Astra L4-1.8L (2009)
Note: Inspect for leaks with utmost care as hot coolant will escape into the drivers footwell if there are leaks in coolant connections at the heater
core.
15. Inspect the coolant system for leaks. Refer to Cooling System Leak Testing (See: Engine, Cooling and Exhaust/Cooling System/Testing and
Inspection/Component Tests and General Diagnostics).