Mercedes-Benz G-class (W463) since 1999 of release
1. Introduction
2. Governing bodies and operation receptions
3. Current leaving and service
4. Engine
5. Systems of cooling, heating, ventilation and air conditioning
5.1. System of cooling of the engine
5.1.1. Antifreeze - means of protection from freezing
5.1.2. Replacement of cooling liquid - general comments
5.1.3. Check of a cover of system of cooling, replacement of hoses of system of cooling
5.1.4. Thermostat check
5.1.5. Removal and thermostat installation
5.1.6. Removal and installation of a radiator of system of cooling
5.1.7. Removal and installation of a broad tank
5.1.8. Removal and installation of assembly of the fan of system of cooling
5.1.9. Removal and installation of the water pump
5.1.10. Removal and installation of a low-temperature cooler (М612)
5.1.11. Removal and installation of a heater of the block of the engine (at the corresponding complete set)
5.1.12. Removal and installation of an additional heater of STH (at the corresponding complete set)
5.1.13. Removal and installation of the circulating pump of an additional heater of STH (at the corresponding complete set)
5.2. Systems of ventilation, heating and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Automatic transmission
9. Transmission line
10. Brake and auxiliary systems
11. Suspension bracket and steering
12. Body
13. Onboard electric equipment
14. Schemes of electric connections


 







5-1-9-snyatie-i-ustanovka-vodyanogo-nasosa.html

5.1.9. Removal and installation of the water pump

Petrol models

Details of installation of the water pump on petrol models

1 — Assembly of a krylchatka with the vyazkostny coupling
2 — the Belt of a drive of auxiliary units
3 — the Casing of ventilyatorny assembly
4, 5 — Hoses of an okhladitelny path
6 — the Hose of an okhladitelny path connected to a liquid cooler to the heat exchanger of the oil filter

7 — the Pulley of a drive of the water pump
8 — Pump assembly
9 — Sealing laying
10 — the Vibrating damper (on considered models it is not used)
11 — Bolts

 PERFORMANCE ORDER

  1. Remove the furnish panel an engine/air purifier.
  2. Remove ventilyatorny assembly (see. Section Removal and installation of assembly of the fan of system of cooling).
  3. Merge cooling liquid from a radiator (see. Head Current leaving and service).
  4. Remove a belt of a drive of auxiliary units (2) (see. Head Engine).
  5. Remove a natyazhitel of a belt of a drive of auxiliary units (see. Head Engine).
  6. Remove hoses of an okhladitelny path (4 and 5), - check a condition of fixing collars. In case of need prepare replacement.
  7. Disconnect a hose (6) from the liquid heat exchanger of system of greasing of the engine, - in case of need prepare a replaceable collar.
  8. Remove a pulley of a drive of the water pump (7).
  9. Turn out fixing bolts and remove pump assembly (8).
  10. Installation is made upside-down, - do not forget to replace sealing laying (9).
  11. In summary check cooling system on existence of signs of development of leaks.

Diesel models

М612

Details of installation of the water pump on diesel models with the M612 engine

1, 2 — Panels of furnish of a cover of a head of cylinders
3 — the Belt of a drive of auxiliary units
4, 5 — Hoses of an okhladitelny path

6 — the Cap
7 — the Directing roller
8 — the Water pump

 PERFORMANCE ORDER

  1. Open a cowl.
  2. Remove protection of a case.
  3. Empty cooling system (see. Head Current leaving and service).
  4. Remove finishing panels (1 and 2).
  5. Remove ventilyatorny assembly (see. Section Removal and installation of assembly of the fan of system of cooling).
  6. Establish the screen of protection of the radiator/condenser of central air of air (the equipped suitable basic arm metal or plastic plate in the size of 400x680x1 mm).
  7. Remove a belt of a drive of auxiliary units (3).
  8. Disconnect from pump assembly (8) hoses of an okhladitelny path (4 and 5), - in case of need prepare replaceable fixing collars.
  9. Having hooked, remove a cap (6) directing a roller (7).
  10. Remove directing roller (7) under which one of bolts of fastening of pump assembly is located.
  11. Turn out fixing bolts and remove assembly of the water pump (8).
  12. Carefully smooth out interfaced surfaces and prepare new sealing laying.
  13. Installation is made upside-down.
  14. In summary check cooling system on existence of signs of development of leaks.

М628

Details of installation of the water pump on diesel models with the M628 engine

1 — Ventilyatornaya assembly
2 — the Cooler of air of pressurization
3 — the Belt of a drive of auxiliary units
4 — the Directing roller
4а — the Washer
4b — the Bolt
4с — the Cap

5, 6 — Hoses of an okhladitelny path
7 — the Water pump
7а — the Screw
7b — Sealing laying
7с — the Bolt
8 — the Damper krutilny fluctuations/pulley of a driving belt

 PERFORMANCE ORDER

  1. To Poddomkratta the car also establish it on props.
  2. Remove protection of a case.
  3. Empty cooling system (see. Head Current leaving and service).
  4. Remove an air purifier (see. Head of the Power supply system and production of the fulfilled gases).
  5. Remove ventilyatorny assembly (1) (see. Section Removal and installation of assembly of the fan of system of cooling).
  6. Establish the screen of protection of the radiator/condenser of central air of air (the equipped suitable basic arm metal or plastic plate in the size of 400x680x1 mm).
  7. Remove a cooler of air of pressurization (see. Head of the Power supply system and production of the fulfilled gases).
  8. Remove a belt of a drive of auxiliary units (3) (see. Head Engine).
  9. Remove directing roller (4).
  10. Disconnect from the water pump (7) hoses of an okhladitelny path (5 and 6), - in case of need prepare replaceable fixing collars.
  11. Turn out fixing screws and remove pump assembly.

For the purpose of ensuring access to a fixing bolt (7с) through an aperture in a pulley (8) turn as appropriate a cranked shaft in the direction of normal rotation.

  1. Installation is made upside-down, - do not forget to replace sealing laying of the pump, cхема of an arrangement of fixture of the water pump on diesel models with the M628 engine is shown on сопр. illustrations.

    1 — М6x25
    2 — М6x45
    3 — М6x80 (a bolt of a tension roller)
  1. In summary check cooling system on existence of signs of development of leaks.


«previous page
5.1.8. Removal and installation of assembly of the fan of system of cooling
following page»
5.1.10. Removal and installation of a low-temperature cooler (М612)