Mercedes S-Class W-140

1991-1999 of release

Repair and car operation



Mercedes S-Class
+ Mercedes-Benz Cars of a class S (W-140)
+ Operation manual
+ Routine maintenance
- Engine
   Compression check in engine cylinders
   Engine check by means of the vacuum gage
   Belt of a streaming drive of auxiliary units
   + 6-cylinder petrol engines (M104.944 and M104.990/994)
   + 8-cylinder petrol engines (M119.970/981 and M119.971/981)
   + 12-cylinder petrol engines (M120.980/982)
   - 6-cylinder diesel engines (OM603.971)
      Air purifier - installation details
      Replacement of a belt of a drive of the generator
      Removal and installation of a natyazhitel of a belt of a drive of the generator
      Final collector - installation details
      Cover of a chain of a drive of GRM
      Camshaft
      Removal and installation of a head of the block of cylinders
      Verification of the control provision of a camshaft
      Replacement of a chain of a drive of GRM
      GRM drive - the general information, service of components
      Natyazhitel of a chain of a drive of GRM - installation details
      Removal and installation of pistons
      Check of a condition and replacement of rods
      Measurement of diameters of cylinders
      Removal and installation of sleeves of cylinders
      Check of a condition of a cranked shaft
      Removal and installation of an asterisk of a cranked shaft
      Removal and installation of the pallet of a case of the engine
      The sensor switch of level of oil - installation details
      Replacement of a chain of a drive of the oil pump
      Removal and installation of the oil pump
      Removal and installation of the case of the oil filter
   + 6-cylinder diesel engines (OM606.961)
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ gear shifting Box
+ Avtomaticheckaya transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



56822268



6-cylinder diesel engines (OM603.971)

Removal

Removal and engine installation

1 — the Forcing pump
2 — the Inlet pipe
3, 7 — Decorative panels
4 — an air purifier Cover
5 — the Air inlet pipe
6 — engine Conducting
9 — the Oil radiator
10 — the Pump of the amplifier of a steering
11 — the Dual pump
12 — the conditioner Compressor
13 — the Belt of a drive of the generator
14 — the Fan
15 — the fan Coupling
16 — the Radiator
120 — the Battery

 PERFORMANCE ORDER

1. Remove the bottom protective guard of the engine.
2. Disconnect release system.
3. Disconnect a negative wire from the battery (120).
4. Disconnect an air inlet pipe (5).
5. Uncover an air purifier (4).
6. Remove decorative panels (3) and (7).
7. Disconnect a branch pipe (2) from a turbokompressor.
8. Unscrew AT tubes from clamps.
9. Disconnect a longitudinal rack and the bridge.
10. Disconnect a cowl cable.
11. Remove a radiator (16).
12. Weaken branch pipes of system of cooling between the engine and a body and disconnect them.
13. Remove the fan (14).
14. Remove the fan (15) coupling.
15. Remove a belt of a drive of the generator (13).
16. Remove the conditioner (12) compressor.
17. Disconnect electroconducting between the engine and a body.
18. Disconnect conducting sockets from sensors of pressure and oil level.
19. Disconnect starter electroconducting.
20. Remove engine conducting.
21. Remove liquid from the tank of the pump (10) of the amplifier of a steering.
22. Disconnect forcing pump (1) or the dual pump (11) and branch pipes between the engine and a body.
23. Unscrew an oil radiator (9).

Removal and engine installation

17 — a transmission Radiator
18 — the Sensor of provision of coupling
19 — a speedometer Shaft
20 — the gear shifting Lever
21 — Draught of gear shifting
22 — the Heat-shielding guard
23 — the Arm
24 — the engine Shock-absorber
25 — the Restrictive arm of the engine

492 — the Driveshaft
495 — the Intermediate bearing of the driveshaft
500 — the Nut
L2 — the Inductive sensor of speed
L3 — the Sensor of speed
S16/1 — the Switch of blocking of a starter
Y31/1y1 — АТ


 PERFORMANCE ORDER

1. Disconnect the pipeline of an otdatchik of provision of coupling (18).
2. Unscrew a shaft of a speedometer (19) and the inductive sensor of a speedometer (L2).
3. Unscrew the sensor of speed (L3).
4. Unscrew an arm (23).
5. Disconnect a heat-shielding guard (22).
6. Unscrew the driveshaft (492).
7. Disconnect the intermediate bearing (495) of the driveshaft.
8. Weaken a nut (500) intermediate bearings.


Removal and engine installation

26 — the Back support of the engine
28 — the Forward support of the engine
50 — the Cross-piece


Design of a back support of a suspension bracket of the power unit (bottom view)

1 — the Support
2 — the Cross-piece
3 — an engine Arm
6 — Bolt М10x105

7 — Bolt М8x15
9 — Bolt М8x25
10 — Bolt М10x25
11 — Transmission


Design of a back support of a suspension bracket of the power unit (side view)

1 — the Support
2 — the Cross-piece
3 — the Arm
6 — Bolt М10x105

7 — Bolt М8x15
8 — Bolt М8x32
9 — Bolt М8x25


At installation of a back support track correctness of its arrangement


 PERFORMANCE ORDER

1. Unscrew a cross-piece (50).
2. Attach the lift to the engine.
3. Unscrew a back basic arm of the engine (26). The design of a back support is shown on сопр. illustrations.
4. Unscrew bolts of fastening of forward support of the engine (28) from below.
5. Lift the engine by means of the lift.

Installation

Installation is carried out as it should be, the return to removal.