VW Sharan repair

. Diesel engines: 1,9 l of TDI.
+ 1. Introduction
- 2. VR6 engine
   + 2.1. Cнятие and installation
   + 2.2. Dismantling and assembly
   + 2.3. Head of the block of cylinders and valves
   + 2.4. Pistons and rods
   2.5. Block of cylinders
   + 2.6. Cranked shaft and radical bearings
   - 2.7. Drive of the mechanism of a gazoraspredeleniye
      2.7.1. Removal of details of a drive of the gas-distributing mechanism
      2.7.2. Installation of a drive of the gas-distributing mechanism
   2.8. Intermediate shaft
   2.9. Compression check in engine cylinders
   + 2.10. System of production of the fulfilled gases
+ 3. Two-liter engine (ADY)
+ 4. System of greasing of the engine
+ 5. Cooling system
+ 6. System of injection of fuel of the VR6 engine
+ 7. Simos system of injection of fuel of the 2,0-liter engine
+ 8. Ignition system
+ 9. Coupling
+ 10. Mechanical 5-step transmission
+ 11. Shaft of a drive of wheels
+ 12. Hydraulic booster of a steering
+ 13. Forward suspension bracket
+ 14. Back suspension bracket
+ 15. Brake system
+ 16. Electric equipment
+ 17. Diesel engine
+ 18. System of greasing of the diesel engine
+ 19. System of cooling of the diesel engine
+ 20. Power supply system of the diesel engine and turbokompressor
+ maintenance Card
+ Specifications and characteristics
+ Elektroskhema




Repair Sharan/Sharan Volkswagen>> VR6 engine>> Drive of the mechanism of a gazoraspredeleniye>> Installation of a drive of the gas-distributing mechanism

Fig. 92. Places of marking of chains of a drive of camshafts (are shown by shooters)





If the head of the block of cylinders is not removed, chains of a drive of the mechanism of a gazoraspredeleniye are marked (see fig. 92 ) and any of camshafts was not turned, in this case it is possible to establish asterisks and chains.
If the head of the block of cylinders is removed, it is necessary to adjust precisely a drive of the mechanism of a gazoraspredeleniye before establishing a head. The cranked shaft by no means cannot be scrolled, if chains are not put on asterisks of camshafts and a cranked shaft as in this case pistons will strike on valves. For this reason it is necessary to expose the piston of the first cylinder in situation VMT. Thanks to that the engine has six cylinders, the piston of the first cylinder only on every fourth turn is in situation VMT.
At the description of installation we believe that all elements of a drive of the mechanism of a gazoraspredeleniye are removed, as though assembly is carried out after complete dismantling of the engine. For installation of a drive of the mechanism of a gazoraspredeleniye make the following:
- turn a cranked shaft of the engine so that the piston of the first cylinder appeared in situation VMT. For this purpose on the removed engine turn a cranked shaft by means of flywheel rotation, and on the established engine and the removed head of the block of cylinders include transfer and turn a nave of a forward wheel. It is also possible to tighten temporarily a quencher of fluctuations to turn a cranked shaft. As it was already mentioned, it can be demanded to four turns before the piston of the first cylinder will appear in situation VMT;

Fig. 91. Elements of a drive of the mechanism of a gazoraspredeleniye: 1 — an intermediate shaft; 2 — a leading ring; 3 — a bolt, 10 N · m; 4 — a sensor drive; 5 — a bolt, 10 N · m; 6 — a bolt, 25 N · m; 7 — an elastic element of the tension device; 8 — the tension device of a dvukhryadny chain, 20 N · m; 9 — a dvukhryadny chain; 10 — an asterisk of a drive of a dvukhryadny chain; 11 — an asterisk of a drive of a single-row chain; 12 — the tension device of a chain with a boot; 13 — an asterisk of a drive of the chain, built in a cranked shaft; 14 — a single-row chain; 15 — a level of an uspokoitel; 16 — a special bolt, 25 N · m; 17 — a finger from burty, 25 N · m; 18 — an uspokoitel; 19 — a bolt, 20 N · m; 20 — asterisks of cranked shaft




Fig. 94. Alignment of labels of both chains and asterisks: A — a clamp of a natyazhitel of a chain; B — adjusting tooth of an asterisk; C — an adjusting label of an asterisk of an intermediate shaft




- put on the bottom single-row chain of a drive of the mechanism of a gazoraspredeleniye an asterisk 13 (see fig. 91 ) a cranked shaft. For this purpose check that adjusting tooth of B (fig. 94) on an asterisk of a cranked shaft is really located correctly. B tooth — one of a teeth of an asterisk of a cranked shaft which is ground and it should settle down on one line with a joint of a cover of the radical bearing No. 1 if the piston of the first cylinder is in situation VMT;

Fig. 95. Adjusting label of an asterisk of an intermediate shaft




- establish an asterisk 11 (see fig. 91 ) a drive of a single-row chain of an intermediate shaft so that the adjusting label From an asterisk of an intermediate shaft stood opposite to a label on a leading ring 2 (see fig. 91 ). Put on an asterisk of an intermediate shaft the bottom single-row chain (fig. 95) ;
- if the old chain, that is established, establishing it, it is necessary to observe the direction of movement marked earlier (see fig. 92 );
- put on a small asterisk 10 (see fig. 91 ) an intermediate shaft, and, having fixed an intermediate shaft in a motionless condition, wrap a bolt with the moment of an inhaling of 100 N · m;
- establish the tension device of a chain 12 (see fig. 91 ) to a single-row chain. Tighten their bolts of fastening and fingers;
- once again check, whether there is an adjusting label With on a big asterisk of an intermediate shaft opposite to a label on a directing ring;
- establish a head of the block of cylinders and turn both camshafts so that cams for valves of the first cylinder were directed by the round party down (i.e. are located how they should settle down in situation VMT);

Fig. 96. The adaptation 3268 for alignment of camshafts





- establish on a head of the block of cylinders the adaptation 3268 (fig. 96) for alignment of camshafts;

Fig. 97. Installation of the piston of the first cylinder in situation VMT





- check, that the piston of the first cylinder was in situation VMT (the flute on a pulley of a belt drive should coincide with a label) (fig. 97) ;
- put on both asterisks 20 (see fig. 91 ) camshafts, and then put on a dvukhryadny roller chain;
- if the old chain that is established, establishing it, it is necessary to observe the direction of movement marked earlier (see fig. 92 );

Fig. 31. Components of camshafts together with covers of bearings and asterisks: 1 — a cover of the bearing of a camshaft; 2 — a nut, 20 N · m; 3 — camshafts; 4 — asterisks of camshafts; 5 — the driving mechanism of the sensor of the Hall; 6 — bolts, 100 N · m





- on one of camshafts establish the driving mechanism 5 (see fig. 31 ) the Hall sensor;
- wrap both bolts of fastening of asterisks on camshafts;
- holding camshafts in a motionless condition by means of a rozhkovy key «on 24 mm», put on on a shestigrannik, tighten both bolts of fastening of asterisks the moment of an inhaling of 100 N · m. After an inhaling check once again that all adjusting labels are located correctly;

Fig. 98. Hydraulic tension device of a chain: And — a place of weakening of the tension device





- establish the tension device of a chain. Located in the tension device of a chain the piston has the blocking device which let's to the piston depart back. Before installation of the tension device of a chain insert a screw-driver into shlitsa of A (fig. 98) and turn the piston that it to unblock. Thus compress the tension device of a chain a hand. Establish the tension device on a chain and tighten bolts with the moment of an inhaling of 10 N · m;
- twist a bolt of a natyazhitel of a chain 8 (see fig. 91 ) in a head of the block of cylinders and tighten the moment of an inhaling of 20 N · m. Thus he will pull a dvukhryadny roller chain with the ordered effort that is after that it is not necessary to carry out any additional adjusting works on a chain tension;
- once again check that the drive of the mechanism of a gazoraspredeleniye is established and adjusted correctly and close the engine in front.
All further works are made in sequence, return dismantling.