Repair VW Sharan

. Diesel engines: 1,9 l TDI.
+ 1. Introduction
+ 2. Engine VR6
+ 3. The two-litre engine (ADY)
+ 4. System of greasing of the engine
+ 5. Cooling system
- 6. System of injection of fuel of engine VR6
   6.1. Safety measures at work on repair of system of injection
   6.2. A principle of work ЭСУД under various conditions
   + 6.3. Injection system
   + 6.4. Malfunctions of system of injection
   - 6.5. Work on repair and service of system of injection
      6.5.1. Removal and installation of fuel atomizers
      6.5.2. Check of the gauge of the mass expense of air
   6.6. A cable of a drive throttle заслонки
   + 6.7. The electric fuel pump
   6.8. The fuel filter
   6.9. The gauge of level of fuel in a tank
   6.10. The air filter
+ 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


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Folksvagen Sharan/Sharan repair>> System of injection of fuel of engine VR6>> Work on repair and service of system of injection>> Removal and installation of fuel atomizers
Removal of fuel atomizers spend in a following order:

Fig. 202. The air filter and the details located near to it: 1 — the top part of the air filter; 2 — a vacuum hose; 3 — an O-shaped sealing ring; 4 — the gauge of the mass expense of air; 5 — штекерная колодка for the gauge of the mass expense of air, black colour; 6 — a hose of let in air; 7 — штекерная колодка, black colour; 8 — a heating element of system of ventilation картера; 9 — a connecting hose; 10 — the valve of system of ventilation картера; 11 — a ventilating hose; 12 — a collar for (13); 13 — the electromagnetic valve of system of clearing by means of the activated coal; 14 — a ventilating hose; 15 — штекерная колодка, green colour for (13); 16 — rubber муфта; 17 — a filtering element; 18 — the bottom part of the air filter; 19 — an air inlet hose





- Remove the top part of the air filter 1 (fig. 202 see);
- Disconnect штекерную колодку 5 gauges of the mass expense of air and штекерную колодку 7 heating elements;
- Remove from a head of the block of cylinders the valve of 10 systems of ventilation картера and the ventilating hose 11 going to the electromagnetic valve of 13 systems of clearing with application of activated coal from the top part of an inlet collector;
- Disconnect high voltage wires (ВН) from spark plugs (the special tool 3 277 A for this purpose is required);

Fig. 201. The top and bottom parts of an inlet collector and the details located nearby: 1 — the top part of an inlet collector; 2 — directing wires ВН; 3 — a sealing ring; 4 — a hose of giving of fuel; 5 — a hose of return of fuel; 6 — a fuel distributive highway; 7 — a bolt, 10 Нм; 8 — the bottom part of an inlet collector; 9 — a lining, replace; 10 — an atomizer; 11 — an O-shaped sealing ring; 12 — a bolt, 25 Нм; 13 — an elevating eye; 14 — an arm of the valve of giving of secondary air; 15 — the valve of giving of secondary air; 16 — a vacuum hose; 17 — штекерная колодка, dark blue colour; 18 — collars; 19 — a regulator of pressure of giving of fuel; 20 — штекерная колодка, black colour; 21 — the directing plug; 22 — штекерная колодка, black colour; 23 — the temperature gauge; 24 — the T-shaped union; 25 — a vacuum hose, to the amplifier of a brake drive





- Remove directing wires ВН 2 (fig. 201 see) from a lobby and an opposite side of an inlet collector 1;

Fig. 200. The details established near to the case throttle заслонки: 1 — the top part of an inlet collector; 2 — directing a cable; 3 — a bolt, 10 Нм; 4 — a back right support between the top part of the inlet pipeline and a head of the block of cylinders; 5 — a bolt, 25 Нм; 6 — a vacuum hose, from the valve of system of ventilation картера; 7 — a ventilating hose, from system of clearing by means of the activated coal; 8 — the T-shaped union; 9 — the case throttle заслонки; 10 — штекерная колодка, black colour, 8 sockets; 11 — a lining, it is necessary to replace; 12 — a support of a cable of a drive throttle заслонки; 13 — a connecting element, 35 Нм (for valve EGR); 14 — "a mass" cable; 15 — the left back support between the top part of an inlet collector and a head of the block of cylinders





- Remove a cable of a drive throttle заслонки together with a support 12 (fig. 200) a drive throttle заслонки see, but make it so that not to delete a collar of fastening of a cable;
- Mark and remove hoses of a cooling liquid from the case throttle заслонки. Thus the cooling system should not be under pressure;
- Disconnect топливопроводы from a head of the block of cylinders;
- For some time open a cover of a fuel tank (to lower excessive pressure) then impose places of joining of hoses with a thick rag and slowly disconnect hoses. If fuel all the same scatters, he will be detained by a rag;

Fig. 203. A detachment of a vacuum hose of the inlet valve of secondary air





- Disconnect a vacuum hose (fig. 203, it is shown by an arrow) inlet valve of secondary air between a regulator of pressure of giving of fuel and the top part of an inlet collector;
- Disconnect the vacuum hose going to the amplifier of a brake drive;
- Turn away both back arms between the top part of an inlet collector and a head of the block of cylinders;
- Turn away valve EGR hose on the top part of an inlet collector;
- Turn away directing tube масломерного щупа from the bottom part of an inlet collector;
- Remove the top part of an inlet collector together with the case throttle заслонки (at installation pay attention to an arrangement of directing plugs) and at once закупорьте open inlet channels;
- Disconnect electric wires from atomizers, from the switch of pressure of oil and from the gauge of temperature of oil;
- Remove atomizers together with a distributive fuel highway;
- Remove clamps of atomizers and atomizers. If the atomizer sits very strong on the place under its case it is possible to substitute рожковый a wrench on 16 mm and with its help to squeeze out an atomizer
- Remove O-shaped sealing rings from both ends of an atomizer and at once them throw out.

Cause of defect
Elimination method

The cold engine is not started or started with great difficulty
1. The fused safety locks №15 and №18
1. To replace

2. The relay which are responsible for pressure is faulty
2. To check up on HUNDRED

3. The fuel pump (in the engine the insufficient quantity of fuel arrives) is faulty
3. The pump repair or replace on new (for repair the special key is required)

4. The regulator of pressure of fuel is faulty
4. Inspect a regulator of pressure upon HUNDRED

5. The gauge of temperature of a cooling liquid is faulty
5. Check up, by means of an ohmmeter, the temperature gauge

6. The drive throttle заслонки is faulty
6. Inspect on HUNDRED

7. It is faulty ЭБУ
7. Check on HUNDRED

8. Wires between the gauge of the Hall and ЭБУ are interrupted
8. Check up and repair

9. The engine soaks up air through not tight places of connections or the damaged hoses
9. Check up all connections of hoses located on the case of the air filter or leaders to it

The heated-up engine is not started or started with great difficulty
1. Негерметичен the vacuum pipeline conducting to a regulator of pressure of giving of fuel
1. Check up. Spend all specified checks

2. Негерметичны atomizers
2. Check up them on HUNDRED

The engine is started, and then again глохнет
1. The drive throttle заслонки is faulty
1. Inspect on HUNDRED

2. Негерметичен the vacuum pipeline conducting to a regulator of pressure of giving of fuel
2. Check up

3. The ljambda-probe is faulty
3. Inspect on HUNDRED

The engine strongly vibrates idling
1. The relay of supply by pressure or the gauge of temperature of a cooling liquid is faulty
1. Check up independently or on HUNDRED

The engine глохнет
1. The fuel filter is hammered
1. Establish the new filter

2. The fuel pump (in the engine the insufficient quantity of fuel arrives) is faulty
2. The pump repair or replace on new (for repair the special key is required)

3. Негерметичны atomizers
3. Check up them on HUNDRED

4. The drive throttle заслонки is faulty
4. Inspect on HUNDRED


The prevention
At removal of atomizers be careful not to damage tips of a socket and sprays. Atomizers do not understand.

The prevention
Hit of engine oil in an atomizer is not supposed.

Installation of atomizers spend in an order, the return to removal. Grease new O-shaped sealing rings with pure engine oil.