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






Natyazhitel of a GRM drive chain

See also Section GRM Drive - the general information, service of components


Details of installation of a natyazhitel of a chain of the GRM drive

1 — the Stopper
5, 15 — Sealing rings
7 — the Finger
8 — Pruzhina
9 — the Spring ring
10 — the Persistent bolt
14 — the Case of a natyazhitel
18, 20 — Air ducts
19 — the Air filter
21 — the Air pump


Design of a natyazhitel of a chain of the GRM drive

1 — the Stopper
2, 11 — Balls
3, 12 — Press springs
4 — a ball Guide
5, 15 — Aluminium sealing rings
7 — the Finger
8 — the Persistent spring

9 — the Restrictive spring
10 — the Persistent bolt
13 — the Persistent detail
14 — the Case натяжитёля
16 — a GRM drive chain Cover
17 — the Oil channel

Removal

 PERFORMANCE ORDER

1. Install the piston of the first cylinder in situation 30 ° after VMT.
2. Weaken a stopper (1) approximately on one turn.
3. Turn off a natyazhitel assembled.
4. Remove a stopper (1) with a sealing ring (5). Turn off a persistent bolt (10) together with a restrictive spring (9) in the persistent direction. Wipe all elements.

Installation

 PERFORMANCE ORDER

1. Screw the case of a natyazhitel (14) with a new sealing ring (15) and tighten its moment 50 Nanometers.
2. Fix a sealing ring (15) by sealant in the case of a natyazhitel (14) so that it was centered. Tighten the case of a natyazhitel the moment of 80 Nanometers.

3. Insert a persistent bolt (10) into the case of a natyazhitel together with restrictive (9) both press (8) springs and a finger (7).
4. Screw a stopper (1) in the case of a natyazhitel (14) with a new sealing ring (5) and tighten its moment 40 Nanometers.




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