S-class W202 Mercedes

1993-2000 of release

Repair and car operation



W202 Mercedes
+ 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. Bottom 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 tarelchaty pushers
   3.1.12. Maslootrazhatelnye caps
   3.1.13. Valves
   3.1.14. Directing valves
   3.1.15. Saddles of valves in a head of the block of cylinders
   3.1.16. Compression
   + 3.1.17. Klinovy belt
   3.1.18. Diagnostics of malfunctions (DB)
   3.1.19. General comments
   3.1.20. Repair work without engine dismantle
   + 3.1.21. Major maintenance of the engine
   + 3.2. Diesel engine (DD)
   3.2.3. Cars with the conditioner
   3.2.4. Bottom 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. Maslootrazhatelnye caps
   3.2.10. Cover of a head of the block of cylinders (2,2/2,5 l)
   3.2.11. Hydraulic tarelchaty pushers
   3.2.12. Valves
   3.2.13. 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. Tense device of a maple ridge belt
   3.2.19. Diagnostics of malfunctions (DD)
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electroschemes








b47c026d b47c026d


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-section pipe of the air filter for what release rukavny clips.
2. Remove a hose for engine (22) ventilation 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 a covering (17).
4. Remove all tips 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) 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 the moment of 10 N of m.
3. Fix a spring clip a wire a lambda probe.
4. Put on tips of spark plugs in appropriate sequence.
5. Screw up bolts and fix spring clips of a covering.
6. Put on a hose of ventilation of the engine and fix shlangovy collars.
7. Establish a cross-section pipe of the air filter.
8. Finish 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.