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



Camshaft

Details of installation of a camshaft
70 — the Head of the block of cylinders
80, 81, 82 — Covers of bearings of a camshaft
84, 132, 190 — Bolts
84a, 189, 237 — Washers
125 — the Cover of a head of the block of cylinders
188 — a camshaft Asterisk
224 — Natyazhitel of a chain of a drive of GRM
400 — the Oil pump (on models with a self-regulating suspension bracket)

The code of a camshaft is beaten out on a flange near VM label

Removal

 PERFORMANCE ORDER

1. On engines with a turbokompressor lift the receiver supply of the compressed air
2. Uncover heads of the block of cylinders.
3. Establish the piston of the first cylinder in situation VMT.

Do not rotate a cranked shaft of the engine for a bolt of an asterisk of a camshaft and aside, return to the rotation direction.

4. Remove a natyazhitel of a chain of a drive of GRM.
5. On models with a self-regulating suspension bracket remove the oil pump.
6. Combine labels on an asterisk of a camshaft and a chain of a drive of GRM.
7. Unscrew a bolt of fastening of an asterisk of a camshaft, having held a camshaft by means of a metal core.
8. Remove an asterisk of a camshaft and allow a chain to whistle.
9. Unscrew bolts of fastening of covers (1), (5) and (6) bearings of a camshaft. Weaken bolts of fastening of covers (2), (3), (4) and (7) serially, on one turn everyone.
10. Remove a camshaft.
11. Remove lock laying (a regulator of an axial gap) and check its condition.
12. Remove hydrojacks. Check their condition (visually) and if it is necessary, replace them.

Installation

 PERFORMANCE ORDER

1. Insert lock laying (a regulator of an axial gap) into a head of the block of cylinders.
2. Grease a camshaft with impellent oil and establish it in a head of the block of cylinders so that the label of VMT was located above.
3. Establish covers of bearings of a camshaft and tighten bolts of their fastening. At first tighten covers (2), (3), (4) and (7) serially, on one turn everyone. Then tighten bolts of fastening of covers (1), (3) and (6) bearings of a camshaft.
4. Establish a camshaft asterisk, having combined a label on it with a label on a chain of a drive of GRM.
5. Establish a natyazhitel of a chain of a drive of GRM.
6. Establish the oil pump.
7. Establish the piston of the first cylinder in situation VMT and check combination of labels.
8. Establish a cover of a head of the block of cylinders. Get the engine and check absence of leaks.