Engine cleaner which won't damage alternator?

March 2013
148,000 miles

Last edited by 2000 WS6 Formula; Apr 7, 2013 at 11:58 AM. Reason: Added photo
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The difference between S100 cleaner and other products on the market is the synthetic detergent-based cleaning agents. Prior to S100, all cycle cleaners were made with lye or acid. These ingredients may remove some grime, but they leave white stains on metal. Degreasers will provide more cleaning power, but they are detrimental to plastic, rubber, and vinyl. S100 products contain none of these ingredients or harsh solvent, and they actually perform better than the competition.
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