XJ (X350) V8-4.2L (2005)
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13. Disconnect the evaporative emission vent hose.
14. WARNING: When relieving cooling system pressure, cover the expansion tank cap with a thick cloth to prevent the possibility of
scalding. Failure to follow these instructions may result in personal injury.
Remove the coolant expansion tank cap.
15. NOTE: Cap the coolant hose to minimize coolant loss.
Disconnect the throttle body coolant hose.
16. Disconnect the engine c000lant temperature (ECT) sensor electrical connector.
17. Disconnect the evaporative emission canister purge valve electrical connector.
18. Detach the knock sensor (KS) electrical connector.