Occurs in the system after changing diesel filter

Hello friends, I changed the diesel filter, I took the air in the system of my vehicle, I started the engine, I rode it for 1 day, I drove it, no problem, it didn't work the next morning.

vehicle 1.4 hdi diesel connections myself I did not think there was a problem with the connection, it would not work at all, anyway, it seems like I was getting air from the water pump. I put it in place, run it, did something missing?

the filter you bought may be faulty, hodja. or as you say it makes air from somewhere. You don't have to control the connections well.

There is a heater on the sister diesel filter, from there he can. It happened to me in my old car before. If it is not installed well, it makes air from there. I changed quite a bit until I found it

the filter is out of order, the brothers have changed, it has improved, it is sending the diesel back to the tank, it is swinging back, it has improved, it was original, I bought it.