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
   + 3.1.9. Head of the block of cylinders
   - 3.1.10. Camshafts
      3.1.10.1.2. Control / adjustment of a basic provision
      3.1.10.2. 6-cylinder engine
   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


3.1.10. Camshafts

3.1.10.1. 4-cylinder engine

3.1.10.1.1. Removal and installation

GENERAL INFORMATION

Prevention

If details of management are used by valves again, it is necessary to establish them on the same places. To avoid confusion, it is recommended to make the corresponding panel for their storage. Camshafts are dismantled in the direction up at the established head of the block of cylinders.


Removal

PERFORMANCE ORDER
1. Disconnect a wire of "weight" of the battery.
Prevention

At a detachment of the battery the anticreeping code of radio is extinguished.


2. Remove a forward cover.
3. Establish the first cylinder on 20 ° below ignition VMT.
4. Instruction: in such situation (20 ° below VMT) it is possible to turn camshafts at the removed chain of management so that valves did not adjoin to the piston basis.
5. Uncover heads of the block of cylinders.
6. Remove a natyazhitel of a chain.
7. Paint designate the provision of an operating chain concerning both gear wheels of an operating chain of camshafts. For this purpose put a stroke through a chain and a chain wheel.
8. Unscrew a gear wheel of a final camshaft a wrench with nozzle Т40, holding thus a camshaft at a shestigrannik. Remove a camshaft gear wheel.
9. Remove an operating chain from a gear wheel of an inlet camshaft.
10. Turn camshafts a rozhkovy key that all main circles of cams adjoined to tarelchaty pushers. Thanks to it camshafts without tension are fixed in bearings.
Prevention

Camshafts are very sensitive to breakage.


11. Unscrew a cover of bearings of camshafts.
12. Unscrew all bolts of this cover of the bearing cross-wise at first on 1/2 turns, then all bolts on 1 turn and then finally turn off.
13. Uncover the bearing.
14. Take camshafts.

Installation

PERFORMANCE ORDER
1. Carefully clear all assembly parts flushing gasoline, clear sealing surfaces.
2. Grease with engine oil camshafts, tarelchaty pushers and installation sites of bearings.
3. Establish camshafts so that whenever possible all main circles of cams adjoined to tarelchaty pushers.
Prevention

The inlet camshaft can be established with or without a camshaft gear wheel. If the camshaft is replaced, pay attention to the correct coordination. The index of camshafts costs at the second bearing on a camshaft.


4. Establish covers of bearings of a cam-shaft in appropriate sequence.
5. Bearings and covers of camshafts number one after another from 1 to 10.
6. Tighten covers of bearings alternately with the moment of an inhaling of 20 N of m.
7. A chain of management impose from above on a gear wheel of an inlet camshaft and the sliding tire.
Prevention

For the engine in volume of 2,2 l: turn a regulator of camshafts about a gear wheel of an inlet camshaft (75) in the situation "spat" (late) against the stop in the direction of rotation of a camshaft.


8. Establish a gear wheel of a final camshaft in an operating chain and tighten a new bolt with a fillet with the moment of 20 N of m. Then tighten a bolt in the same direction a rozhkovy key on 90 °.
9. Check coincidence of the marking put at dismantle on gear wheels of a camshaft and an operating chain.
10. Establish a natyazhitel of a chain.
11. Establish a cover of a head of the block of cylinders.
12. Establish a forward cover.
13. Connect a wire of "weight" of the battery (–).
14. Expose time on hours.
15. Set an anticreeping code of radio.