BUY ON AMAZON PRIVATE LABEL EXPORT PenACCESS CUSTOMER LOG IN AUTOMOTIVE HEAVY DUTY MARINE RESOURCES SDS COOLING SYSTEM TECH FACTS HOME RESOURCES COOLING SYSTEM TECH FACTS Coolant systems require proper maintenance and care. Here are some signs to look for and guides for maintaining proper coolant flow for optimal performance. Coolant Coolant in its most basic form is a fluid that transfers waste heat away from an internal combustion engine. Without the proper flow of coolant, critical... Read More Coolant Glossary Antifreeze: A mixture of glycol and water (typically 50:50) with a corrosion inhibitor package. An appropriate mixture balances the need for maximum heat... Read More Why Maintain Your Coolant Using and maintaining a properly formulated coolant is one of the most important aspects of engine maintenance. 30% of engine breakdowns are a direct result... Read More Poorly Treated Indications What happens if a diesel engine cooling system is NOT treated properly with chemicals? Corrosion of the steel and cast iron surfaces Hard water... Read More Metal Corrosion Corrosion is the natural tendency of metals to revert back to their ore form. Cast iron, for example, will form reddish-brown iron oxide (common rust)... Read More Cavitation In Cooling Sytems One of the most common and costly results of improper cooling system maintenance is the perforation of wet-sleeve cylinder liners. The perforation is caused... Read More Scale Formation A diesel engine generates enough heat to warm a seven-room house during the winter. It must shed some of this heat to operate efficiently and prevent... Read More Preventing Cooling System Problems Preventing Cooling System Problems with the Penray Fill-For-Life Program Industry experts estimate that about 40% of engine downtime is caused by cooling... Read More Coolant Charts Penray recommends that all cooling system tests be performed using Penray’s Universal 3-Way Test Strips. Penray also recommends using Fleetcharge® or... Read More Fill For Life Program Q. WHAT IS A FILL-FOR-LIFE PROGRAM? A. FILL-FOR-LIFE is an extended service interval (ESI) coolant program. The coolant’s life is extended to correspond... Read More INGREDIENT DISCLOSURE REGULATORY INFORMATION COMPLIANCE REGULATORY CONTACT US CAREERS ABOUT US NEWS All rights Reserved PLZ Aeroscience® 2021 PRIVACY POLICY TERMS SITEMAP

BUY ON AMAZON PRIVATE LABEL EXPORT PenACCESS CUSTOMER LOG IN AUTOMOTIVE HEAVY DUTY MARINE RESOURCES SDS PENRAY® AUTOMOTIVE PRODUCTS NOT JUST PERFORMANCE. PENRAY PERFORMANCE. HOME AUTOMOTIVE Since 1951, Penray® has been the driving force in providing professional quality automotive maintenance products, services, and training that maximize performance and extend vehicle life! PERFORMANCE PRODUCTS INSTALLER PRODUCTS SUPER-X PRODUCTS ANTIFREEZE INHIBITORS Stay Up To Date With Penray’s Latest News LEARN MORE INGREDIENT DISCLOSURE REGULATORY INFORMATION COMPLIANCE REGULATORY CONTACT US CAREERS ABOUT US NEWS All rights Reserved PLZ Aeroscience® 2021 PRIVACY POLICY TERMS SITEMAP