Hotter EGR Diesels Require Careful Monitoring of Coolant Systems
Background Enviro-Cool Cleaner/Filter product designed for system cleaner before changing coolant types
12-Volt Vehicle Electrical Systems Moving to 42-Volts in Next 4 Years
Background 6-volt to 12-volt transition started in 1955 (GM) and completed in 1966 (VW) New GM “flex power” hybrid Silverado/Sierra use 42-volt lead-acid batteries
