Mercedes S-class W202

1993-2000 of release

Repair and car operation



Mercedes W202
+ 1.2. The general data
+ 2. Maintenance service
- 3. Engines
   3.1.2. Identification number
   - 3.1.3. The engine
      3.1.3.2. Installation
      3.1.3.3. Engine ventilation
      3.1.3.4. Functioning
   3.1.4. Cars with the conditioner
   3.1.5. The bottom cover of a motor compartment
   3.1.6. Covers of cast apertures
   3.1.7. Натяжитель chains
   + 3.1.8. A cover of a head of the block of cylinders
   + 3.1.9. A head of the block of cylinders
   + 3.1.10. Camshafts
   3.1.11. Hydraulic тарельчатые 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. A compression
   + 3.1.17. A klinovyj belt
   3.1.18. Diagnostics of malfunctions (DB)
   3.1.19. Broad-brush observations
   3.1.20. Repair work without engine dismantle
   + 3.1.21. Engine major repairs
   + 3.2. The diesel engine (ДД)
   3.2.3. Cars with the conditioner
   3.2.4. The bottom cover of a motor compartment
   3.2.5. Covers of cast apertures
   3.2.6. Натяжитель chains
   + 3.2.7. A camshaft
   + 3.2.8. A head of the block of cylinders
   + 3.2.9. Maslootrazhatelnye caps
   3.2.10. A cover of a head of the block of cylinders (2,2/2,5)
   3.2.11. Hydraulic тарельчатые 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. A head of the block of cylinders and the motor block
   3.2.16. A compression
   3.2.17. Клиновой a ridge belt
   3.2.18. The pulling device клинового a ridge belt
   3.2.19. Diagnostics of malfunctions (ДД)
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. A running gear
+ 11. A steering
+ 12. Brake system
+ 13. A body
+ 14. An electric equipment
+ 14.2. Electroschemes







3.1.3. The engine

3.1.3.1. Removal
THE GENERAL DATA

The engine is dismantled upwards together with a transmission by means of the crane. At all do not lower the engine downwards, using монтировочный a jack which can cause its heavy damages.

As from below the car probably detachment of some details, four steady supports which are applied also to a jack support are necessary. Before the work beginning in a motor compartment protect wings of the car a covering. The forward cowl at engine dismantle does not act in film.

The engine can be dismantled and without a transmission. Thus the points designated (*), it is not necessary to carry out. The Transmission prop up a repair jack and a wooden intermediate lining, then ослабьте connecting bolts the engine / a transmission and wring out the engine from a transmission mount.

Depending on year of release and car model electric wires, hoses of depression and a cooling liquid can be laid in a motor compartment differently. Before a detachment of a corresponding wire designate its sticky tape. Dismantle of the 4-cylinder engine is more low described, at dismantle 6-cylinder – operate on sense.
PERFORMANCE ORDER
1. To open a cowl, pull the basic lever (3) on the left support of a cowl in a direction of an arrow and slightly raise a cowl that the lock lever was not fixed. Take the lock lever from the right support of a cowl and establish a cowl vertically.

The prevention

The left lock lever should be fixed in the top clamp.


2. Remove a covering (1) from a forward wall of a body. For this purpose unscrew a nut with накатной a head () and release a rivet with a notch (b).
3. Disconnect from the storage battery a weight wire (–).

The prevention

The anticreeping code of radio is thus erased.


4. Disconnect from the accumulator плюсовой a wire which is passing from a socket of the battery to the engine, stretch it through dividing partition and put on the engine.
5. Disconnect штеккерное connection (Х27/5) the switch of pressure of oil.
6. Unscrew a wire (30) from a socket.
7. If there is a measuring instrument of weight of air, remove it.
8. Disconnect all hoses of depression which go to the engine. For example:
     – A hose () depression of the valve of regeneration;
     – A hose of depression to the right of an inlet pipe;
     – A hose of depression of the amplifier of braking from an inlet pipe.
9. Disconnect a gas cable.
10. Open for a short while a cover of a fuel tank and lower superfluous pressure in fuel system.
11. Disconnect all electric wires conducting to the engine. For simplification of the subsequent installation preliminary mark wires a sticky tape. For example:
     – Disconnect штеккерное connection from a ljambda-probe on a forward wall of a body;
     – 2,2 l: dismantle a covering of a monitor behind a forward wall of a body, preliminary remove a plastic cover of a connector of wires;
     – 1,8/2,0 l: remove многоштырьковый a socket and the item gauge коленвала, and also the pipeline of depression from device PMS;
     – Disconnect separate wires with колодки on the left wing, preliminary having uncovered with колодки;
     – Disconnect штеккерное connection from темпомата;
     – Unscrew a cable of "weight" from the holder of the block of hydraulics;
     – The conditioner: disconnect an electric wire from the conditioner compressor.
12. Disconnect a cable socket and take wires from holders.
13. Pipelines of fuel (17/2) and (17/3) designate a sticky tape and remove from the distributor of fuel (17). Preliminary disconnect hoses with clips.

The prevention

Enclose a rag as fuel thus follows.


14. Select a suitable syringe hydraulic oil from a tank of the amplifier of a steering.
15. Unscrew hoses and close stoppers.
16. Unscrew рециркуляционный a hose (28) and a hose of a high pressure (29) for серворулевого managements. In cars with adjustment on height in addition unscrew a hose of a high pressure (26) and маслопровод (27) for the two-planimetric pump.
17. Преподнимите the car.
18. Remove the bottom covering of a motor compartment.
19. Remove the fan with hydraulic муфтой.
20. Merge cooling liquid from a radiator.
21. Disconnect hoses of a cooling liquid of a head of the block of cylinders behind and from the pump of a cooling liquid in front. Preliminary ослабьте collars of fastening of hoses also disconnect completely.
22. Remove a radiator.
The prevention

For cars with the conditioner at once after radiator dismantle establish a protective cover on the condenser.