The oemtools combustion leak detector offers a quick and efficient way to test for combustion leaks that result from head gasket, cylinder head and engine block leaks. Gasoline, diesel, propane, natural gas and other alternative fuels Blown head gasket (bhg) cracked head or block pulled bolts or studs warped sealing surfaces quality tool made in usa for over 45 years with limited lifetime.
Buy leak detector kit / engine block test tools inc Oemtools also makes testing fluid that's cheaper, but the actual cost difference between the lisle fluid and the cheap fluid is a couple of dollars. Get deals on automotive parts, truck parts and more.
Fluid changes from blue to yellow when exposed to combustion gases from the radiator. The test kit is a little expensive, but i needed to be absolutely sure i didn't have a head gasket leak before starting on a separate project to fix a leak in the engine
