If I remember correctly the Jinma 304 does have a magnet in the bottom of the diff. housing in the area of the drain plug.
The only way to get in there is to remove the lift box and go in from the top.
Which is what I had to do on mine to remedy a lift problem and to de-slime the metal shavings.
The only way to get in there is to remove the lift box and go in from the top.
Which is what I had to do on mine to remedy a lift problem and to de-slime the metal shavings.
