XJ (X308) V8-4.0L SC (2003)
13. If necessary, fit new seals to the pressure cap.
Remove both O-rings from the pressure cap.
Fit and fully seat new O-rings to the pressure cap. Fit the pressure cap.
14. Check that the pressure cap is fitted. Remove the plug from the air charge cooler fill point. Pour coolant carefully into the air charge cooler fill
point until the system is full.
Fit the plug to the fill point, using a new Dowty sealing washer.
15. Remove the paintwork protection sheets and close the engine cover.