Repair and service Mercedes Benz M - the Class W163 - Removal and installation of GRM components//since 1997 of release / mehanicm.ru

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 installation of GRM components

М612

Camshafts

Details of installation of camshafts of the engine of a series 612

3 — the Blocking core
5 — the Gear wheel of an inlet camshaft
6 — the Asterisk of a drive of camshafts
10 — Natyazhitel of a chain
11 — the Sealing element

12 — the Cover of a head of cylinders
And — the Opening in a gear wheel of an inlet camshaft
In — Adjusting labels
Y76 — the Nozzle

Details of installation of camshafts of the engine of a series 612

1 — the Final camshaft
2 — the Inlet camshaft
6 — the Asterisk of a drive of camshafts

7 — the Directing pin
8 — the Cover of the bearing of a camshaft
9 — Bolts of fastening of an asterisk

Details of installation of camshafts on engines of a series 612 are shown on illustrations which all references meeting in the text concern.

Removal

 PERFORMANCE ORDER

  1. Remove panels of furnish of a cover of a head of cylinders.
  2. Remove nozzles (Y76).
  3. Uncover heads of cylinders (12).
  4. 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).
  5. Block an inlet camshaft (2), having passed a special core (3) through a cover of the bearing and having entered it into an opening (And) a driving gear wheel (5).
  6. Remove a natyazhitel of a chain (10) (see. Section Removal and installation of components of a drive of GRM).
  7. Remove a forward cover of a head of cylinders (see. Section Removal and installation of covers of a drive of GRM).
  8. Remove top directing to a chain (see. Section Removal and installation of components of a drive of GRM).
  9. Mark the provision of a chain on an asterisk of a drive of camshafts (6).
  10. To Otboltita an asterisk (6) also remove it from a pin of a final camshaft (1).
  11. Previously having marked, remove covers of bearings of camshafts (8).
  12. Carefully take camshafts (1 and 2) from a head of cylinders.

Installation

 PERFORMANCE ORDER

  1. Establish camshafts on the regular places in a head of cylinders, - track observance of requirements of base installation (see. Section Installation of base provision of camshafts).
  2. Bring the engine into situation 30 ° before VMT of the piston of the first cylinder.
  3. Being verified with the marking put in the course of dismantle, establish to the place of a cover of bearings (8).
  4. Block an inlet camshaft (2) core (3).
  5. Plant a driving asterisk (6) on a pin of a final camshaft (1).
  6. Establish a natyazhitel of a chain (10).
  7. Make sure of observance of requirements of base installation of camshafts (see. Section Installation of base provision of camshafts).
  8. Establish a cover of a head of cylinders (12).
  9. Clean and establish nozzles (Y76) (see. Head of the Power supply system and production of the fulfilled gases).
  10. Establish panels of furnish of a cover of a head of cylinders.
  11. Start the engine and check it on existence of signs of development of leaks.
  12. In summary make cleaning of memory of the module of onboard self-diagnostics (see. Head of System of electric equipment of the engine).

Face covers of camshafts

Details of installation of face covers of camshafts of diesel engines of series 612 and 628


 PERFORMANCE ORDER

  1. Details of installation of face covers of camshafts are shown on an illustration which all references meeting in the text concern.
  2. Remove camshafts (1 and 2) (see above).
  3. Having hooked a suitable screw-driver, take a cover (3) of a face part of a back pin of a camshaft, - try not to damage walls of a landing nest.
  4. Clean and degrease a nest under cover installation.
  5. By means of a suitable opravka plant in a shaft pin a new face cover on demanded depth.

Excessively deep landing of a cover can bring to blocking of supply of oil!

  1. Establish camshafts in a head of cylinders (see above).

М628

Camshafts

Details of installation of camshafts of the engine of a series 628

1 — the Air purifier
2 — the Cover of a head of cylinders
3 — Pozitsioner of a butterfly valve with the top air line
4 — the Vacuum pump

5 — the Casing of ventilyatorny assembly
B2/6 — the Left MAF sensor
B2/7 — the Right MAF sensor
Y76 — the Nozzle

Details of installation of camshafts of the engine of a series 628 (the right head of cylinders)

6 — the Inlet camshaft
7 — the Blocking core
8 — the Gear wheel of an inlet camshaft
9 — the Bolt
10 — the Driving asterisk

11 — the Gear wheel of a final camshaft
12 — the Final camshaft
13 — the Cover of the bearing of a camshaft
And — the Opening
In — Marking


Details of installation of camshafts of the engine of a series 628 (the left head of cylinders)

Details of installation of camshafts on engines of a series 628 are shown on illustrations which all references meeting in the text concern.

Removal

 PERFORMANCE ORDER

  1. Disconnect the air distributor.
  2. Disconnect an inlet sleeve of a path of pressurization of air from a head of cylinders and a turbokompressor and wring out it aside.
  3. Uncover nozzles.
  4. Remove nozzles (Y76).
  5. Uncover (2) corresponding heads of cylinders.
  6. Remove bypass a sleeve of a path of pressurization of air.
  7. Remove the vacuum pump (4).
  8. Having turned 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 their covers should be combined.
  9. Block an inlet camshaft (6), having passed a core (7) through a cover of the first bearing and having filled it in an opening (And) in a driving gear wheel (8).
  10. At work on the right head, operating through a window in a forward cover, plant the holder on an asterisk of a drive of camshafts (10). On the left head the special holder fastens on a head of cylinders, is put on a driving asterisk (10) and fixed by bolts (14) covers of a head of cylinders.
  11. Separate a driving asterisk (10) from a pin of a final camshaft (12).
  12. Remove covers (13) bearings of camshafts (6 and 12) and take last of a head of cylinders, - an asterisk leave fixed in the holder.

Installation

 PERFORMANCE ORDER

  1. Lay camshafts on the regular places in a head of cylinders, - track observance of requirements of base installation (see. Section Installation of base provision of camshafts).
  2. Level camshafts on persistent bearings (shooter).
  3. By means of a core (7) block an inlet camshaft (6).
  4. Attach an asterisk (10) to a pin of a final shaft (12).
  5. Make sure of observance of requirements of base installation (see. Section Removal and installation of components of a drive of GRM).
  6. Further installation is made as it should be, the return to an order of dismantle of components.
  7. Start the engine and check it on existence of signs of development of leaks.
  8. In summary make cleaning of memory of the module of onboard self-diagnostics (see. Head of System of electric equipment of the engine).

Face covers of camshafts

 PERFORMANCE ORDER

  1. Details of installation of face covers of camshafts are shown on сопр. illustrations which all references meeting in the text concern.
  2. Remove camshafts (1 and 2) (see above).
  3. Having hooked a suitable screw-driver, take a cover (3) of a face part of a back pin of a camshaft, - try not to damage walls of a landing nest.
  4. Clean and degrease a nest under cover installation.
  5. By means of a suitable opravka plant in a shaft pin a new face cover on demanded depth.

Excessively deep landing of a cover can bring to blocking of supply of oil!

  1. Establish camshafts in a head of cylinders (see above).

Bed of camshafts

Details of installation of a bed of camshafts of the engine of a series 628

1 — the Cover of a head of cylinders
3а — the Inlet camshaft
3b — the Final camshaft
4 — Covers of bearings of camshafts
5 — Jacks of klapanny gaps
7 — the Gear wheel of an inlet camshaft

8 — the Gear wheel of a final camshaft
9 — the Asterisk of a drive of camshafts
10 — the Bed of camshafts
In — Adjusting labels
Y76 — Nozzles

Details of installation of a bed of camshafts of the engine of a series 628

2 — the Casing of ventilyatorny assembly


 PERFORMANCE ORDER

  1. Details of installation of a bed of camshafts of the engine of a series 628 are shown on illustrations which all references meeting in the text concern.
  2. Remove the air distributor.
  3. Remove camshafts (3а and 3b) (see above).
  4. Fix in the landing nests the pushers (5) valves equipped with hydrojacks.

Alternatively pushers can be taken from a bed of shaft, however it is not necessary to use a magnet for this purpose, - magnetization of pushers is fraught with accumulation on them metal sawdust!

  1. Take a bed of camshafts (10).
  2. Installation is made upside-down.
  3. Start the engine and check it on existence of signs of development of leaks.
  4. In summary make cleaning of memory of the module of onboard self-diagnostics (see. Head of System of electric equipment of the engine).