Internal combustion engine cylinder head gasket leak measuring system has metering vessel linked to coolant circuit expansion chamber

摘要: The measuring system, designed to detect combustion gases leaking into the engine cooling system through cylinder head gasket, includes a metering vessel (20) in circuit, which contains an expansion chamber (10). has inlet (22) and outlet (23) with solenoid valves (24, 26), control unit actuate them sequence recuperate from purge after representative measurement been taken gas pressure vessel.