Skoda Felicia

since 1994 release

Repair and operation of the car

Skoda Felicia
+ Cars of the Skoda Felicia brand
+ Maintenance instruction
+ Routine maintenance
+ Repair of the engine
+ Cooling systems, heating
- Power supply system
   + Power supply system of the carburetor engine of 1.3 l
   + System of the central injection (SPFI) of the petrol engine
   + System of the distributed injection (MPFI) of the petrol engine
   - Power supply system of the diesel engine
      General information and precautionary measures
      Removal and installation of assembly of the air cleaner and components of an inlet path
      Removal, installation and adjustment of a cable of an accelerator
      Removal and installation of the sensor of fuel consumption
      Removal and installation of the fuel tank
      Removal and TNVD installation
      Check and adjustment of the maximum turns of the engine and turns of idling
      Check of installation of turns of bystry idling
      Check and correction of installation of phases of injection of TNVD
      Removal and installation of nozzles
      Removal and installation of the electromagnetic locking valve
   + Systems of decrease in toxicity and production of the fulfilled gases
+ Engine electric equipment
+ Coupling
+ Transmission
+ Power shafts
+ Brake system
+ Suspension bracket and steering
+ Body and finishing of salon
+ Onboard electric equipment

Removal and installation of nozzles

At service of nozzles it is necessary to observe special precautionary measures. Remember that pressure of operation of nozzles is very high and hit of a stream from a nozzle on open parts of the body can lead to receiving serious injuries. Authors of the present manual recommend to charge performance of all carried out under pressure of checks of system to qualified specialists of car repair shop.

See the preventions provided in the Section the General information and precautionary measures.

General information

Nozzles in the course of functioning of the engine are subject to wear, and therefore their state has to be checked at least each 100 000 km (60 000 miles) of a car run. Exact diagnostics of a condition of nozzles, their capital repairs and calibration have to be left to experts. Below the order of the procedure of identification of the defective nozzles (leading to emergence of a detonation or excessive smoke) is described.

Start the engine and arrange its working at turns of bystry idling. Serially weaken nipple connections of each of nozzles, previously having imposed them with rags for collecting the passed fuel. When weakening the union of a defective nozzle the detonation taking place or excessive smoke will stop.



It is not necessary to allow hit in dirt nozzles at all. Do not drop the removed nozzles, do not try to clean them by means of a needle.

1. Disconnect a negative wire from the battery.
2. Cover the generator with pure rags for protection against hit on it the spilled diesel fuel.
3. Carefully wipe surfaces around nozzles and nuts of their nipple connections. Disconnect returnable tubes from nozzles.
4. Wipe surfaces around nipple connections of the giving tubes and disconnect the last from nozzles and a back part of TNVD (tubes are removed uniform assembly). Giving a connection nut, hold the second half of the socket on the pump from a provorachivaniye the second wrench. Remove assembly of tubes from the engine. At once to a zakuporta open unions in order to avoid hit in system of dirt.

5. By means of a deep face head on 27 mm turn out each of nozzles of a head of cylinders and remove them from the engine.

6. Remove and will throw out thermoprotective washers - at assembly they are subject to replacement without fail.



1. Establish new thermoprotective washers of nozzles on a head of cylinders. Remember that washers have to be established by the concave party down (to a head).

2. Screw nozzles in the landing nests in a head and tighten them with the required effort.

3. Connect fuel tubes, having tightened nuts of nipple connections with the required effort. Establish all necessary clips and clamps on tubes.
4. Connect returnable tubes to each of nozzles. Connect the battery and check serviceability of functioning of the engine.