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
4.1. General information and preparatory operations
4.2. Check of kompressionny pressure
4.3. Engine check 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 cranked shaft
4.7.6. Replacement of an oil separator of PCV system
4.7.7. Removal and flywheel installation
4.7.8. Removal and installation of a damper of krutilny 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 maslookhladitel
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 engine installation
5. Systems of cooling 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. 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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4-7-2-snyatie-i-ustanovka-golovok-cilindrov.html

4.7.2. Removal and installation of heads of cylinders

 PERFORMANCE ORDER

  1. Disconnect a negative wire from the storage battery.
  2. Remove the top casing of the fan of system of cooling.
  3. Empty system of cooling of the engine (see. Head of Control and routine maintenance of the car).

If OZh is not merged completely from the block of cylinders, at removal of a head of cylinders it gets to the pallet of a case of the engine.

Left head of cylinders

 PERFORMANCE ORDER

  1. Remove the left camshafts and the inlet pipeline (see. Section Removal and installation of the inlet pipeline).
  1. Remove yokes (1) and hydrojacks (2) klapanny gaps. Make sure of smoothness of a course of rollers of yokes.

Yokes, the hydraulic pushers which were in operation, it is necessary to establish on former places therefore at removal stack them as appropriate.


  1. Liberate from clamps (1) water hose (2) and take him aside.
  1. Weaken a collar (1) and disconnect a hose (2).
  1. Weaken a collar (1) and disconnect soaking-up tube (2). Liberate the pipeline (3) of the holder, disconnect a hose (4), turn out a bolt (5) and remove soaking-up tube (2).
  1. Turn out bolts (1) of TNVD (3), take the pipeline (2) aside and remove TNVD.

At installation in case of need replace a sealing ring under TNVD cogwheel.


  1. Turn out both bolts on an air line and remove it.

At installation in case of need replace a sealing ring not the air line end.


  1. Turn out hollow bolts (1) and remove a pressure head oil pipeline (2).

At installation replace consolidations of bolts.


  1. Turn out a bolt of fastening of a head of cylinders directing in a forward part.

At installation use new fixture.


  1. Turn out bolts.

At installation clear interfaced surfaces and replace laying of flange connection.


  1. Turn out bolts (1), disconnect pressure head pipelines (2) and remove the fuel distributive highway (3).
  1. Separate sockets of candles of an incandescence. Disconnect a wire (1), lift and fix a hose (2) and burn down (3) electroconductings of the engine.
  1. Weaken collars (1 and 3) and disconnect a hose (4).

Do not lift the receiver EGR.


  1. Turn out three forward bolts on a head of cylinders, and then bolts of fastening of a head of cylinders in return sequence.

Bolts of fastening of heads of No. No. 7-10 cylinders and No. No. 1-6 differ in diameter (M10 and M12). The reuse of bolts of fastening of a head of cylinders is not admissible. For removal of a head of cylinders do not turn out completely a bolt No. 10.

  1. Remove a head of cylinders.

Glow plugs act over the bottom plane of a head of cylinders, do not damage them, and also do not scratch interfaced surfaces of a head.

  1. If necessary turn out glow plugs.
  2. Remove laying of a head of cylinders and clear interfaced surfaces and all deaf carving openings on an engine case of impellent oil and cooling liquid.

Pay attention to quantity of openings in laying of a head of the block of cylinders. Watch that the remains of sealing materials did not get to giving canals oil and OZh.


  1. If on the block of cylinders the works causing change of a ledge of the bottom of pistons were not carried out, it is necessary to use new laying of a head of the block with the same marking of thickness, as on old laying. Otherwise it is necessary to define anew repair thickness of sealing laying, having measured for this purpose a ledge of the bottom of all pistons concerning the plane of the block of cylinders. At a ledge from 0.92 to 1.03 mm use laying with 2 openings, and at a ledge more than 1.03 mm - with 3 openings.
  1. Fix bolts of fastening of a head of cylinders so that they did not act over an interfaced surface of a head of cylinders and carefully establish it.
  1. Insert all bolts of fastening of a head of cylinders and tighten them in the sequence specified an illustrations.

Bolts of fastening of heads of No. No. 7-10 cylinders and No. No. 1-6 differ in diameter (M10 and M12).

  1. Tighten three forward bolts on a head of cylinders.

Right head of cylinders

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


 PERFORMANCE ORDER

  1. Wring out a clamp (1), disconnect a fork (2) diagnostic sockets and put aside.
  1. Turn out bolts of fastening of a turbokompressor.

At installation clear interfaced surfaces and replace turbokompressor laying.

  1. Remove both right camshafts and the inlet pipeline (see. Section Removal and installation of the inlet pipeline).
  2. Remove yokes (1) and hydrojacks (2) klapanny gaps. Make sure of smoothness of a course of rollers of yokes.

Yokes, the hydraulic pushers which were in operation, it is necessary to establish on former places therefore at removal stack them as appropriate.


  1. Turn out three forward bolts on a head of cylinders and bolts of fastening of a head of cylinders in return sequence.

Bolts of fastening of heads of cylinders No. 7-10 and No. 1-6 differ in diameter. For removal of a head of cylinders do not turn out completely a bolt No. 10. The reuse of bolts is not admissible.


  1. Weaken collars (1 and 2) and remove a hose (3).
  1. Turn out a bolt of fastening of a head of cylinders directing in a forward part (see an illustration).

At installation use new fixture.

  1. Execute the actions described in paragraphs with 15 on 21.


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4.7.3. Removal and installation of the top section of the pallet of a case