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
   - Diesel 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 628 engines)
      Removal and installation of the GRM components
      Removal and installation of a head(s) of cylinders
      Removal and installation of an electric motor of shutdown of inlet port (series 612 engine)
      Removal and installation of a final collector
      Replacement of a forward epiploon of a bent shaft
      Removal and installation of a back 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
+ 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 covers of the GRM drive

Forward cover

M612

Details of installation of a forward cover of a head of cylinders of the engine of a series 612


 PERFORMANCE ORDER

  1. Details of installation of a forward cover of a head of cylinders of the engine of a series 612 are shown on an illustration to which all references which are found in the text belong.
  2. Remove a head of cylinders (3) (see the Section Removal and installation of a head(s) of cylinders).
  3. Remove a natyazhitel of a chain (9) (see the Section Removal and installation of components of the GRM drive).
  4. Remove the preliminary fuel pump (13) (see the Head of the Power supply system and production of the fulfilled gases).
  5. Turn out screws of fastening of a forward cover of a head of cylinders (5).
  6. By means of the screw-driver raise a ratchet (7) of blocking of the top guide of a chain (8).

The guide will remain in a GRM drive case.

  1. Having pulled forward, remove a forward cover of a head of cylinders (5), - try not to drop the directing pins.
  2. Before installation carefully smooth out the interfaced surfaces of a forward cover and a head of cylinders.
  3. Apply sealant on the interfaced cover surface.
  4. Installation is made upside-down. Track that all fixture was tightened with the required effort.
  5. In conclusion start the engine and check it for existence of signs of development of leaks.

M628

Details of installation of a forward cover of a head of cylinders of the engine of a series 628


 PERFORMANCE ORDER

  1. Details of installation of a forward cover of a head of cylinders of the engine of a series 628 are shown on an illustration to which all references which are found in the text belong.
  2. Airdistributing sleeve.
  3. Release and take aside an inlet tube of a path of pressurization of air.
  4. Remove nozzles (Y76) of the right number of cylinders.
  5. Uncover (5) right heads of cylinders.
  6. Remove bypass a sleeve of a path of pressurization of air.
  7. Disconnect from the engine block (above the generator) a basic arm of an electrical wiring of candles of an incandescence.
  8. Remove the vacuum pump (1)
  9. Remove the fuel pump of high pressure (FPHP) (2).
  10. Turn out fixing screws and, having pulled forward, remove a forward cover (3).
  11. Before installation carefully smooth out the interfaced surfaces of a forward cover and a head of cylinders.
  12. Apply sealant on the interfaced cover surface.
  13. Installation is made upside-down.
  14. Track that all fixture was tightened with the required effort.
  15. In conclusion start the engine and check it for existence of signs of development of leaks.

GRM drive cover (only series 612 engines)

Details of installation of a cover of the GRM drive on series 612 engines

Details of installation of a cover of the GRM drive on series 612 engines

Details of installation of a cover of the GRM drive on series 612 engines


 PERFORMANCE ORDER

  1. Details of installation of a cover of the GRM drive on the engine of a series 612 are shown on illustrations to which all references which are found in the text belong.
  2. Open a cowl and record it in vertical position.
  3. Disconnect a negative wire from the battery.
  4. Remove the lower section of a noise isolation.
  5. Empty the cooling system (see the Head of the Power supply system and production of the fulfilled gases).
  6. Merge motive oil (see the Head of the Power supply system and production of the fulfilled gases).
  7. Remove panels of finishing of a cover of a head of cylinders (3 and 4).
  8. Disconnect hoses of a cooling path (30 and 31).
  9. Remove a sleeve of an air inlet (4/2).
  10. Remove a sleeve of a path of pressurization of air (110/6) assembled with the hose connected to it (9).
  11. Remove the electric fan of the cooling system (10).
  12. Remove nozzles (Y76) (see the Head of the Power supply system and production of the fulfilled gases).
  13. Uncover a head of cylinders (5).
  14. Having turned a bent shaft in the normal direction, bring the piston of the first cylinder into the provision of VMT, - tags of the camshaft and a cover of its bearing have to be combined.
  15. By means of special adaptation (03) block a gear wreath of a flywheel / a driving disk.
  16. Remove a natyazhitel of a chain (22) (see the Section Removal and installation of components of the GRM drive).
  17. Release a guide on an arm.
  18. Remove the thermostat (see the Head of the Cooling system, heating and the air conditioner).
  19. Remove a forward cover (7) of a head of cylinders (see above).
  20. Take off a belt of the drive of auxiliary units (see the Head Dvigatel).
  21. Disconnect an electrical wiring from the K/B (12) compressor.
  22. Otboltite the compressor (12) and, without disconnecting refrigerator lines, take him aside.
  23. Disconnect the lines of a cooling path brought to the liquid heat exchanger of the lubrication system (see the Section Service of the Lubrication System).
  24. Disconnect hoses (17 and 18) from the water pump (19).
  25. Remove the water pump (19) (see the Head of the Cooling system, heating and the air conditioner).
  26. Remove a sleeve (21) of a path of pressurization of air.
  27. Turn out bolts (24) fastenings of the pallet of a case from a GRM drive cover, only weaken other bolts of the pallet.
  28. Turn out bolts of M8 (25) of fastening of a cover of the GRM drive to a head of cylinders.
  29. Uncover the GRM drive.
  30. If the chain of the GRM drive is subject to replacement, remove a natyazhitel of a belt of the drive of auxiliary units.
  31. If the cover is replaced, remove liquid the lubrication system heat exchanger.
  32. Carefully smooth out the interfaced surfaces.
  33. Apply sealant on the interfaced cover surface.
  34. Installation is made upside-down, - do not forget to establish into place the directing pins.
  35. In conclusion check the engine for existence of signs of development of leak of working liquids (oil, fuel, cooling liquid, K/V coolant and so forth). Also make cleaning of memory of the module of onboard self-diagnostics (see the Head Sistemy of electric equipment of the engine).