VW Passat repair


+ 1. Ekspluatatsiiya of the car
+ 2. Maintenance
- 3. Engines
   + 3.1. Petrol engines of configuration of R4
   + 3.2. Petrol engine of configuration of VR6
   - 3.3. Diesel engines
      3.3.1. Technical characteristics
      3.3.2. General information
      3.3.3. Installation of the piston of the cylinder No. 1 in VMT
      3.3.4. Compression check in cylinders
      3.3.5. Gear belt of a drive of GRM
      3.3.6. Mechanism of a tension of a gear belt
      3.3.7. Gear pulley of a camshaft
      3.3.8. Gear pulley of a cranked shaft
      3.3.9. Pulley of an intermediate shaft
      3.3.10. Belts of a drive of auxiliary units
      3.3.11. Cover of a head of the block of cylinders
      3.3.12. Replacement of an epiploon of a camshaft
      3.3.13. Replacement of an epiploon of an intermediate shaft
      3.3.14. Replacement of epiploons of a cranked shaft
      3.3.15. Replacement of an epiploon of a forward cover of a cranked shaft
      3.3.16. Head of the block of cylinders
      3.3.17. Check of work of hydraulic pushers
      3.3.18. Flywheel
      3.3.19. Replacement of support of the power unit
      3.3.20. Oil case
      3.3.21. Oil pump
      3.3.22. Top casing of the AFN engine
      3.3.23. System of prestarting heating of diesel engines
      3.3.24. Glow plugs
+ 4. Cooling system
+ 5. Power supply system
+ 6. Ignition system
+ 7. Coupling
+ 8. Transmission
+ 9. Drive of forward wheels
+ 10. Suspension brackets
+ 11. Steering
+ 12. Brake system
+ 13. Wheels and tires
+ 14. Systems of heating, ventilation and conditioning
+ 15. Electric equipment
+ 16. Body
+ 17. Electric circuits


Repair B3-B4/Passat B3-B4 Volkswagen Passat>> Engines>> Diesel engines>> Cover of a head of the block of cylinders
Removal of a cover of a head of the block of cylinders carry out in the following order:
on the AFN engine remove the top casing of the engine;
– disconnect the tip from the electromagnetic valve of a stop of the engine;

Fig. 3.68. Head of the block of cylinders: 1–a head of the block of cylinders, 2 – laying of a head of the block of cylinders, 3 – the directing plug of the valve, 4 – a forward cover of the bearing of a camshaft, 5 – a bolt of fastening of a head of the block of cylinders, 6 – a maslootrazhatelny plate, 7 – laying of a cover of a head of the block of cylinders, 8 – a cover of a head of the block of cylinders, 9 – a plate, 10 – a stopper of a maslonalivny mouth, 11 – the union of the valve of a regulator of ventilation of a case


disconnect a hose of ventilation of a case and the regulator valve from the union 11 on a cover of the 8th head of the block of cylinders (see fig. 3.68 );
– unscrew three nuts of fastening of a cover of a head of the block of cylinders, remove washers and a sealant;
– uncover heads of the block of cylinders;
– remove laying of the 6th cover of a head of the block of cylinders;
– check a condition of laying and if necessary replace it with the new;
– clear interfaced surfaces of a head of the block of cylinders and a head cover of traces of oil and the remains of old laying.

       PREVENTION
To clear interfaced surfaces it is necessary accurately not to scratch them as pressure of oil in the working engine can lead to leakages through scratches, забоины, etc. defects on interfaced surfaces.

Installation of a cover of a head of the block of cylinders carry out in sequence, return to removal:
– establishing laying of a cover of a head of the block it is necessary to provide the correct arrangement of laying on a block head;

       PREVENTION
At installation of a cover of a head of the block of cylinders laying shift from interfaced surfaces is not allowed.

– connect the tip to the electromagnetic valve of a stop of the engine;
– on the AFN engine establish the top casing of the engine.