Mechanic Tests - HD2 Cooling Lubrication Test

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1) Gallery plugs and frost plugs should be installed:
2) If a water pump impeller is installed closer to the pump housing than specifications, it may cause:
3) Thermostats are installed:
4) Under increased surface pressure, water, fuel, brake fluid and other liquids, will boil or vaporize at:
5) Removing the radiator cap on a hot engine will often result in a large loss of coolant and create a danger for serious burns. This occurs because: