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)
   - 6-cylinder diesel engines (OM603.971)
      Air purifier - installation details
      Replacement of a belt of a drive of the generator
      Removal and installation of a natyazhitel of a belt of a drive of the generator
      Final collector - installation details
      Cover of a chain of a drive of GRM
      Camshaft
      Removal and installation of a head of the block of cylinders
      Verification of the control provision of a camshaft
      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 - installation details
      Removal and installation of pistons
      Check of a condition and replacement of rods
      Measurement of diameters of cylinders
      Removal and installation of sleeves of cylinders
      Check of a condition of a cranked shaft
      Removal and installation of an asterisk 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
      Replacement of a chain of a drive of the oil pump
      Removal and installation of the oil pump
      Removal and installation of the case of the oil filter
   + 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



Check of a condition and replacement of rods

Check of rods

1 — the Rod
2 — Shatunnaya a cover
3 — the Plug
4 — Directing grooves
5 — Shatunny a bolt
6 — Balancing грузики
7 — the Identification field (models with a turbo-supercharging)
8 — Grooves for installation of loose leaves
9 — the Oil channel (models with a turbo-supercharging)

10 — the Oil channel (models without a turbo-supercharging)
11 — the Identification field (models without a turbo-supercharging)
b — Width of the top head of a rod
B — Width of the bottom head of a rod
d — Internal diameter of the plug of the top head of a rod
d1 — External diameter of the plug of the top head of a rod
D1 — Diameter of an opening of the bottom head of a rod
L — distance between centers openings of heads of a rod


 PERFORMANCE ORDER

1. Remove pistons (see. Section Removal and installation of pistons).
2. Check rods on decolouration, a distortion of openings and dredging. At detection of these damages it is necessary to replace rods.
3. Check bolts of fastening of shatunny covers.
4. Measure diameter of an opening of a rod. If diameter more maximum admissible, grind off a contact surface of a cover no more than on 0.02 mm.
5. Check internal diameter of the plug of a rod.
6. Installation is carried out as it should be, the return to removal. The sizes of rods are specified in Specifications.