Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car



Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
- Engine
   Check of a compression in engine cylinders
   Check of the engine by means of the vacuum gage
   Belt of the 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)
      Covers of heads of the block of cylinders - installation details
      Removal and installation of the inlet pipeline
      Removal and installation of a final collector
      Removal and installation of heads of the block of cylinders
      Removal and installation of covers of a chain of the GRM drive
      Replacement of a chain of the GRM drive
      Check of phases of gas distribution
      The GRM drive - the general information, service of components
      Removal and installation of the regulator of phases of gas distribution
      Removal and installation of camshafts
      Check and adjustment of control position of camshafts
      Removal and installation of valves
      Replacement of the directing plugs of valves
      Replacement of rings of saddles of valves
      Removal and installation of pistons
      Designation and sizes of pistons
      Check of a condition of rods
      Check of a condition of a bent shaft
   + 12-cylinder petrol engines (M120.980/982)
   + 6-cylinder diesel engines (OM603.971)
   + 6-cylinder diesel engines (OM606.961)
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
+ Automatic transmission
+ Coupling
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment






Removal and installation of the inlet pipeline

Engines of the M119.97 series

Removal

Details of installation of the inlet pipeline (M119.97 engines)


 PERFORMANCE ORDER

1. Remove the air filter.
2. Merge cooling liquid.
3. Disconnect conducting sockets around the inlet pipeline or on it.
4. Unhook a guide for high-voltage wires.
5. Disconnect vacuum tubes from the inlet pipeline.
6. Reduce fuel pressure by means of the special valve on the fuel distributor.
7. Turn off forcing (17/3) and returnable (17/2) fuel-supply lines.
8. Disconnect a vacuum tube from the vacuum amplifier of brakes.
9. Remove a guide (27).
10. Disconnect a cable (30) from a control lever a butterfly valve (9).
11. Remove a cable (30) from the lever (10). His Vypressuyte together with a plastic clamp (28).
12. Disconnect a cable (98).
13. Disconnect a branch pipe of the cooling system (33) in a forward part of the inlet pipeline.
14. Disconnect a cooling system branch pipe in a back part of the inlet pipeline.
15. Turn off bolts (14), (15) and (16).
16. Remove the inlet pipeline (19).
17. Replace laying (18).

Installation

Installation is made as it should be, the return to removal. The order of tightening of bolts of fastening of the inlet pipeline is shown on an illustration.

Engines of the M119.98 series

Removal

Details of installation of the inlet pipeline (M119.98 engines)


 PERFORMANCE ORDER

1. Remove the fuel distributive highway together with injectors.
2. Remove the measuring instrument of an air stream.
3. Merge cooling liquid.
4. Disconnect the conducting socket from the case of a butterfly valve (M16/1x1).
5. Disconnect all connections of an electrical wiring on the inlet pipeline.
6. Disconnect a vacuum tube from the test valve.
7. Disconnect a branch pipe of the cooling system (33/1) in a back part of the inlet pipeline.
8. Disconnect a branch pipe of the cooling system (33) in a forward part of the inlet pipeline.
9. Turn off fastening bolts (14), (15) and (16) inlet pipelines.
10. Remove the inlet pipeline (19).
11. Replace laying (18).

Installation

Installation is made as it should be, the return to removal. The order of tightening of bolts of fastening of a head of the block of cylinders is shown on an illustration.





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