VOLKSWAGEN GOLF IV

since 1997 of release

Repair and car operation



Foltsvagen Golf 4
+ 1. Maintenance instruction
+ 2. Engine
+ 3. Cooling system
+ 4. Fuel system
+ 5. Exhaust system
+ 6. Ventilation and heating system
+ 7. Coupling
+ 8. Transmission
+ 9. Suspension brackets and power shafts
+ 10. Steering
+ 11. Wheels and tires
- 12. Brake system
   12.1. Technical characteristics
   + 12.2. ABS/EBV/EDS/ASR/MSR
   + 12.3. Replacement of forward brake shoes on FS-III support
   + 12.4. Replacement of brake shoes on FN-3 support
   + 12.5. Replacement of back brake shoes on disk brakes
   + 12.6. Brake disk
   12.7. Adjustment of the hand brake
   + 12.8. Replacement of back brake shoes on drum-type brakes
   12.9. Removal and installation of the back working brake cylinder
   - 12.10. Pumping of hydraulic brake system
      12.10.1. Pumping – the main method (two persons)
      12.10.2. Pumping – set use with the unidirectional valve
      12.10.3. Pumping – use of a set of pumping under pressure
      12.10.4. All methods
   12.11. Brake pipelines and hoses
   12.12. Check of the vacuum amplifier of brakes
   12.13. Removal, installation and adjustment of the switch of a stoplight
   12.14. Removal and installation of cables of the hand brake
   12.15. Main malfunctions of brakes
+ 13. Body
+ 14. Electric equipment and electroschemes


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12.10.3. Pumping – use of a set of pumping under pressure

GENERAL INFORMATION

When pumping by this method a large amount of liquid for hydrosystem is necessary to prevent air hit in the main brake cylinder in the course of pumping that often occurs, if liquid level in a tank is not supported.

Pumping by pressure is especially effective, when the system is difficult for pumping or when complete pumping of system is spent during usual replacement of brake liquid.

PERFORMANCE ORDER
1. Use of a set of pumping under pressure demands giving to it the compressed air for what it is possible to use the beefy tire of a spare wheel. Reduce pressure in the tire to the size specified in the maintenance instruction of a set.

Prevention

Volkswagen recommends to use the compressed air submitted under the pressure of no more 2nd bar.


2. Connect the filled brake liquid the container to a popolnitelny tank of the main brake cylinder.
3. Process of pumping begins after unscrewing of the union of pumping on a turn half.
4. After when the effluence of brake liquid with vials of air will stop and only pure brake liquid will follow, screw up the pumping union against the stop.