| 摘要 |
An engine cooling system liquid insertion and removal system has an adapter disposed in a vehicle radiator service opening via which old coolant is removed from the engine system by partial vacuum applied to an old coolant container via a conduit. New coolant is introduced via the adapter by atmospheric pressure from a portable container. Conduits interconnect the engine cooling system, the old and new coolant containers, and a source of partial vacuum applied to conduits.
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