Leak Check Test With Black Light

Leak Check Test With Black Light
Fluid soluble aniline or fluorescent dyes premised at the rate of 2.5 ml (1/2 teaspoon) of dye powder to 0.24 Liters (112 pint) of automatic transmission fluid have proven helpful in locating the source of fluid leakage. Such dyes may be used to determine whether an engine fluid or transmission fluid leak is present, or if the fluid in the transmission fluid cooler hose leaks into the engine coolant system. An ultraviolet light must be used to detect the fluorescent dye solution.