Show experts find ind Une chemical mical diseases 9 A attack automobiles in summer writh I 1 T R the breakup break up of winter ath W the ecar car owner fe feels els that he can heave a sigh of relief and prepare for some carefree driving he can the experts agree if he makes sure that winter is not still lingering inside his cars cooling system merely draining the antifreeze anti freeze from a car and flushing the radiator do not guarantee protection of the modern modem high speed motor As the result of a study just made public automotive engineers find that the chemical action of water in the cooling system attacks metals much more destructively during summer driving prompt action is necessary to prevent it the action prescribed is removal in spring of all antifreeze anti freeze solutions a thorough checkup check up of the cooling system and use of a good rust pre vent ivein the water that is put in to replace the antifreeze anti freeze rust inhibitors torp in an antifreeze anti freeze which has been used for a whole winter cannot be depended upon for further protection tec tion if the antifreeze anti freeze is of the permanent type it may continue to protect the car from freeze up but not from rust corrosion and other ills that attack it especially in summer unfortunately anti rusts and anticorrosion anti corrosion mixtures cannot b added to even the best permanent perm anens antifreeze anti freeze without danger of im pairing the antifreeze anti freeze itself the only safe course is to dise discard a r d the solution entirely defective hose in the cooling system may shed pieces of rotted rubber which clog the radiator tubes air impregnated water resulting from a defective hose connection or pump does more to speed up rust and corrosion the experts say than almost any other one factor water supplies in certain parts of the country are high in chloride salts these are found to be the principal cause of the severe corrosion that attacks aluminum cylinder heads certain types of antifreeze anti freeze preparations and cleaning solutions left in the cooling system may produce these salts even the owner of a new car is not safe from the action of chemical salts since they are sometimes found in the cooling systems of automobiles just out of the factory A thorough checkup check up and cleaning when necessary is the first step to be taken next hose and hose connections should be inspected and joints examined for possible leakage spots finally a preventive must be used in the water to keep rust action and corrosion under control thus protected the car can be operated during the hot weather months with a minimum of danger |