Replacing the fuel filter Lada Priora
Engine repair

Replacing the fuel filter Lada Priora

To increase the service life of the injectors, the fuel must be cleaned from mechanical inclusions. For this, a fine filter is installed in the line, between the fuel pump and the high-pressure rail. The pores of the filter element have a diameter smaller than the nozzles of the nozzles. Therefore, dirt and solids do not pass to the injectors.

How often the filter needs to be replaced

Replacing the fuel filter Lada Priora

Replacing the Priora fuel filter

The fuel filter is a consumable item. The Lada Priora has a replacement interval of 30 thousand km. However, this period is only suitable for ideal operating conditions. If the fuel quality is poor, change should be done more often.

Signs of a possible clogged fuel filter

  • increased noise of the fuel pump;
  • loss of thrust with increasing load;
  • uneven idle;
  • unstable engine operation with a working ignition system.

To check the degree of clogging of the filter, you can measure the pressure level in the rail. To do this, connect a pressure gauge to the process connection and start the engine. The fuel pressure at idle speed should be in the range of 3,8 - 4,0 kg. If the pressure is below normal, this is a sure sign of a clogged fuel filter. Of course, the statement is true if the fuel pump is in good working order.

Preparing to replace the fuel filter

Security measures:

  • be sure to have a carbon dioxide fire extinguisher at arm's length;
  • when working under the bottom of the car, it is necessary to provide for the possibility of quick evacuation of the mechanic;
  • under the filter there is a container for catching fuel;
  • the car must be on stops, using only a jack is unsafe;
  • DO NOT SMOKE!
  • do not use an open flame or a carrier with an unprotected lamp for lighting.

Before starting work, the pressure in the fuel rail must be relieved. This can be done in different ways:

  1. Disconnect the power connector from the fuel pump, start the engine and wait until the rail runs out of fuel. Then turn on the starter for a few seconds.
  2. Ignition OFF, disconnect the fuel pump fuse. Then repeat the procedures specified in clause 1.
  3. With the battery disconnected, bleed the fuel from the rail using the fuel gauge.

Required tools and accessories

  • keys for 10 (to open the clamp holding the filter);
  • keys for 17 and 19 (in case the fuel line connection is threaded);
  • penetrating grease type WD-40;
  • protective glasses;
  • clean rags.

The procedure for replacing the fuel filter on the Priora

Replacing the fuel filter Lada Priora

Where is the fuel filter on the Priora

  1. disconnect the battery terminals;
  2. clean the filter housing and the line;
  3. loosen the threaded connections of the fittings or press the latches of the collet locks, and move the hoses to the sides (when unscrewing the threaded connection, keep the filter from turning);Replacing the fuel filter Lada Priora
  4. Fuel filter mounts on Priora
  5. wait for the remaining fuel to drain into the container;
  6. release the filter from the fastening clamp, keeping the horizontal position - put it in a container with the remaining fuel;
  7. install a new filter in the clamp, making sure that the arrow on the housing correctly indicates the direction of fuel flow;
  8. bait the mounting bolt on the clamp;
  9. put the fuel line hoses on the filter fittings, avoiding the ingress of debris;
  10. feed the clamps to the center until the lock connections snap into place, or tighten the threaded connections;
  11. tighten the filter mounting clamp;
  12. turn on the ignition, wait a few seconds until the pressure in the rail rises;
  13. check the connection for fuel leaks;
  14. start the engine, let it idle - check for leaks again.

Dispose of the old filter, flushing and reuse is unacceptable.

how to replace the lada priora fuel filter

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