Mercedes M-Class W163

since 1997 of release

Repair and car operation



Mercedes W163
+ Mercedes-Benz Cars of a class M (W163)
+ Governing bodies and receptions of safe operation
+ Current leaving and service
- Engine
   Check of kompressionny pressure in cylinders
   Engine check by means of the vacuum gage
   Replacement of a belt of a drive of auxiliary units and elements of the mechanism of its tension
   + Petrol models
   - Diesel models
      Removal and engine installation
      Removal and installation of covers of a drive of GRM
      Replacement of a gas-distributing chain
      Removal and installation of components of a drive of GRM
      Installation of base provision of camshafts
      Verification of the base provision of a balancing shaft (only series 628 engines)
      Removal and installation of GRM components
      Removal and head installation (ok) cylinders
      Removal and installation of the electromotor of shutdown of inlet port (series 612 engine)
      Removal and installation of a final collector
      Replacement of a forward epiploon of a cranked shaft
      Removal and installation of a back face cover, replacement of a back epiploon of a cranked shaft
      Removal and installation of a damper krutilny fluctuations/pulley of a driving belt
      Removal and flywheel installation / driving disk
      Removal and installation of support of a suspension bracket of the power unit
      Service of system of greasing
+ Systems of cooling, heating and air conditioner
+ the Power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Avtomaticheckaya transmission
+ Transmission line
+ Brake and auxiliary systems
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


Removal and head installation (ok) cylinders

М612

Preparation for removal of a head of cylinders of the engine of a series 612

Preparation for removal of a head of cylinders of the engine of a series 612

Removal of a head of cylinders of the engine of a series 612


 PERFORMANCE ORDER

  1. The illustrative material on removal and installation of a head of cylinders of the engine of a series 612 is presented on illustrations which all references meeting in the text concern.
  2. Open a cowl and fix it in vertical situation.
  3. Disconnect a negative wire from the battery.
  4. Remove the bottom section of a noise isolation.
  5. Empty cooling system (see. Head of the Power supply system and production of the fulfilled gases).
  6. Remove panels of furnish of a cover of a head of cylinders (1 and 2).
  7. Remove an air purifier (see. Head of the Power supply system and production of the fulfilled gases).
  8. Disconnect hoses of an okhladitelny path from the thermostat.
  9. Disconnect an inlet sleeve (4/2) from a turbokompressor (110).
  10. Disconnect a vacuum hose (3) vacuum blocks (110/10) of a turbokompressor (110).
  11. Remove a broad tank of system of cooling (see. The head of System of cooling, heating and the air conditioner) and, without disconnecting hoses, shift it aside.
  12. Remove nozzles (Y76).
  13. Uncover heads of cylinders (6).
  14. Turning a cranked shaft in the normal direction, bring the engine into position VMT of the piston of the first cylinder, - labels on bodies of camshafts and covers of bearings should be combined (shooters).
  15. By means of the special adaptation block a gear wreath of a flywheel.
  16. Remove a natyazhitel of a chain (4) (see. Section Removal and installation of components of a drive of GRM).
  17. Remove a forward cover (7) heads of cylinders (see. Section Removal and installation of covers of a drive of GRM).
  18. Remove top directing to a chain (8) (see. Section Removal and installation of components of a drive of GRM).
  19. Remove camshafts (9 and 10) (see. Section Removal and installation of GRM components).
  20. Remove a bed of camshafts (11).
  21. Remove an intermediate asterisk (24).
  22. Disconnect the pressure head line (19/1) from TNVD (19).
  23. Remove the returnable line laid between TNVD and the fuel highway.
  24. Remove TNVD (19).
  25. Disunite contact sockets of electroconducting on a head of cylinders.
  26. Remove the main fuel filter (70).
  27. Remove an airdistributing sleeve (110/1).
  28. To Otboltita from a head of cylinders arms of directing tubes (22 and 23).
  29. Disconnect the primary catalytic converter (120/1) from a turbokompressor (110).
  30. Disconnect from a turbokompressor (11) air sleeve (110/6) and a maslovozvratny tube (110/4).
  31. Turn out bolts (14) fastenings of a head of cylinders to a cover of a drive of GRM.
  32. In stages release bolts (15) fastenings of a head.
  33. Turn out bolts (15) and check their condition.
  34. Carefully smooth out interfaced surfaces of a head and the block of cylinders and carving openings in the block.
  35. Installation is made upside-down, - new sealing laying (18) keeps within on a surface of the block interfaced to a head. Track correctness of installation of directing plugs (20).
  36. In summary start the engine and check it on existence of signs of development of leaks. Also make cleaning of memory of the module of onboard self-diagnostics (see. Head of System of electric equipment of the engine).

М628

Preparation for removal of the left head of cylinders of the engine of a series 628

1 — the Contact socket of electroconducting
2 — Maslovozvratnaya a turbokompressor tube

3 — the Basic arm of a turbokompressor

Preparation for removal of the left head of cylinders of the engine of a series 628

4 — Bearing pins directing to a chain

5 — Directing chains

Removal of the left head of cylinders of the engine of a series 628

5 — Directing chains
6 — Bolts

7 — Bolts of fastening of a head
8 — the Elevating rigging


 PERFORMANCE ORDER

  1. The illustrative material on removal and installation of heads of cylinders (on an example left) the engine of a series 628 is presented on illustrations which all references meeting in the text concern.
  2. Remove an EGR system cooler.
  3. Remove covers of a head of cylinders.
  4. Remove a natyazhitel of a chain (see. Section Removal and installation of components of a drive of GRM).

Right head

 PERFORMANCE ORDER

  1. Remove an inlet sleeve of a path of pressurization of air.
  2. Remove the bottom sleeve of a path of pressurization of air.
  3. Remove an intermediate asterisk of TNVD (see. Section Removal and installation of components of a drive of GRM).
  4. Remove a bed of camshafts (see. Section Removal and installation of GRM components).
  5. Release fixture and take away back the right three-functional catalytic converter (TWC).
  6. Disconnect electroconducting from the right turbokompressor (1).
  7. Disconnect from the right turbokompressor a maslovozvratny tube (2), - sealing elements of a tube are subject to replacement without fail.
  8. Remove a basic arm (3) right turbokompressor.

Left head

 PERFORMANCE ORDER

  1. Execute procedures of the previous order of performance adjusted for a binding of components to the head.
  2. Remove a casing of the oil filter.
  3. Mark the provision of a gas-distributing chain on an asterisk of a drive of camshafts.
  4. Remove a driving asterisk from a pin of a final camshaft.
  5. By means of a suitable ex-tractor take pins directing to a chain (4).
  6. Tie up directing (5) one to another.

Both heads

 PERFORMANCE ORDER

  1. Disconnect electroconducting from incandescence candles.
  2. Turn out bolts (6) fastenings of a head.
  3. In some stages weaken, then turn out bolts (7) fastenings of a head.
  4. Check a condition of bolts (7), in case of need make their replacement.
  5. Connect lifting chains (8) and by means of the winch remove a head from the block of cylinders.
  6. Carefully smooth out interfaced surfaces of a head and the block of cylinders and carving openings in the block.
  7. Installation is made upside-down, - new sealing laying (18) keeps within on a surface of the block interfaced to a head. Track correctness of installation of directing plugs (20).
  8. In summary start the engine and check it on existence of signs of development of leaks. Also make cleaning of memory of the module of onboard self-diagnostics (see. Head of System of electric equipment of the engine).