.0L GTDI or REFER to Thermostat - 3.5L Ti-VCT .

8. Install the radiator. REFER to Radiator - 2.0L GTDI or REFER to Radiator - 3.5L Ti-VCT .

9. Fill and bleed the cooling system. REFER to Cooling System Draining, Filling and Bleeding - 2.0L GTDI or REFER to Cooling System Draining, Filling and Bleeding - 3.5L Ti-VCT .