•  The rollover valve is welded in a place along the evaporative gas passage on the upper surface of the fuel tank and cannot be removed/installed.

•  Press-fitted in the rollover valve in the fuel tank and cannot be removed/installed.

•  Press-fitted in the check valve (two-way) in the rollover valve and cannot be removed/installed.

•  The rollover valve consists of a float, and spring.

•  The rollover valve utilizes a combination of float weight, spring force, and buoyancy. When the float is sunk in the fuel, the float (valve) closes to block the sealing surface of the passage.

•  Mainly consists of positive and negative pressure valves.

•  The valve moves in response to the difference in air pressure between the fuel tank and the charcoal canister sides, thereby changing the path of airflow.

•  When the pressure in the fuel tank becomes positive, the evaporative gas path opens drawing evaporative gas from the fuel tank into the charcoal canister.

•  When the pressure in the fuel tank becomes negative due to fuel consumption or other factors, the evaporative gas path opens, drawing air from the charcoal canister into the fuel tank.