The cause of the gasoline smell turned out to be a non-sealed fuel tank. The cap for the tubes was slightly open.
I installed the lid correctly. To check it, I gave air pressure and heard where else there might be leakage. It turned out that at the top of the tank, there are two small holes - metal had rusted through completely. I soldered them with regular solder used for copper wires and covered them with a thick layer of sealant. The pressure held.
As soon as I attached the tank back in place, it started leaking from the bottom. This was a serious hole caused by rust.
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To test the old-fashioned method, I rubbed the leak with soap.
The leak stopped because gasoline doesn't dissolve soap.
I put soap in my travel kit and took off the tank again.
After cleaning the rusty areas, more holes were revealed.
I had it welded by a specialist according to the technology: steaming, filling with ammonia, welding patches and spot welding where necessary.
State inside before procedures.
In the garage, I washed it from ammonia, then soaked it for two hours in 0.5 liters of orthophosphoric acid, rinsed it with water, dried it with a hair dryer, and at last used about 300 grams of acetone to remove any leftover moisture (I read all this technology on Drive).
There is an effect.
Wrapping really helps during drying; the tank became hot from a regular hair dryer.
As a result, not only did the smell disappear from the cabin, but also in the garage there was no longer the smell of gasoline .
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If someone shows what a stock absorber looks like, to which the third tube from the fuel tank connects, I would be grateful.
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