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COOLING SYSTEM OF CAR WARRANTS CLOSE ATTENTION IN HOT WEATHER

 COOLING SYSTEM OF CAR WARRANTS CLOSE ATTENTION IN HOT WEATHER
 NEW YORK, Aug. 20 /PRNewswire/ -- Summer heat can deliver a staggering blow to a car's cooling system, the sophisticated mechanical sentinel that guards the engine against costly damage. Helping your car to withstand such punishment therefore can help to prevent repairs and prolong the vehicle's life, according to leading car care experts.
 John Conville, research and development for Automotive Products at BASF Corporation, notes that economy-minded motorists have yet another reason to mind the cooling system.
 "A properly maintained and functioning cooling system also helps to improve gas mileage," he noted, explaining that today's fuel-injected cars have sensors that 'read' antifreeze coolant temperatures, then regulate the amount of gasoline released into the engine.
 A particularly serious consequence of overheating can be a warped cylinder head, Conville noted. Overheating also thins out the crankcase oil which results in increased oil consumption and varnish-like deposits that interfere with the movement of engine parts. Heat-thinned oil is a problem because it loses its ability to lubricate properly, he explained.
 In addition to helping prevent overheating, antifreeze coolant contains corrosion inhibitors that protect the radiator and other parts of the cooling system. This fluid has to be replaced periodically, and car owners have demonstrated increasing willingness to perform such maintenance chores. A recent study indicated that more than 90 million adults, or 64 percent of the U.S. car-owning public, purchase antifreeze coolant annually, and 75 million of these purchasers install the antifreeze themselves.
 But what if the antifreeze coolant isn't changed periodically? "The anticorrosion chemicals in the formulation wear out with time, and aluminum components in the engine become particularly vulnerable," Conville said. That's why premium products such as Zerex(R) antifreeze coolant contain a proprietary inhibitor package that prevents corrosion and assures efficient heat transfer, he noted.
 Since a neglected cooling system can lead to costly consequences, the best way to prevent serious trouble is to give this vital protective system a thorough annual check, Conville concluded.
 -0- 8/20/92
 /CONTACT: James H. Murphy of BASF, 201-316-3280, or Ted Baron, 212-840-7815, for BASF/ CO: BASF ST: New Jersey IN: AUT SU:


TS-OS -- NYFNS1 -- 1550 08/20/92 07:30 EDT
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Publication:PR Newswire
Date:Aug 20, 1992
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