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
- Systems of cooling, heating
   Specifications
   - System of cooling of the engine
      Replacement of cooling liquid - general comments
      Removal and replacement of hoses of system of cooling
      Thermostat check
      Removal and thermostat installation
      Removal and installation of a radiator of system of cooling - installation details
      Removal and installation of the water pump
   + Systems of ventilation, heating and air conditioning
+ 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



Removal and installation of the water pump

Removal

Petrol models with M119.97/98 series engines

Details of installation of the water pump on models with M119.97/98 series engines

1 — the Eye
2 — the Cover
3 — the Pump of system of cooling
2a, 3a — Laying
4, 5, 6 — Branch pipes


 PERFORMANCE ORDER

1. Disconnect branch pipes (4), (5) and (6).
2. Unscrew a cover (2) with an eye (1). Replace laying (2a).
3. Unscrew bolts of fastening of the pump (3).
4. Wipe sealing surfaces. Replace laying (3a).
5. Remove the pump (3).

Petrol models with M120.97/98 series engines

Design and details of installation of the water pump

Details of installation of the water pump on petrol models with M120.980/982 series engines

4, 15 — Branch pipes of system of cooling
21 — the fan Coupling
22, 24, 27 — Bolts
25 — the Pulley of the pump of system of cooling
26 — the Pump of system of cooling
28 — Laying
29 — the Belt of a drive of the generator



Design of the water pump established on engines 120

1 — the Casing
2 — a fastening Bolt
3 — the Bolt with a washer
4 — Krylchatka
5 — Vyazkostnaya the coupling
6 — the Sealing ring
7 — a coupling Pulley
8 — the Flange
9 — Bearing knot
10 — the Drainage tube
11 — a pump Shaft

12 — the Sealing ring of an epiploon
13 — Krylchatka of the pump
14 — the Epiploon
15 — the Holder of bearings
16 — the Case
17 — the Pulley of a drive of the pump
18 — a disk of a reflector of liquid
And — From the thermostat
In — From a radiator
With — To an engine case
and — 7.85 mm


 PERFORMANCE ORDER

1. Weaken bolts of fastening of a pulley of the coupling of the fan (21) and a pulley of the pump of system of cooling (23).
2. Remove a belt of a drive of the generator.
3. Unscrew a pulley of the coupling of the fan (21) and a pulley of the pump of system of cooling (23).
4. Remove directing roller (25) from a forward right cover.
5. Disconnect a branch pipe of system of cooling from the pump of system of cooling from below.
6. Unscrew bolts of fastening of the pump (26) and remove it.

   1 — Bolts М8х70
   2 — Bolts М8х85
   3 — Bolts М8х95
   4 — Bolts М8х85 with a clamp of conducting of the VMT L1/2 sensor

Diesel models with Om603.971 series engines

Details of installation water on diesel models with Om603.971 series engines


 PERFORMANCE ORDER

1. Empty cooling system (see. Head Routine maintenance).
2. Remove a radiator (see. The section Removal and installation of a radiator of system of cooling - installation details).
3. Remove the fan coupling.
4. Disconnect a negative wire from the battery.
5. Weaken bolts (2) fastenings of an asterisk of the pump.
6. Remove a belt of a drive of the generator.
7. Unscrew a pump (5) pulley.
8. Disconnect branch pipes (3) and (4) from the pump.
9. Remove the generator (15).
10. Remove a generator (16) support.
11. Remove the pump (11) case together with the pump.
12. Replace laying (14). Wipe sealing surfaces.
13. Unscrew the pump (6).
14. Replace laying (10).

Diesel models with Om606.961 series engines

Details of installation water on diesel models with Om606.961 series engines

03 — the Clamp
5 — the Pulley of the pump of system of cooling
6 — the Pump of system of cooling
9 — Directing plugs

10 — Laying
11 — the Case of the pump of system of cooling
17 — the VMT Sensor
110, 110a — Tubes of supply of the compressed air


 PERFORMANCE ORDER

1. Merge cooling liquid.
2. Remove the fan coupling.
3. Weaken a bolt of fastening of a pulley (5) pumps of system of cooling.
4. Remove a belt of a drive of the generator.
5. Remove a pulley (5) pumps of system of cooling.
6. Establish the piston of the first cylinder in situation VMT.
7. Unscrew an arm of fastening of the VMT (17) sensor.
8. Check installation of the VMT sensor and, if necessary, adjust it.
9. Unscrew bolts of fastening of the pump of system of cooling (6) to the pump (11) case.

Installation

Petrol models with series 119.97/98 engines

Installation is made as it should be, the return to removal.

Order of a tightening of bolts of fastening of the pump of system of cooling on petrol models with M119.97/98 series engines

Petrol models with M120.97/98 series engines

 PERFORMANCE ORDER

1. Wipe sealing surfaces.
2. Replace pump laying.
3. Further installation is made as it should be, the return to removal. Check cooling system on absence of leaks.

Diesel models with Om603.971 series engines

Installation is carried out as it should be, the return to removal.

Diesel models with Om606.961 series engines

Installation is carried out as it should be, the return to removal. Replace laying (10) and wipe sealing surfaces.

Details of installation water on diesel models with Om606.961 series engines

03 — the Clamp
5 — the Pulley of the pump of system of cooling
6 — the Pump of system of cooling
9 — Directing plugs

10 — Laying
11 — the Case of the pump of system of cooling
17 — the VMT Sensor
110, 110a — Tubes of supply of the compressed air