If the wheel temperature increases to more than 177 deg., the core of the fusible plug melts and the tire deflates.

Apply sealant on the outer surface.

Find the damaged areas.

Make sure that the pipe is not clogged.

Replace the defective pump.

Deflate the tire.

Make sure that the cabin pressure stays constant.

Compare the two indications.

Find the source of the fuel leakage.

Principal dimensions shall be shown upon the drawing.

Only apply very light pressure to the surface.