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| | | Mercedes-Benz |  | W163 | | Introduction | | Controls and receptions of safe operation | | Current care and maintenance | | The active warning system Maturity planned TO (ASSYST) | | The routine maintenance schedule | | General information about the settings, | | Check fluid level, leakage control | | Checking the condition of tires and pressure in them, the designation of tires and wheel rims, wheel rotation | | Replacing the motor oil and oil filter | | Check the brake system | | Check the power supply system, replacement of the fuel filter | | Check and replacement of hoses of an impellent compartment, localization of leaks | | Checking the multirebernyh accessory drive belt | | Check the functioning of the cooling system and frost coolant fluid replacement | | Checking the exhaust system | | Replacement and check of level ATF, AT filter replacement | | Visual check of tightness automatic transmission | | Checking the suspension components and steering | | Checking the status of anther drive shafts | | Check the air conditioning system | | Grease limiters door locks and cylinders | | Visual inspection of safety belt and airbag unit | | Verifying the headlights and horn | | Check and replace wiper blades | | Checking the status of the battery, care it and gymnastics | | Replacing the cabin filter | | Replacing brake fluid | |  | Check and replacement of spark plugs, check the status of high-voltage wires (petrol models) | | Engine | | System of cooling, heating and air conditioner | | The power supply system and exhaust | | Systems of an electric motor | | Manual box of a gear change | | The transmission automatically processed | | Transmission Line | | Brakes and auxiliary systems | | Suspension and steering | | Body | |  | Onboard electric | | | |
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 printable version
Checking the multirebernyh accessory drive belt
Verify accessory drive belt  | | |
| - Schemes lining the serpentine belt accessory drive are presented in Section Replacement accessory drive belt and elements of the mechanism of its tension.
- Fingers (and using a flashlight if necessary) go over the entire length of the belt, feeling for cracks and bundles. Also check to see if the belt zapolirovat scuffs and polished sections. The belt should be examined by both sides, which implies the need to twist him to check the status of the reverse side. Along the way, check for rust, cracks and burrs on pulleys. On the working surface of the belt may be the presence of shallow perpendicular cracks. If these cracks do not extend beyond one edge and not very deep, there is no need to replace the belt.
- Adjust the belt tension is done automatically. Periodically check the condition of the belt, and detection of defects, replace the belt.
- The belt tension is performed in an automatic tensioner and does not need checking.
- Turn off the engine, set the transmission to neutral. Lift and establish the car on supports.
- Label belt with chalk in a clearly visible place.
- Socket wrench crank the engine for the crankshaft pulley bolt in the direction of normal rotation (clockwise) up until reappears chalk marking - carefully examine the state of the webbing along its entire length.
- The belt tension can be checked by strong pressure on his thumb and determine the extent of his depression. Measure the amount of deflection line. If the distance between the centers of the pulleys is of from 180 to 280 mm, the amount of deflection must be equal to 6 mm. If the distance between the centers of the pulleys is in the range between 300 and 400 mm, the deflection should be equal to 13 mm.
- In the presence of one or more of the damage the belt must be replaced (see chap. Engine).
- Make sure the belt is properly seated on pulleys.
 | When installing the drive belt correctly place it on pulleys - it must be strictly at the center of the pulley (even short-term improperly installed belt can cause damage) |
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