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






Replacement of a chain of the GRM drive

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


Replacement of a chain of the GRM drive

A — Rassoyedineny chains of the GRM drive
In — Zaklepyvany chains of the GRM drive by means of a connecting link
6 — Thickness of an intermediate plate 7a = 1.6 mm, thickness of an external plate 8b = 1.2 mm


 PERFORMANCE ORDER

1. Remove the top covers (30) and (30a).
2. Remove a natyazhitel of a chain of the GRM drive.
3. Remove spark plugs.
4. Disunite a GRM drive chain.
5. Cover GRM cover with fabric.

Rassoyedineny chains

 PERFORMANCE ORDER

1. Screw a persistent spindle (02) together with a persistent finger (02a) in adaptation (03).
2. Install adaptation (03) on a chain.
3. Roll a persistent spindle (02) until the persistent finger (02a) does not rest against a chain finger.
4. Screw a persistent spindle (02) and a vypressuyta a chain finger.
5. Turn off a persistent spindle (02) and remove adaptation (03). Take a finger from adaptation (03).

Assembly of a chain

 PERFORMANCE ORDER

1. Attach a new chain (5) to old (4) by means of the connecting link consisting of the lock (6), a plate (7), an intermediate plate and a cover (8).

2. Turn a bent shaft in the direction of rotation of the engine by means of a key. Hold a chain (5) with a hand on an asterisk of the right final camshaft (9) and take the lower end of a chain (4) outside from a GRM drive chain cover.
3. Continue to rotate a bent shaft of the engine until there is an opportunity to connect both ends of a new chain a connecting link.
4. Disconnect an old chain and remove a connecting link.
5. Connect a new chain a connecting link and an intermediate plate (thickness of 1.6 mm).
6. Install a persistent detail by wit (F1) in the rivet tool and screw a bolt (28).
7. Install a persistent detail by wit (D5) in the rivet tool.
8. Insert an external plate (11) (thickness of 1.2 mm) into a persistent detail (D5).
9. Establish cores (shooters) on fingers of a connecting link. Screw a spindle (06) to full resistance. At a vvorachivaniye be convinced that fingers of a connecting link correctly entered an opening in a plate.
10. Establish a persistent detail by wit (D5).
11. Install the rivet tool in the middle of a plate.
12. Tighten a spindle (06). Moment of tightening of 30-35 Nanometers.

Fingers of a connecting link zaklepyvatsya separately.

13. Check quality of a zaklepyvaniye, in case of need repeat process.