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Engine Backflushing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Jaguar XKR, 2006 Jaguar XK8, 2005 Jaguar XKR, 2005 Jaguar XK8, and 2004 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the thermostat before backflushing the engine. Refer to Thermostat - Removal and Installation (Vehicles Without: Supercharger)  or Thermostat - Removal and Installation (Vehicles With: Supercharger) .
  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 M97B44-D and 50% distilled water.
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