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Land Cruiser

  1. Remove HIC valve from air cleaner. Close intake manifold pipe with finger and blow through heated air cleaner tube. No air should come out atmospheric port below 81 °F (27°C).
  2. Heat valve in hot water. DO NOT allow water inside valve. 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).
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