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)
      Cover of a head of the block of cylinders - installation details
      Removal and installation of the inlet pipeline with the resonator (except the engine 104.990)
      Final collector (except the engine M 104.990) - installation details
      Removal and installation of a head of the block of cylinders
      Removal and installation of a cover of a chain of the GRM drive
      The GRM drive - the general information, service of components
      Asterisk of a bent shaft - an installation detail
      Removal and installation of the regulator of the camshaft
      Removal and installation of camshafts
      Replacement of the directing plugs of valves
      Replacement of saddles of valves
      Removal and installation of pistons
      Replacement of piston rings
      Check of a condition of rods
      Check of a condition of a bent shaft
      Service of the block of cylinders
      Removal and installation of the pallet of a case of the engine
      The oil pump - installation details
      The oil level sensor switch - installation details, test data
   + 8-cylinder petrol engines (M119.970/981 and M119.971/981)
   + 12-cylinder petrol engines (M120.980/982)
   + 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

Removal and installation of a cover of a chain of the GRM drive

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


16 — the Nut 93, 101, 213, 217 — Arms 94 — the Air pump 96 — a chain Cover GRM drive 96a — Fingers	100 — the VMT Sensor 210 — a fan coupling Pulley 273 — a cooling system pump Pulley 284 — the Pulley of the pump of the amplifier of steering 326 — the Generator

Removal

Bolts of fastening of pulleys of the drive of auxiliary units


210 — a fan drive coupling Pulley 273 — the Pulley of the drive of the water pump 284 — the Pulley of the drive of the steering pump

PERFORMANCE ORDER

1. Disconnect a negative wire from the battery. 2. Remove the air filter. 3. Turn off the lower protective guard of the engine. 4. Remove the fan coupling. 5. Weaken bolts of fastening of pulleys. 6. Take off a generator drive belt. 7. Turn off bolts of fastening of pulleys (shooter) and remove pulleys of the coupling of the fan (210), pump of the cooling system (273) and pump of the amplifier of steering (284). 8. Remove a pulley of a bent shaft of the engine. 9. Open a cooling system radiator cover. 10. Mark the provision of asterisks of camshafts concerning a GRM drive chain.
11. Weaken and turn off bolts (3) and (4). Remove an arm (213). Turn off a bolt (1) of fastening of an arm (213) to the combined arm. Grease with sealant 002 989 45 20 forward and back openings (shooter) of an arm (213).
12. Unscrew the air supply pump from an arm.
13. Turn off bolts (214) and (214a) and remove an arm of the fan (217). Turn off a nut (99). Remove the BMT (100) sensor together with conducting and fix it sideways.
14. Disconnect wires from the generator. Turn off bolts and remove the generator together with an arm. 15. Turn off bolts of fastening of a cover of a chain of the GRM drive to the pallet. 16. Uncover a GRM drive chain together with a VMT sensor arm 17. Wipe the sealing surfaces of the block of cylinders and a cover of a chain of the GRM drive.

Installation

PERFORMANCE ORDER

Installation is made as it should be, the return to removal. The cover of a chain of the GRM drive is established on two fingers of long 6 mm. Do not damage laying of the pallet. First of all, tighten bolts of fastening of a cover of a chain of the GRM drive to the pallet.