XK-8 Coupe (X100) V8-4.0L (AJ26) (1998)
Coolant Drain Plug: Description and Operation
Cylinder Block Drain Plug/Heater Unit
The coolant drain plug is located on the rear left side of the cylinder block.
On vehicles supplied with a cold climate package (i.e. vehicles operating in conditions regularly below -30°C) a cylinder block heater unit is installed
instead of the drain plug.