6.21. Canister of catching of vapors of fuel

1 – canister;
2 – holder of a canister;
3 – arm of the fuel filter;
4 – fuel filter;
5 – fuel return hose;
6 – fuel return pipe.

Removal and installation

1. Pipes have to be reliably fixed by collars and clips to exclude fuel leak.
2. After installation of pipes and hoses, be convinced that they are not pressed.
3. Correctly lay hoses and pipes and fix them.
4. Establish collars and clips so that they did not concern any next elements of the car.


1. Check hoses and pipes for lack of cracks, an excess, deformation, aging and a contamination.
2. Check the fuel filter for lack of a contamination or damages.
3. Check a canister for lack of contaminations.
4. Check operability of the limiter of overflow (the double-thread valve) and the fuel adjusting valve of cleaning.
5. Check operability of the double-thread valve, blowing it from two parties. If air passes hardly, so the valve is serviceable.
6. Check the adjusting valve of cleaning as follows:

– be convinced that temperature of cooling liquid is equal to 80-95 °C;
– disconnect a hose of cleaning of the carburetor and blow in it. If the valve is closed, so its action normal. Start the engine and increase the frequency of rotation of a bent shaft up to 1500–2000 min.-1 and blow in a hose. If the valve is closed, check a condition of a vacuum hose or work of a thermal valve.