Jaguar XJ (X350). Manual — part 588

Open coolant supply valve for 2 seconds to prime coolant supply hose.

21. Apply air pressure progressively until the arrow on the vacuum filler gauge reaches the
green segment.

22. Close air supply valve and disconnect air supply.

23. Allow 1 minute to check vacuum is held.

24. NOTE:

Close the coolant supply valve when the coolant expansion tank MAX mark is reached or
coolant movement has ceased.

Open coolant supply valve and allow coolant to be drawn into system.

25. When expansion tank is full and coolant movement has ceased close coolant supply
valve.


26. Remove vacuum refill adaptor and gauge from expansion tank.


27. Install the coolant expansion tank filler cap.


28. Remove the engine cover.


29. Remove the supercharger coolant filler plug.

•

Remove and discard the sealing washer.

30. NOTE:

Place a suitable cloth around supercharger fill port.

Top up the coolant through the supercharger fill port.

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CAUTION: Coolant may spill from supercharger fill port when ignition switched

on.

Switch ignition on.


32.

CAUTION: Do not allow the supercharger water pump to run dry for more than

one minute. Failure to follow this instruction may result in damage to the vehicle.

Allow the supercharger pump to run and top up the coolant through supercharger fill port.


33. Switch the ignition off.


34. Install the supercharger coolant fill plug.

•

Install a new sealing washer.

•

Tighten to 45 Nm.

•

Clean off any spillages.

35. Install the engine cover.


36.

CAUTION: Do not RUN the engine with the coolant expansion tank pressure cap

removed. Failure to follow this instruction may cause damage to the vehicle

START and RUN the engine.


37.

CAUTION: Observe the engine temperature gauge. If the engine starts to over-

heat switch off immediately and allow to cool. Failure to follow this instruction may

31.

cause damage to the vehicle.

Allow the engine to RUN until hot air is emitted from the instrument panel registers, while
observing the engine temperature gauge.


38. Switch off the engine.


39. Allow the engine to cool.


40.

WARNING: Since injury such as scalding could be caused by escaping steam or

coolant, do not remove the filler cap from the coolant expansion tank while the system is
hot.

Check and top up the cooling system if required.

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