Use the leak detector fluid with the Lisle 75500 Combustion Leak Detector. Indicating fluid changes from blue to yellow when exposed to combustion gases in the radiator. Detects Combustion Leaks on Engines.
Lisle 75500 Combustion Leak Detector
Lisle 75730 Combustion Leak Indicating Fluid for Diesel ENGINES
Lisle Tools Combustion Leak Down Tester 16oz
Lisle Tools Combustion Leak Indicating Fluid Gas Engines 16oz
Lisle 75730 Combustion Leak Indicating Fluid for Diesel Engines