How a Cooling System Pressure Test Finds Tucson Leaks

Technician performing a cooling system pressure test to find hidden coolant leaks in Tucson

Pressurizing a vehicle’s cooling circuit to 16 PSI while cold isolates hairline plastic fractures, weeping water pump gaskets, and leaking heater core seams without running the engine. A 15-minute static hold reveals hidden pressure drops, preventing unnecessary radiator replacements and protecting aluminum cylinder heads from severe thermal warpage during extreme Tucson summer heat. A vehicle […]