BMW 7_ая the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and operation receptions
3. Settings and routine maintenance of the car
4. Engine
5. Systems of cooling of the engine, heating, ventilation and air conditioning
5.1. System of cooling of the engine
5.1.1. General information and precautionary measures
5.1.2. Removal and installation of a casing of the fan
5.1.3. Removal and installation of a radiator of system of cooling
5.1.4. Removal and installation of a broad tank
5.1.5. Removal and installation of the additional fan assembled with a casing
5.1.6. Removal and installation of the water pump
5.1.7. Removal and installation of the coupling of a drive of the fan
5.1.8. Removal and thermostat installation
5.1.9. Removal and installation of a collector of system of cooling
5.2. Systems of heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Kardanny and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Electric equipment schemes




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5-1-6-snyatie-i-ustanovka-vodyanogo-nasosa.html

5.1.6. Removal and installation of the water pump

Models with the M60 engine

 PERFORMANCE ORDER

  1. Lower OZh (see. The section Replacement of cooling liquid of Head of Control and routine maintenance of the car).
  2. Remove a damper of krutilny fluctuations (see. Head Engine).
  3. If necessary, disconnect tubes of supply of additional air (see. Head of the Power supply system and production of the fulfilled gases).
  1. Turn out bolts of fastening and remove a pulley.
  1. Remove a branch pipe of system of cooling between a broad tank and a water pomp.
  2. Disconnect a branch pipe of system of cooling from a cover of the case of the thermostat, uncover cases of the thermostat and the thermostat (see. Section Removal and thermostat installation).
  1. Turn out bolts and remove the water pump.
  1. At installation check correctness of an arrangement of aligning plugs. Clear condensed surfaces, replace laying.
  2. In summary remove air from system of cooling and check its tightness (see. Head of Control and routine maintenance of the car).

Models with the M67 engine

 PERFORMANCE ORDER

  1. Remove the bottom protective casings of facing of the engine and a transmission.
  2. Remove the top cover of the engine and a fan casing (see. Section Removal and installation of a casing of the fan).
  3. Remove a damper of krutilny fluctuations (see. Head Engine).
  1. Disconnect a vacuum hose (1), separate the socket (2) managing directors of valves, unclench a collar (3) and disconnect the socket (4) from a dual thermoswitch.
  1. Turn out bolts (1) and take the block (2) managing directors of valves aside.
  1. Wring out clamps of water hoses (1 and 2), disconnect them and put aside.
Water hose
  1. Turn out bolts of fastening of the water pump.
Bolts of fastening of the water pump.
  1. Carefully remove the water pump in the direction specified by an arrow.
  1. Turn out bolts (1) and rearrange the thermostat (2) on the new water pump.

At installation replace a sealing ring of the thermostat.


  1. Disconnect a tube (1) system of cooling and rearrange a dual temperature-sensitive element (2) on the new water pump.

At installation replace sealing rings in the case of the pump and on a temperature-sensitive element.


  1. Installation is made upside-down. In order to avoid damage of new consolidations carefully pull the water pump over a uvula (1). Pay attention to the provision of a collar (2).
  1. Pay attention to different length of bolts of fastening of the water pump.
  1. In conclusion of installation fill system of cooling and pump over it (see. Head of Control and routine maintenance of the car).

Models with the M73 engine

 PERFORMANCE ORDER

  1. On the party of cylinders 1-6 remove the one-pass valve of system of decrease in toxicity of OG (see. Head of the Power supply system and production of the fulfilled gases).
  2. Remove thermofilters on the left side of a beam of the forward bridge.
  3. Turn out a stopper for plum of cooling liquid on the left side of the block of cylinders.
  4. Lower OZh (see. Head of Control and routine maintenance of the car).
  5. Remove a broad tank (see. Section Removal and installation of a broad tank).
  6. Remove a fan casing (see. Section Removal and installation of a casing of the fan).
  7. Remove a belt of a drive of the To/in compressor (see. Head Engine).
  1. Turn out a bolt, disconnect OZh branch pipe from the water pump and remove a branch pipe.
  1. Weaken a collar and take out a sleeve.
  1. Unclench a bracket (1) and remove a hose of a supply of OZh to a broad tank of a radiator.
  1. Separate the socket of electroconducting of the sensor of temperature of OZh.
  1. Remove a krylchatka of the fan.
  2. Turn out bolts and remove a pulley of a belt of a drive of the pump OZh (see an illustration).
  3. Remove a damper of krutilny fluctuations (see. Head Engine).
  1. Unclench a bracket (1) fastening and take out a hose for pumping, weaken a collar of fastening of a hose on the water pump.
  1. Turn out fastening bolts (see an illustration).
  1. Screw three bolts in specially intended carving openings and evenly wring out the water pump from the engine.
  1. Installation is made upside-down. Replace sealing rings.



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5.1.7. Removal and installation of the coupling of a drive of the fan