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)
      Air purifier - 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 a retsirkulyatsiya of the fulfilled gases - installation details
      Pump of supply of air
      Removal and installation of the top forward covers
      Heads of the block of cylinders
      Removal and installation of a cover of a chain of a drive of GRM
      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
      Camshaft regulator
      Removal and installation of camshafts
      Check of phases of a gazoraspredeleniye
      Check and adjustment of provision of camshafts
      Replacement of directing plugs of valves
      Measurement of diameters of cylinders
      Removal and installation of pistons
      Check of rods
      Removal and installation 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
      The oil pump - a design and installation details
   + 6-cylinder diesel engines (OM603.971)
   + 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



Heads of the block of cylinders

Removal

Details of installation of the left head of the block of cylinders

11 — the Bolt
12 — the Arm
13 — the Cover of the bearing of a camshaft
16 — the Head of the block of cylinders
18 — Laying
19 — the Ventilating tube
22 — the Exhaust pipe


Details of installation of the left head of the block of cylinders

10 — the Branch pipe of system of cooling
18 — Laying


Details of installation of the right head of the block of cylinders

1, 5 — Tubes of supply of air
6 — the Directing pipe of the index of level of oil
7 — the Index of level of AT oil
8 — the Tube of ventilation of a case
9 — the Branch pipe of system of cooling


Details of installation of the right head of the block of cylinders

11 — the Bolt
12 — the Arm
13 — the Cover of the bearing of a camshaft
14 — the Head of the block of cylinders
17 — laying


Removal of heads of the block of cylinders with camshafts and final collectors probably only after complete cooling of the engine!

 PERFORMANCE ORDER

1. Establish the piston of the first cylinder in situation 30 ° after VMT. In this situation camshafts can be turned without impact of valves and pistons.
2. Mark the mutual provision of asterisks of camshafts concerning a chain of a drive of GRM.
3. On the left head of the block of cylinders: lift the receiver (5) ventilations of a case.
4. On the left head of the block of cylinders remove a finger (1) directing lever by means of a stripper and a carving insert.
5. Unscrew the filter of the pump of a podmeshivaniye of air in an exhaust and remove it.
6. Unscrew tubes of supply of air from the pump of a podmeshivaniye of air in an exhaust. On the right head of the block of cylinders one bolt is on a head, one bolt on an arm of the engine and one bolt on the pallet of a case of the engine. On the left head of the block of cylinders: one bolt - on a head, one - on the block of cylinders below a final collector and one - on the left arm of the engine.
7. Unscrew directing pipe of the index of level of oil. On the right head of the block of cylinders unscrew directing pipe (7) щупа measurements of level of ATF from the block of cylinders and transmission.
8. On the right head of the block of cylinders unscrew also a tube of ventilation of a case (8) from a head of the block of cylinders (shooter).
9. Unscrew a final collector in a back part of the block of cylinders.
10. Merge cooling liquid from the block of cylinders. For this purpose unscrew jams (shooter) with consolidations. Moment of a tightening of 30 Nanometers.
11. Operating as it should be, the return shown on an illustration, weaken bolts of fastening of a head of the block of cylinders as it should be, the return to a tightening order, since the 14th.
12. Establish an elevating eye on a head of the block of cylinders. Unscrew a cover of the 1st bearing of a final camshaft on the right head of the block of cylinders and establish an arm with directing plugs (18a). Unscrew a cover of the 2nd bearing of a final camshaft on the left head of the block of cylinders and establish an arm with directing plugs (18a). Moment of a tightening of 21 Nanometer.
13. Attach the lift to an arm and a back elevating point of the engine, lift and remove a head of the block of cylinders.

Do not damage tension and directing levers!

14. Check a contact surface of a head of the block of cylinders.

Installation

 PERFORMANCE ORDER

1. Establish laying. Pay attention to an arrangement of directing fingers (1) and directing plugs (2) for an arrangement of a head of the block of cylinders.
2. Check bolts of fastening of a head of the block of cylinders.
3. Grease a carving part of bolts and contact surfaces of heads of the block of cylinders with impellent oil and insert them.
4. Tighten fastening bolts in strictly certain order.
5. Further installation is made as it should be, the return to removal. Check installation of camshafts. Check liquid level in AT and add it if it is necessary.