S-class W202 Mercedes

1993-2000 of release

Repair and car operation

W202 Mercedes
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
- 11. Steering
   11.2. The block of an inflatable safety cushion on a steering wheel
   11.3. Steering wheel
   11.4. Steering trapeze
   11.5. Cuffs of hinges of a steering trapeze
   11.6. Power steering pump
   11.7. Disorder convergence installation
   11.8. Easily and easy
   11.9. Maintenance of system of a steering
   11.10. Diagnostics of malfunctions of system of a steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electroschemes

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11.6. Power steering pump


In cars with adjustment of a road gleam and (or) with automatic blocking of differential the tandemny pump of the hydraulic booster is used. The tank with liquid for hydrosystem is over the pump. At work on the hydraulic device it is necessary to observe purity carefully: the slightest pollution in oil can result in malfunctions.


1. If is available, remove soaking-up air hose on the air filter over the pump of the hydraulic booster.
2. Open a cover of a tank of the hydraulic booster. Select hydraulic oil from a tank a syringe suitable for this purpose.
3. Unscrew an elastic hose of a high pressure (29), and also return branch (28) and stop up places of connection with pure caps. In the pump stop up also a hose of a high pressure (27).
4. A hose of return branch (26) press a clip suitable for this purpose, for example, a clamp, and unscrew it. Stop up connection by a cap.
5. Release bolts (48) on a belt pulley, but do not unscrew them.
6. Remove maple a ridge belt.
7. Unscrew bolts and remove a pulley.  
8. Unscrew bolts (46), holding the bottom bolt from below.
9. Unscrew bolts (46) and remove the pump.


1. Screw the pump on arms.
2. Tighten effort of a hand fastening of a pulley of a belt.
3. Put maple a ridge belt.
4. Tighten 3 bolts of a pulley of a maple belt with the moment of 30 N of m.
5. Remove caps and screw гидропроводы with the moment about 30 N of m.
6. Fill a tank with oil for hydrosystem to level about 10 mm from the upper edge. For 1 second get the engine, then stop it. Add oil in a tank, the pump should not suck in air. Correctly establish oil level.
7. Adjustment of a road gleam: the car Raise behind that wheels were not loaded. Start the engine, let's some time to it work, then stop. At the muffled engine correctly establish oil level. Then lower the car and load a luggage carrier with cargo about 120 kg. Start the engine, establish average turns, during 20 with leave the engine to work. Establish oil level.
8. Put soaking-up air hose of the air filter. After a trial trip examine tightness of connection on the pump, if necessary, tighten sockets a little.