Mercedes of the S-class W202

1993-2000 of release

Repair and operation of the car



Mercedes W202
+ 1.2. General information
+ 2. Maintenance
- 3. Engines
   3.1.2. Identification number
   + 3.1.3. Engine
   3.1.4. Cars with the conditioner
   3.1.5. Lower cover of a motor compartment
   3.1.6. Covers of cast openings
   3.1.7. Natyazhitel of a chain
   - 3.1.8. Cover of a head of the block of cylinders
      3.1.8.2. 6-cylinder engine
   + 3.1.9. Head of the block of cylinders
   + 3.1.10. Camshafts
   3.1.11. Hydraulic dish-shaped pushers
   3.1.12. Maslootrazhatelny caps
   3.1.13. Valves
   3.1.14. The directing valves
   3.1.15. Saddles of valves in a head of the block of cylinders
   3.1.16. Compression
   + 3.1.17. Maple belt
   3.1.18. Diagnostics of malfunctions (DB)
   3.1.19. General comments
   3.1.20. Repair work without dismantle of the engine
   + 3.1.21. Capital repairs of the engine
   + 3.2. Diesel Engine (DE)
   3.2.3. Cars with the conditioner
   3.2.4. Lower cover of a motor compartment
   3.2.5. Covers of cast openings
   3.2.6. Natyazhitel of a chain
   + 3.2.7. Camshaft
   + 3.2.8. Head of the block of cylinders
   + 3.2.9. Maslootrazhatelny caps
   3.2.10. Cover of a head of the block of cylinders (2,2 / 2,5 l)
   3.2.11. Hydraulic dish-shaped pushers
   3.2.12. Valves
   3.2.13. The directing valves
   3.2.14. Saddles of valves in a head of the block of cylinders
   3.2.15. Head of the block of cylinders and motor block
   3.2.16. Compression
   3.2.17. Maple ridge belt
   3.2.18. The pulling device of a maple ridge belt
   3.2.19. Diagnostics of malfunctions (DD)
+ 4. Lubrication system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. System of ignition
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electrical circuitries





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3.1.8. Cover of a head of the block of cylinders

3.1.8.1. 4-cylinder engine

Removal


PERFORMANCE ORDER
1. Remove a cross pipe of the air filter for what release hose clips.
2. Remove a hose for ventilation of the engine (22) from the case of a head of the block of cylinders, previously having weakened a hose collar.
3. Disconnect a spring clip of a covering (16) sideways and remove a covering upward. Weaken bolts (3) and remove covering (17).
4. Remove all plugs of spark plugs (2), it is better by means of special nippers.
5. Disconnect sideways a spring clip of fastening of a wire a lambda probe and remove it.
6. Turn off bolts (1) of the case of a head of the block of cylinders.
Prevention

Bolts have various length therefore write down their provisions for the subsequent assembly.


7. Remove the case of a head of the block of cylinders (18) with sealing laying (20).

Installation

PERFORMANCE ORDER
1. Check integrity of sealing laying, in case of need replace. At laying installation especially pay attention to the correct landing in back dredging.
2. Evenly tighten bolts in the case of a head of the block of cylinders with m 10 N.' moment.
3. Fix by a spring clip a wire a lambda probe.
4. Put on plugs of spark plugs in the appropriate sequence.
5. Screw up bolts and fix by spring clips of a covering.
6. Put on a hose of ventilation of the engine and record hose collars.
7. Establish a cross pipe of the air filter.
8. Bring the engine to working temperature and check tightness of a cover of a head of the block of cylinders, especially in back dredging and in nests for spark plugs.