Repair VW Sharan

. Diesel engines: 1,9 l TDI.
+ 1. Introduction
+ 2. Engine VR6
- 3. The two-litre engine (ADY)
   3.1. Removal and installation
   + 3.2. Dismantling and assemblage
   - 3.3. A head of the block of cylinders and valves
      3.3.1. Removal of a head of the block of cylinders
      3.3.2. Dismantling of a head of the block of cylinders
      3.3.3. Repair of a head of the block of cylinders
      3.3.4. Assemblage of a head of the block of cylinders
      3.3.5. Installation of a head of the block of cylinders
      3.3.6. A hydraulic pusher
      3.3.7. Replacement of an epiploon of a camshaft
   + 3.4. Pistons and rods
   3.5. The block of cylinders
   + 3.6. A cranked shaft and radical bearings
   + 3.7. A mechanism drive газораспределения
   3.8. Tension adjustment приводного a belt of units of the engine
   3.9. An intermediate shaft
   3.10. Compression check in engine cylinders
   3.11. System of release of the fulfilled gases
   3.12. System of clearing with application of the activated coal
   3.13. System рециркуляции the fulfilled gases
+ 4. System of greasing of the engine
+ 5. Cooling system
+ 6. System of injection of fuel of engine VR6
+ 7. System Simos of injection of fuel of the 2,0-litre engine
+ 8. Ignition system
+ 9. Coupling
+ 10. A mechanical 5-step transmission
+ 11. Shaft of a drive of wheels
+ 12. The steering hydraulic booster
+ 13. A forward suspension bracket
+ 14. A back suspension bracket
+ 15. Brake system
+ 16. An electric equipment
+ 17. The diesel engine
+ 18. System of greasing of the diesel engine
+ 19. System of cooling of the diesel engine
+ 20. The power supply system of the diesel engine and turbocharger
+ Maintenance service card
+ Specifications and characteristics
+ Electroschemes




Folksvagen Sharan/Sharan repair>> The two-litre engine (ADY)>> Head of the block of cylinders and valves>> Dismantling of a head of the block of cylinders
Dismantling of a head of the block of cylinders spend in a following order:
- Turn away all details located on a head of the block of cylinders;
- Clamp a head of the block of cylinders together with fastened to the adjusting screw of a final collector a collar in a vice;

Fig. 108. Camshaft details: 1 — a bearing cover № 5; 2 — a bearing cover № 4; 3 — a bearing cover № 3; 4 — a bearing cover № 2; 5 — a nut, 20 Нм; 6 — a bearing cover № 1; 7 — a camshaft; 8 — segment шпонка; 9 — a bolt with a washer, 80 Нм; 10 — a camshaft cogwheel





- ослабьте nuts of covers of bearings № 5, 1 and 3 (fig. 108) everyone on two turns in regular intervals and cross-wise until both covers will not be turned off, remove covers;

The note
In a cover №1 there can be a sealing ring for a cover of a head of the block of cylinders.

- In the similar way remove covers of bearings № 2 and 4;
- Take out a camshaft from support of a head of the block of cylinders;

Fig. 109. Marks of hydraulic pushers





- Put risks-scratches on an inside of pushers, i.e. the first pusher — one risk, the second pusher — two etc. (fig. 109) as it is impossible to confuse them (readout is conducted from outside a mechanism drive газораспределения) and take out pushers. Do not put pushers, and put a contact plane downwards;

The note
Pushers are supplied by the hydraulic elements regulating a backlash in клапанном a drive and consequently with them it is necessary to address with care.


Fig. 110. Removal of valves by means of a stripper 2034




Fig. 111. Details of the mechanism of a drive of valves: 1 — a semicircular sealing ring; 2 — a hydraulic pusher; 3 — half of rod of the valve (crackers); 4 — the top plate клапанной valve springs; 5 — external and internal клапанные springs; 6 — маслоотражательный a cap; 7 — the bottom plate клапанной springs; 8 — the directing plug of the valve; 9 — a head of the block of cylinders; 10 — a camshaft epiploon; 11 — valves; a — height of a head of the block of cylinders




- The standard tool for removal and installation of valves is the tool at number 2034 (fig. 110). It fastens to a head of the block of cylinders. Release the valve 11 (fig. 111) from half of rod of the valve (crackers) 3, compressing springs 5 adaptation 2034;
- For removal of valves it is possible to use and a piece of a pipe which is put on the top plate of a spring. Under a valve plate on the other hand it is necessary to enclose something to fix it. Shortly strike a hammer on a pipe so that there were half of rod of the valve. They remain in a pipe. But do not tear off a pipe from a spring plate not to lose half of rod of the valve;
- Take out the top plate 4 (fig. 111 see) with springs 5, turn a head of cylinders 9 and take out from the bottom party the valve 11;
- Remove маслоотражательный a cap 6 from the directing plug 8;

The note
Maslootrazhatelnye caps always replace new.


Fig. 112. Removal of the bottom plate of springs of the valve by means of special nippers 3047





- By means of the special tool 3047 (fig. 112) or круглогубцев take out the bottom plate of 7 springs from an aperture.