Mercedes M-Class W163

since 1997 release

Repair and operation of the car



Mercedes W163
+ Mercedes-Benz cars of a class M (W163)
+ Governing bodies and methods of safe operation
+ Current leaving and service
- Engine
   Check of compression pressure in cylinders
   Check of the engine by means of the vacuum gage
   Replacement of a belt of the drive of auxiliary units and elements of the mechanism of its tension
   - Petrol models
      Removal and installation of the engine
      Removal and installation of covers of the GRM drive
      Replacement of a gas-distributing chain
      Removal and installation of components of the GRM drive
      Installation of basic position of camshafts
      Verification of the basic provision of a balancing shaft (only series 112 engines)
      Removal and installation of the GRM components
      Removal and installation of a head(s) of cylinders
      Removal and installation of the inlet pipeline
      Removal and installation of a final collector
      Removal and installation of a face cover, replacement of a back epiploon of a bent shaft
      Removal and installation of a damper of tortional fluctuations / pulley of a driving belt
      Removal and installation of a flywheel / driving disk
      Removal and installation of support of a suspension bracket of the power unit
      Service of the lubrication system
   + Diesel models
+ Cooling systems, heating and air conditioner
+ A power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Transmission line
+ Brake and auxiliary systems
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment



Removal and installation of components of the GRM drive

Details of installation of an asterisk of a bent shaft of the engine of a series 111

Details of installation of the directing chain on a head of cylinders of the engine of a series 111

M111

Asterisk of a bent shaft

 PERFORMANCE ORDER

  1. Details of installation of an asterisk of a bent shaft of the engine of a series 111 are shown on an illustration to which all references which are found in the text belong.
  2. Remove the case pallet (see the Section Service of the Lubrication System).
  3. Uncover the GRM drive (see the Section Removal and installation of covers of the GRM drive).
  4. Otboltite an asterisk (6) of the drive of the oil pump, or remove pump assembly (see the Section Service of the Lubrication System).
  5. Remove a chain of the drive of the oil pump (8).
  6. Remove a gas-distributing chain (see the Section Replacement of a Gas-distributing Chain), - for a chain skidyvaniye from an asterisk of a bent shaft (11) take aside a level of a natyazhitel.
  7. By means of a stripper (06) dismantle an asterisk of a bent shaft (11).
  8. Installation is made upside-down. In case of need the asterisk before landing to a pin of a shaft should be warmed, track also correctness of hit of segment splines (12) in a reception groove. Sending to a chain on a head of cylinders
  9. Details of installation of the directing chain on a head of cylinders of the engine of a series 111 are shown on an illustration to which all references which are found in the text belong.
  10. Remove a forward cover (23) heads of cylinders (see the Section Removal and installation of covers of the GRM drive).
  11. Having turned a bent shaft in the normal direction, bring the piston of the first cylinder into situation 20 ° after VMT.
  12. By means of the blocking pins (01) record inlet (75) and final (78) camshafts.
  13. Remove a natyazhitel of a chain (14) (see below).
  14. Otboltite also remove a guide of a chain (70).
  15. Installation is made upside-down.

The directing chains on a GRM drive cover

Details of installation of the directing chain on a series 111 engine GRM drive cover


 PERFORMANCE ORDER

  1. Details of installation of the directing chain on a cover of the GRM drive of the engine of a series 111 are shown on an illustration to which all references which are found in the text belong.
  2. Remove a head of cylinders (see the Section Removal and installation of a head(s) of cylinders).
  3. Uncover the GRM (65) drive (see the Section Removal and installation of covers of the GRM drive).

Need for dismantle of the pallet of a case is absent, - try not to damage sealing laying of the pallet.

  1. Remove a guide of a chain (6) from the bearing pin (8).
  2. Installation is made upside-down.

Natyazhitel of a chain

Details of installation of a natyazhitel of a gas-distributing chain of the engine of a series 111

Design of a natyazhitel of a gas-distributing chain of the engine of a series 111

1 — the Cap
2 — the Ball of the control valve of a returnable stream
3 — Pruzhina
4 — a ball Guide
5 — the Aluminium sealing element
7 — the Rod
8 — Pruzhina
9 — the Sprung clamp
10 — the Emphasis
11 — the Ball of the reducing valve
12 — Pruzhina
13 — the Emphasis (is pressed)

14 — the Case of a natyazhitel
15 — the Aluminium sealing element
16 — the Cover of the case of a natyazhitel
17 — the Head of cylinders
18 — the Bolt with a washer
19 — the Tension level
20 — Laying of a head of cylinders
21 — the Gas-distributing chain
22 — the Plastic frictional overlay of a level
And — the Channel of supply of oil
In — the Oil receiver of a natyazhitel


 PERFORMANCE ORDER

  1. Details of installation and design features of a natyazhitel of a gas-distributing chain of the engine of a series 111 are shown on illustrations to which all references which are found in the text belong.
  2. Uncover the air cleaner (see the Head of the Power supply system and production of the fulfilled gases).
  3. On the models equipped with system of pressurization of air remove the compressor.
  4. In order to avoid a chain zaskakivaniye at its removal for asterisks of a bent shaft turn a bent shaft in the normal direction and bring the piston of the first cylinder into situation 20 ° after VMT, - the cam of the drive of the inlet valve (26) which is looked through through an oil-filling mouth has to be developed by a working ledge up at an angle, - uncover (25).
  5. Wrap up pure rags the generator.
  6. Weaken a face cap (1) and remove assembly of a natyazhitel (14).
  7. Installation is made upside-down, - on forget to replace a sealing element (15).
  8. In conclusion start the engine and check assembly of a natyazhitel for existence of signs of development of leaks.

Tension level

Details of installation of a tension level on the series 111 engine


 PERFORMANCE ORDER

  1. Details of installation of a tension level on the engine of a series 111 are shown on an illustration to which all references which are found in the text belong.
  2. Remove a head of cylinders (see the Section Removal and installation of a head(s) of cylinders).
  3. Uncover the GRM (65) drive (see the Section Removal and installation of covers of the GRM drive).

Need for dismantle of the pallet of a case is absent, - try not to damage sealing laying of the pallet.

  1. Remove a tension level (19) from the bearing pin (17).
  2. Installation is made upside-down.

M112/113

The directing chains on a GRM drive cover

Details of installation of the engines of series 112 and 113 sending to a chain on a cover of the GRM drive

1 — the Directing chains
2 — the Bent shaft
3 — the Balancing shaft


 PERFORMANCE ORDER

  1. Details of installation sending to a gas-distributing chain on engines of series 112 and 113 are shown on an illustration to which all references which are found in the text belong.
  2. Remove panels of finishing of the power unit.
  3. In case of need remove protection of a case (see the Head Kuzov).
  4. On the models equipped with the engine 113.942 (ML 230), remove an airchipper.
  5. Merge motive oil (see the Head of the Power supply system and production of the fulfilled gases).
  6. Remove heads of cylinders (see the Section Removal and installation of a head(s) of cylinders).
  7. Remove the lower section of the pallet of a case (see the Section Service of the Lubrication System).
  8. Uncover the GRM drive (see the Section Removal and installation of covers of the GRM drive).
  9. At the same time removing from fixing bolts, dismantle the directing chains (1).
  10. Installation is made upside-down.

Natyazhitel of a chain

M112/113 (except M113.965/981)

Details of installation of a natyazhitel of a chain of engines of series 112 and 113 (except 113.965/981)


 PERFORMANCE ORDER

  1. Details of installation of a natyazhitel of a chain on engines of series 112 and 113 (except 113.965/981) are shown on an illustration to which all references which are found in the text belong.
  2. Remove assembly of the fan of the cooling system with the viscous coupling (1).
  3. Remove a casing of the fan (2).
  4. Take off a belt of the drive of auxiliary units (3).
  5. Remove the generator (4) (see the Head Sistemy of electric equipment of the engine).
  6. Remove a natyazhitel (6) from a cover of the GRM (5) drive.
  7. Installation is made upside-down, - do not forget to replace a sealing element.

M113.965/981

Details of installation of a natyazhitel of a chain of engines 113.965/981


 PERFORMANCE ORDER

  1. Details of installation of a natyazhitel of a chain on engines 113.965/981 are shown on an illustration to which all references which are found in the text belong.
  2. Remove ventilatory assembly (2 and 1).
  3. Remove the generator (G2) (see the Head Sistemy of electric equipment of the engine).
  4. Remove a natyazhitel (6) from a cover of the GRM (5) drive.
  5. Installation is made upside-down, - do not forget to replace a sealing element (7).