REMOVING RUST.
RADIATOR CLEANING METHOD. About the most common cause of engine overheating is the collection of rust, scale, and sediment in the radiator and water jackets of the cylinder block, so ’restricting the flow of the water through the radiator core that it cannot be efficiently cooled by the passage of air through the interstices of the honeycomb. The trouble is as old as motor cars themselves, and it has always been recognised that the whole cooling system should occasionally" be flushed thoroughly, to remove as much of th r sediment as possible. In the older types of car, the time-lionoured method of running a solution of warm water and washing soda through the block was reasonably satisfactory, but engineers have found that the newer, high efficiency models, which have very fine passages in the radiator to expose as much of the water as possible to the cooling air stream, require more thorough treatment. An entirely' new method of flushing radiators has been devised, and is gradually’ being adopted in Australian service stations.
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Horowhenua Chronicle, 28 June 1938, Page 3
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174REMOVING RUST. Horowhenua Chronicle, 28 June 1938, Page 3
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