п»ї Removal and installation of the thermostat. BMW the 7th E38 series (from 1994 to 2002 release)
 
BMW 7_aya the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and methods of operation
3. Settings and routine maintenance of the car
4. Engine
5. Cooling systems of the engine, heating, ventilation and air conditioning
5.1. Engine cooling system
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 the cooling system
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 the drive of the fan
5.1.8. Removal and installation of the thermostat
5.1.9. Removal and installation of a collector of the cooling system
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. Cardan and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Schemes of electric equipment



5-1-8-snyatie-i-ustanovka-termostata.html

5.1.8. Removal and installation of the thermostat

Models with the M57 engine

If the established hoses of nadduvochny air damp and with lubricant traces, it can lead to a turbocompressor exit out of operation. Hoses have to be dry and without lubricant traces.

The thermostat is built in in the case and is replaced only assembled.


 PERFORMANCE ORDER

  1. Take off belts of the drive of auxiliary units (see the Head Dvigatel).
  2. Lower cooling liquid (see the Head Nastroyki and routine maintenance of the car).
  3. Cover the generator to prevent hit on it of oil, fuel and OZh.
  4. Remove the top cover of the engine.
  1. Unclench a collar (1) of fastening of a hose of nadduvochny air. Disconnect a hose of nadduvochny air.

Hoses have to be dry and without lubricant traces. Turn out a bolt (2).


  1. Turn out bolts and remove the formed hose in the direction specified by an arrow.

At installation grease the interfaced surfaces with a thin layer of vaseline and establish new sealing rings.


  1. Weaken a collar (1) of fastening of the pipeline of the EGR system, turn out a bolt (2), then bolts (3) and press the thermofilter in the direction specified by an arrow. Remove the EGR system pipeline.
  1. Remove clamps (1 and 2) and disconnect a water hose (3). Turn out bolts (4) fastenings of the case of the thermostat and remove it.
  1. Installation is made upside-down. Use new laying of the case of the thermostat.

Models with the M60 engine

 PERFORMANCE ORDER

  1. Remove protection of a case of the engine.
  2. Lower cooling liquid (see the Head Nastroyki and routine maintenance of the car).
  3. Remove the top part of the case of the air cleaner together with the MAF sensor.
  4. Disconnect a branch pipe of the cooling system and uncover the thermostat case.
  5. Installation is made upside-down. Use new laying of the case of the thermostat.

Models with the M67 engine

 PERFORMANCE ORDER

  1. Lower cooling liquid (see the Head Nastroyki and routine maintenance of the car).
  2. Remove the top cover of the engine.
  3. Remove a fan casing (see the Section Removal and installation of a casing of the fan).
  1. Weaken a collar (1) and disconnect a water hose (2). Release a clamp (3), disconnect a water hose (4) and put it aside. Disconnect a vacuum hose (5).
  1. Turn out bolts (1) and remove the thermostat (2) assembled with the case.
  1. Installation is made upside-down. Use a new sealing ring of the case of the thermostat.

Models with the M73 engine

 PERFORMANCE ORDER

  1. Lower cooling liquid (see the Head Nastroyki and routine maintenance of the car).
  2. Remove a krylchatka of the fan assembled with the fan drive coupling (see the Section Removal and installation of the coupling of the drive of the fan).
  3. On the party of cylinders 1-6 remove the one-pass valve of system of decrease in toxicity of OG (see the Head of the Power supply system and production of the fulfilled gases).
  1. Turn out bolts of fastening of the case of the thermostat and remove it. Remove the thermostat.

At installation clear the interfaced surfaces, replace sealing laying. Pay attention to a bracket (1) of fastening of a fuel-supply line of high pressure and to the soothing plug (2) of a driving belt.


  1. Installation is made upside-down. The thermostat it is necessary to arrange so that the opening (1) was above. Replace a sealing ring (2).


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5.1.7. Removal and installation of the coupling of the drive of the fan
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5.1.9. Removal and installation of a collector of the cooling system




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