BMW 3 series E30

Since 1983-1994 of release

Repair and car operation



BMW E30
+ 1. The maintenance instruction
+ 2. Maintenance service
- 3. The engine
   - 3.1.2. Specifications
      3.1.3. Kinds of the repair work which is carried out without dismantle of the engine
      3.1.4. An order of installation of the piston of 1st cylinder in ВМТ a compression step
      3.1.5. A cover of a head of cylinders
      3.1.6. A soaking up collector
      3.1.7. A final collector
      3.1.8. Covers of a chain of a drive of a cam-shaft (engine M10)
      3.1.9. A chain and asterisks (engine M10)
      3.1.10. Covers of a gear belt (engines M20 and М40)
      3.1.11. A gear belt and cam-shaft asterisks (engines M20 and М40)
      3.1.12. Forward epiploons
      3.1.13. A head of cylinders
      3.1.14. The pallet
      3.1.15. The oil pump
      3.1.16. A flywheel (a leading disk)
      3.1.17. A back epiploon коленвала
      3.1.18. Engine mount details
   + 3.2. Dismantle and engine major repairs
   + 3.3. An engine electric equipment
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. An exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. A running gear
+ 12. A body
+ 13. An electric equipment
+ 14. A good advice





3.1.5. A cover of a head of cylinders
THE GENERAL DATA

Nuts of fastening of a cover of a head of cylinders and a ventilating hose

 

Order of a tightening of nuts of a cover of a head of cylinders 4-cylinder (above) and 6-cylinder (in the bottom of) engines


Removal and installation

PERFORMANCE ORDER
1. Remove the air filter.
2. Disconnect from a cover of a head of cylinders a ventilating hose.
3. On engine M20 remove a rack of a soaking up collector and an arm of gauges (or the valve of stabilisation of turns of idling), preliminary having disconnected sockets.

4. Turn away a nut of fastening of a cover. Disconnect the holder of high-voltage wires, or remove a casing of wires from hairpins (in drawing on the right – the 4-cylinder engine, in drawing at the left – the 6-cylinder engine).
5. Uncover heads of cylinders of engine M40 and a lining.
6. On engine M40 also uncover a cam-shaft.
7. Get semicircular заглушку in a forward part of a head of cylinders of engine M40 (if are provided).
8. Before installation clear condensed surfaces of a cover and a head of cylinders of the rests of consolidations.
9. Replace semicircular заглушку, having greased a place прилегания to a lining of a cover of a head of cylinders with hermetic RTV. Wrap nuts during no more than 10 mines after hermetic drawing.
10. Uncover also a lining. On engine M40 also uncover a cam-shaft. Get semicircular заглушку in a forward part of a head of cylinders (if are provided).
11. On engine M40 establish a cover of a cam-shaft and a new lining. In regular intervals tighten nuts as it should be specified in illustrations, without supposing their excessive tightening, that not сдеформировать a cover.
12. Further assemblage is carried out upside-down.

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