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
4.1. General information and preparatory operations
4.2. Check of compression pressure
4.3. Check of the engine by means of the vacuum gage
4.4. Petrol M60/1 and M60/2 engines
4.5. M62 engine
4.6. Diesel M57 engine
4.7. Diesel M67 engine
4.7.1. Removal and installation of a cover of a head of cylinders
4.7.2. Removal and installation of heads of cylinders
4.7.3. Removal and installation of the top section of the pallet of a case
4.7.4. Removal and installation of the pallet of a case
4.7.5. Replacement of epiploons of a bent shaft
4.7.6. Replacement of an oil separator of the PCV system
4.7.7. Removal and installation of a flywheel
4.7.8. Removal and installation of a damper of tortional fluctuations
4.7.9. Removal and installation of driving belts and their natyazhitel
4.7.10. Removal and installation of the oil pump
4.7.11. Removal and installation of oil coolers
4.7.12. Removal and installation of the inlet pipeline
4.7.13. Removal and installation of final collectors
4.7.14. Removal and installation of the vacuum pump
4.7.15. Removal and installation of the engine
5. Cooling systems of the engine, 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



4-7-12-snyatie-i-ustanovka-vpusknogo-truboprovoda.html

4.7.12. Removal and installation of the inlet pipeline

After removal of the inlet pipeline it is necessary to close at once inlet channels in a head of cylinders.

If the established hoses of naduvochny air are not fat-free also damp, it can lead to failure of a turbocompressor.


 PERFORMANCE ORDER

  1. Disconnect a negative wire from the rechargeable battery.
  2. Remove the top cover of the engine.
  1. Unclench collars (1) and remove right (2) and the left (3) pressure head sleeves of naduvochny air.

At installation have collars on former places.


  1. Disconnect vacuum hoses (1), cut a collar (2) and disconnect the socket (3) from the operating valves.
  1. Turn out bolts.
  1. Disconnect a vacuum hose (1) (black/red) and take aside the block (2) converters of pressure.
  1. Shift a clamp (1) forward and investigate connection (2).
  1. Turn out bolts (1) and take aside the vacuum pipeline (2).
  1. Turn out bolts (1) and weaken collars (2) EGR valves.

At installation have collars on former places.


Collar of the left EGR valve
  1. Separate the socket.
  1. Cut collars (1) and disconnect the bringing and returnable fuel hoses (2).

Collect the following fuel.


  1. Turn out a bolt (1) and remove the holder (2).
  1. Release a fuel-supply line (1) from holders (2).
  1. Take aside and fix the bringing and returnable fuel hoses.
  1. Turn out bolts of fastening of the inlet pipeline and remove it then at once close inlet channels in order to avoid hit of dirt in them.
  1. Clear the interfaced surfaces of the being removed components, establish new laying.
  2. Installation is made upside-down.


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4.7.11. Removal and installation of oil coolers
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4.7.13. Removal and installation of final collectors