Land Cruiser
- Remove HIC valve from air cleaner. Block intake manifold port. Blow through heated air cleaner port. No air should escape from atmospheric port below 81°F (27°C).
- Heat valve in hot water. DO NOT allow water inside valve. Block heated air cleaner port. Blow through intake manifold port.
- A small amount of air should flow when valve is between 81-122°F (27-50°C). A large amount of air should flow when valve is above 185°F (85°C).