Daewoo Nexia

since 1994 of release

Repair and car operation

Deu Neksiya
+ Maintenance instruction
+ Maintenance
+ Engine
+ 3. Engine (two top camshafts)
+ cooling System
+ Toplevnaya and exhaust systems
+ Electric chain
+ 7. Ignition system
+ 8. Electronic control unit and sensors
+ Transmission
+ 10. Five-speed transmission and main RPO MM5 broadcast
+ 11. Automatic Transmission
+ Steering
+ Running gear
+ 14. Forward suspension bracket
+ 15. Drive of forward wheels
+ 16. Back suspension bracket
+ Brake system
+ Body
- Heating, ventilation
   19.2. Air central air
   19.3. Diagnostics of malfunctions
   19.4. Features of the conditioner
   19.5. Work of central air of air
   + 19.6. Management of air central air
   19.7. Relay and switches
   - 19.8. Diagnostics of malfunctions
      19.8.2. Insufficient cooling of air - the operative test
      19.8.3. Check of tightness of system of cooling of air
   + 19.9. Maintenance
   + 19.10. Removal and installation of knots of central air of air
   19.11. The V-5 compressor – the work description
+ Electric equipment


19.8.2. Insufficient cooling of air – the operative test


The simplified test described below allows to establish quickly an insufficient charge of system of CB coolant R-12 (air temperature exceeds 21 ° C). The test takes some minutes and can simplify considerably troubleshooting of KB system or reduce labor input of detailed testing of system.

1) The engine should be heated-up and idle.

2) To open a cowl and Body doors.

3) To turn on the button of KB system and to switch off the button of a retsirkulyatsiya of air.

4) To establish an air temperature regulator on the minimum temperature.

5) To include the maximum speed of rotation of the fan.

6) At the switched-on compressor to define to the touch temperature of the entrance pipeline of the evaporator (behind a throttle branch pipe) and a receiver. At serviceable system of cooling of air the entrance branch pipe of the evaporator and a surface of a receiver should have identical temperature which on some degrees is lower than air temperature. To check existence of other malfunctions.

To check existence of leakages of a coolant. At detection of leaks to discharge KB system and to make necessary repair. Then again to charge KB systems a coolant.

If leaks it is not revealed, to carry out detailed check of Quarter system.