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)
   - 12-cylinder petrol engines (M120.980/982)
      The air cleaner - 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 recirculation of the fulfilled gases - installation details
      Air supply pump
      Removal and installation of the top forward covers
      Heads of the block of cylinders
      Removal and installation of a cover of a chain of the GRM drive
      Replacement of a chain of the GRM drive
      The GRM drive - the general information, service of components
      Natyazhitel of a GRM drive chain
      Camshaft regulator
      Removal and installation of camshafts
      Check of phases of gas distribution
      Check and adjustment of position of camshafts
      Replacement of the directing plugs of valves
      Measurement of diameters of cylinders
      Removal and installation of pistons
      Check of rods
      Removal and installation of a bent shaft
      Removal and installation of the pallet of a case of the engine
      The oil level sensor switch - installation details
      The oil pump - a design and details of installation
   + 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

Inlet pipeline of M120.980 engines

Removal

Details of installation of the inlet pipeline of M120.980 engines (the arrow showed a lock uvula of a cover of the distributor)

6 — the Control lever throttle
gate
10 — the Arm
14, 15, 16 — Bolts
17 — Blocking plugs
17/2 — the Returnable fuel-supply line
17/3 — the Forcing fuel-supply line
18 — Laying

18/1 — Uplotniteli
19 — the Inlet pipeline
19/1 — the Intermediate flange
20 — a distributor Cover
27 — the Guide
28 — the Plastic clip
30, 98 — Cables of management


 PERFORMANCE ORDER

1. Remove the air filter.
2. Remove the electronic drive of management of a butterfly valve together with the case of a butterfly valve.
3. Remove a sleeve with wires over the inlet pipeline.
4. Uncover (20) distributors. By means of the screw-driver unhook a uvula.
5. Disconnect all sockets of conducting passing fashion the inlet pipeline and remove all electric components attached to the inlet pipeline.
6. Disconnect vacuum tubes from the components fixed on the inlet pipeline.
7. Disconnect a cable (30) from the lever of a butterfly valve (6).
8. Squeeze a plastic clip (28) and remove an arm (10) together with a cable (30).
9. Disconnect a cable of management (98).
10. Dump pressure in the fuel distributive highway by means of the special valve.
11. Disconnect forcing (17/3) and returnable (17/2) fuel-supply lines.
12. Turn off bolts (14).
13. Disconnect vacuum tubes on both sides of the inlet pipeline.
14. Disconnect tubes of recirculation of the fulfilled gases from the inlet pipeline.
15. Remove an intaking air duct.
16. Turn off bolts (15).
17. Lift the inlet pipeline (19) and remove it.
18. Remove an intermediate flange (19/1).
19. Replace laying (18). Laying has to be placed on blocking plugs.

Installation

Installation is made as it should be, the return to removal. Adjust management of a butterfly valve. Check and adjust idling turns.

Inlet pipeline of M120.982 engines

Removal

Details of installation of the inlet pipeline of M120.982 engines (the arrow showed a lock uvula of a cover of the distributor)

14, 15, 16 — Bolts
17 — Blocking plugs
17/2 — the Returnable fuel-supply line
17/3 — the Forcing fuel-supply line

18 — Laying
18/1 — Uplotniteli
19 — the Inlet pipeline
19/1 — the Intermediate flange
20 — a distributor Cover


 PERFORMANCE ORDER

1. Remove the air filter.
2. Remove the electronic drive of management of a butterfly valve together with the case of a butterfly valve.
3. Uncover wires over the inlet pipeline.
4. Uncover (20) distributors. By means of the screw-driver unhook a uvula.
5. Disconnect all sockets of conducting passing over the inlet pipeline and remove all electric components attached to the inlet pipeline.
6. Dump pressure in the fuel distributive highway by means of the special valve.
7. Disconnect forcing (17/3) and returnable (17/2) fuel-supply lines.
8. Turn off bolts (14).
9. Remove an intaking air duct.
10. Turn off bolts (15).
11. Turn off a bolt (19/10) of fastening of an arm (19/11).
12. Disconnect the tank of the pump of the amplifier of the helmsman management and fix it sideways.
13. Lift the inlet pipeline (19) and remove it.
14. Remove an intermediate flange (19/1).
15. Replace laying (18). Laying has to be placed on blocking plugs.

Installation

Installation is made as it should be, skim milk to removal. Adjust management of a butterfly valve. Check and adjust idling turns.

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