- Description
- Reviews
- Quickly pinpoints and checks for combustion leaks
- Fluid changes from blue to yellow when exposed to gases in the radiator
- Checks for combustion leaks caused by bad head gaskets, cracked blocks, and cracked or warped heads.
- Fluid changes from blue to yellow when exposed to combustion gases from the radiator.
- Connect the hose to any vehicle vacuum line. Or, on tools made after June 2002, use the adapter with no cross hole with a hand vacuum pump.
- Place tapered end of tool into radiator opening.
- With the engine running, the vehicle vacuum or the vacuum pump draws vapors through the indicating fluid for testing.
- Patent: 6,806,092
