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)
      Air purifier - installation details
      Covers of heads of the block of cylinders
      Removal and installation of the inlet pipeline
      Removal and installation of a final collector
      The valve of a retsirkulyatsiya of the fulfilled gases - installation details
      Pump of supply of air
      Removal and installation of the top forward covers
      Heads of the block of cylinders
      Removal and installation of a cover of a chain of a drive of GRM
      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
      Camshaft regulator
      Removal and installation of camshafts
      Check of phases of a gazoraspredeleniye
      Check and adjustment of provision of camshafts
      Replacement of directing plugs of valves
      Measurement of diameters of cylinders
      Removal and installation of pistons
      Check of rods
      Removal and installation 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
      The oil pump - a design and installation details
   + 6-cylinder diesel engines (OM603.971)
   + 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



Removal and installation of a cover of a chain of a drive of GRM

Removal

Details of installation of a cover of a chain of a drive of GRM


 PERFORMANCE ORDER

1. Remove forward covers.
2. Remove the pump of system of cooling (2).
3. Remove the air filter with a measuring instrument of an air stream.
4. Remove the air pump (9).
5. Remove the generator (13).
6. Establish the piston of the first cylinder in situation 30 ° after VMT.
7. Mark an arrangement of a chain of a drive of GRM concerning asterisks of camshafts.
8. Remove a pulley of a cranked shaft with a damper of krutilny fluctuations.

Bolts of fastening of a pulley of the steering pump (are shown by shooters)

10 — the Pulley of the steering pump
12 — Pump assembly
14 — the Clamp
21 — the Driving belt


Bolts of fastening of the steering pump (arrow) and contact sockets of electroconducting of VMT sensors (L/1) and (L1/2)

7 — the Cover of a chain of a drive of GRM
12 — Pump assembly


 PERFORMANCE ORDER

1. Unscrew a pulley (10) helmsmen of the pump (12) and remove it, establish a belt of a drive of the generator (21) over a pulley (10), establish a clamp (14) and weaken fixing bolts.
2. Turn out bolts of fastening of the steering pump (12) and fix the pump with the attached tubes sideways. On engines with the VMT sensor unscrew sensors (L1/1) and (L1/2) from a cover of a chain of a drive of GRM.

Location of the filter of the air pump (4); bolts (15) and (16) fastenings of a basic arm (3) air pumps/generators

4 — the Pump
15, 16 — Bolts
3 — Fastenings of a basic arm


 PERFORMANCE ORDER

1. Unscrew the filter of the air pump (4) and remove it.
2. Unscrew bolts (15) and (16) and remove an arm (3) air pumps/generators.
3. Turn on a natyazhitel of a chain of a drive of GRM.
4. Unscrew bolts (17), (18) and (19) and uncover chains of a drive of GRM.

Installation

8 — Sealing rings
20 — the Directing plug


 PERFORMANCE ORDER

1. Wipe and grease with hermetic sealing surfaces (shooter) of the oil highway of a cover of a chain of a drive of GRM (7).
2. Wipe sealing surfaces of a cover of a chain of a drive of GRM (7) and the block of cylinders. Grease sealing surfaces of the oil highway of a cover of a chain of a drive of GRM (7) with hermetic 002 989 73 20 10.
3. Replace sealing rings (8).
4. Establish a cover of a chain of a drive of GRM (7).
5. Tighten bolts of fastening (17) and (18) the first.
6. Check combination of color labels (arrow) on a chain of a drive of GRM and on asterisks of camshafts.
7. Establish a natyazhitel of a chain of a drive of GRM.
8. Further installation is carried out as it should be, the return to removal.