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4d3121b2

E30 series BMW 3

since 1983-1994 of release

Repair and car operation



E30 BMW
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engine
   - 3.1.2. Specifications
      3.1.3. Types of the repair work which is carried out without dismantle of the engine
      3.1.4. An order of installation of the piston of the 1st cylinder in VMT of a step of compression
      3.1.5. Cover of a head of cylinders
      3.1.6. A soaking-up collector
      3.1.7. Final collector
      3.1.8. Covers of a chain of a drive of a cam-shaft (M10 engine)
      3.1.9. Chain and asterisks (M10 engine)
      3.1.10. Covers of a gear belt (engines M20 and М40)
      3.1.11. Gear belt and cam-shaft asterisks (engines M20 and М40)
      3.1.12. Forward epiploons
      3.1.13. Head of cylinders
      3.1.14. Pallet
      3.1.15. Oil pump
      3.1.16. Flywheel (a leading disk)
      3.1.17. Back epiploon of the crankshaft
      3.1.18. Engine mount details
   + 3.2. Dismantle and major maintenance of the engine
   + 3.3. Engine electric equipment
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Good advice



3.1.5. Cover of a head of cylinders

GENERAL INFORMATION

Nuts of fastening of a cover of a head of cylinders and 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 the M20 engine remove a rack of a soaking-up collector and an arm of sensors (or the valve of stabilization of turns of idling), previously having disconnected sockets.

4. Unscrew nuts 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 the M40 engine and laying.
6. On the M40 engine also uncover a cam-shaft.
7. Get a semicircular cap in a forward part of a head of cylinders of the M40 engine (if are provided).
8. Before installation clear condensed surfaces of a cover and a head of cylinders of the remains of consolidations.
9. Replace a semicircular cap, having greased a prileganiye place to laying of a cover of a head of cylinders by RTV hermetic. Wrap nuts during no more than 10 mines after hermetic drawing.
10. Uncover also laying. On the M40 engine also uncover a cam-shaft. Get a semicircular cap in a forward part of a head of cylinders (if are provided).
11. On the M40 engine establish a cover of a cam-shaft and new laying. Evenly tighten nuts as it should be specified illustrations, without allowing their excessive tightening, that not сдеформировать a cover.
12. Further assembly is carried out upside-down.