Engine Backflushing
Engine Backflushing1. Remove the thermostat before backflushing the engine. Thermostat - 2.5L/3.0L (26.45.07)
2. Position the high-pressure water hose into the engine through the engine return and backflush the engine.
3. Connect a suitable hose pipe to the upper coolant hose connection of the engine.
4. Turn the water supply valve to the hose ON and allow water pressure to flow through the engine.
5. Allow water pressure to flow through the engine for approximately five minutes.
6. Turn the water supply valve to the hose OFF and disconnect the hose pipe from the upper coolant hose connection of the engine.
7. Connect the upper coolant hose to the engine.
8. Fill the cooling system as described using a 50% mixture of Jaguar Premium Cooling System Fluid or equivalent, meeting Jaguar specification WSS M971344-D and 50% distilled water.