Volkswagen Golf ll, Jetta II

1983-1992 of release

Repair and car operation



Volkswagen Golf 2 / Jett 2
+ 1.1. Short technical characteristics of diesel engines
+ 2. Engine
- 3. Power supply system
   + 3.1. Power supply system of carburetor engines
   - 3.2. A power supply system of engines with fuel injection
      3.2.1. Replacement of a filtering element of the air filter
      3.2.2. Frequency of idling and the maintenance of an oxide of carbon in the fulfilled gases
      3.2.3. Check of the valve of start-up of the cold engine and thermoswitch
      3.2.4. Check of the air valve of start-up of the cold engine
      3.2.5. Check of the valve of warming up of the engine
      3.2.6. Check and replacement of nozzles
      3.2.7. Plate of a measuring instrument of a consumption of air
      3.2.8. Fuel distributor
      3.2.9. Measuring instrument of a consumption of air
      3.2.10. Pressure regulator
      3.2.11. The pumping-up fuel pump
      3.2.12. Fuel pump
      3.2.13. Fuel filter
      3.2.14. Fuel accumulator
      3.2.15. Fuel tank
      3.2.16. Adjustment of a cable of an accelerator
   + 3.3. Power supply system of diesel engines
+ 4. Coupling
+ 5. Transmission
+ 6. Transmission
+ 7. Forward drive
+ 8. Steering
+ 9. Suspension brackets
+ 10. Brake system
+ 11. Body
+ 12. Electric equipment




3.2.3. Check of the valve of start-up of the cold engine and thermoswitch

GENERAL INFORMATION

System scheme вспрыска K-Jetronic fuels

1–fuel tank;
2–fuel filter;
3–fuel accumulator;
4–fuel pump;
5–storage battery;
6–switch (lock) of ignition;
7–switch of the fuel pump;
8–ignition distributor;
9–thermoswitch;
10-valve of start-up of the cold engine;
11-spark plug;
12-nozzle;
13-inlet pipe;
14-air valve of start-up of the cold engine;
15-butterfly valve case;
16-butterfly valve;
17-measuring instrument of a consumption of air;
18-measuring instrument plate;
19-cap;
20-fuel distributor;
21-valve of warming up of the engine;
22-piston of the distributor of fuel;
23-pressure regulator;
24-lever of a plate of a measuring instrument;
25-persistent lever of the piston of the distributor of fuel;
26-screw of adjustment of quality (structure) of a mix;
27-screw of adjustment of quantity of a mix

The valve of start-up 10 cold the engine is established in an inlet pipe of the engine. The valve submits additional amount of fuel to an inlet pipe during start of the cold engine. The valve copes a thermoswitch 9. The thermoswitch opens the valve during engine start, depending on temperature of cooling liquid. The temperature of cooling liquid is higher, the less time the valve 10 is open. If the temperature rather high, the valve 10 does not open. Check of the valve and a thermoswitch carry out on the cold engine, at temperature of cooling liquid is lower 30 ° With in the following order:

PERFORMANCE ORDER
1. To disconnect a block with wires from the valve 10.
2. To connect between block contacts a bulb.
3. To take out from the ignition distributor the central wire of a high voltage and to connect it to "weight".
4. To disconnect a block with wires from a thermoswitch 9.
5. To connect contact of 2 «W» (a white and green wire) a wire to "weight". Not to connect to "weight" contact of 1 «G» (a red-black wire).
6. To include a starter, the bulb should light up. If the bulb does not burn, break means in a chain.
7. To unscrew bolts of fastening of the valve and it is careful not to damage laying, to remove the valve 10.
8. To connect to the valve a block with wires, to substitute under the valve glass capacity and to include on 10 about a starter. During thermoswitch inclusion the valve should spray fuel in the form of the correct cone. To wipe the valve and to look, whether leaks fuel from the valve. If during 1 mines on the valve there will be no fuel traces, the valve means is serviceable. The faulty valve to replace.
9. To disconnect from the valve a connecting block with wires and to connect between block contacts a bulb.
10. To include a starter on 10 villages. The bulb should light up and burn at once during 3 pages. If the bulb does not burn, to replace a thermoswitch.
11. To establish into place the valve, to connect to it a block with wires.
12. To connect to the ignition distributor the central wire.