Features and Benefits: * Economical, accurate and simple method to find common causes of overheating * Pinpoints external leaks caused by loose clamps or leaky hoses, connectors, water pumps or radiators * Diagnoses internal leaks caused by a blown head gasket or damaged block or head * Test radiator and coolant bottle caps to ensure they are maintaining the correct pressure * Contains adapters to test the cooling system and caps of most US and Asian manufactured cars Includes: * Mityvac Selectline hand pressure pump w/ 2” (50 mm) diameter gauge * Small Bayonet Test Adapter, Deep * Small Bayonet Test Adapter, Shallow * Large Bayonet Test Adapter * GM/Ford Test Adapter * Small Bayonet Cap Test Adapter * Large Bayonet/GM/Ford Cap Test Adapter * Connection Hose * Compression Nut * User Manual (English, French, Spanish)