Replacing a fine filter element with a ZMZ-402 engine

You can replace the filter element or disassemble the filter without removing the filter from the engine

Depending on the design, a filter element made of brass mesh, filter paper or porous ceramics can be installed inside the filter settling cup.

Replacing the fine filter element with ZMZ-402 engine

Unscrew the wing nut at the bottom of the filter.

Replacing the fine filter element with ZMZ-402 engine

Move the glass holder to the side.

Replacing the fine filter element with ZMZ-402 engine

Take out the glass, drain the remaining fuel, remove the filter element and spring

We wash the removed parts in solvent. Carefully assemble the filter with the new element in reverse order

It is necessary to ensure that the pressure spring is located in the recess of the filter element without distortion, and that the element itself is accurately placed on the centering collar of the housing.

The wing nut of the bracket should only be tightened by hand.

If the gasket is damaged and fuel leaks between the cover and the filter sump, replace the rubber sealing gasket of the sump by removing it from the groove in the housing.

When using a filter element made of brass mesh or ceramic, it should be washed in clean gasoline and reused.

Replace the paper element with a new one.

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Use a 14 wrench to unscrew the fitting of the fuel supply hose.

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Holding the filter fitting with a 17mm wrench, use a 14mm wrench to unscrew the outlet hose fitting

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Using a 14mm wrench, unscrew the nut of the bolt securing the fine filter housing

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Removing the filter

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Unscrew the wing nut and remove it together with the holder

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Move the rocker to the side

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Remove the settling glass

Removing and disassembling the fine fuel filter with the ZMZ-402 engine

Remove the filter element, spring and rubber gasket from the filter

We wash the removed parts in solvent or replace the filter element, and assemble the filter in the reverse order.

Replacing the fuel filter on cars with ZMZ-405, ZMZ-406 engines

It is recommended to replace the filter every 80 thousand kilometers.

But the condition of the filter depends on the quality of gasoline.

Jerking when the car moves, first at high and then at low speeds, indicates a clogged filter.

A decrease in filter throughput is indicated by an increased noise level of the electric fuel pump.

Install the car on a lift or inspection hole.

Reduce the pressure in the power system.

Replacing the fuel filter on cars with engines ZMZ-405, ZMZ-406

Squeeze the plastic tip of the fuel supply pipe

Replacing the fuel filter on cars with engines ZMZ-405, ZMZ-406

Remove the tip from the fuel filter fitting

Replacing the fuel filter on cars with engines ZMZ-405, ZMZ-406

Disconnect the fuel line connector on the other side of the filter

Replacing the fuel filter on cars with engines ZMZ-405, ZMZ-406

Holding the nut from turning, unscrew the pinch bolt of the clamp securing the fuel filter to the bracket.

Replacing the fuel filter on cars with engines ZMZ-405, ZMZ-406

Remove the filter

Replacing the fuel filter on cars with engines ZMZ-405, ZMZ-406

Install the fuel filter so that the arrow on its body is directed in the direction of fuel flow

Install the fuel filter in reverse order and check the connections for leaks.