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Mercedes S-Class W-1401991-1999 of releaseRepair and operation of the car |
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Mercedes S-Class + Mercedes-Benz cars of the class S (W-140) + Operation manual - Routine maintenance Specifications Active system of the warning of the term of approach planned THAT (ASSYST) Schedule of routine maintenance General information on control Check of levels of liquids, control of leaks Check of a condition of tires and pressure in them, designation of tires and disks of wheels, rotation of wheels Replacement of motive oil and oil filter Check of the brake system Check of fuel system, replacement of the fuel filter Check of a state and replacement of hoses of a motive compartment, localization of leaks Check of a condition of ridge belts of the streaming drive of auxiliary units Check of functioning of the cooling system and frost resistance of cooling liquid, liquid replacement Check of a condition of system of production of the fulfilled gases Check of the ATF level, replacement of the AT filter Visual check of tightness of automatic transmission Check of a condition of components of a suspension bracket and steering Check of a condition of protective covers of power shafts Check of the air conditioning system Lubricant of limiters of doors and cylinders of locks Visual control of a seat belt and block of a safety cushion Check of operability of headlights and horn Check of a state, adjustment and replacement of brushes of screen wipers Check of a condition of the battery, care of it and charging Replacement of the saloon filter Replacement of brake fluid Check and replacement of spark plugs, check of a condition of high-voltage wires (petrol models) + Engine + Cooling systems, heating + Power supply system and release + Engine electric equipment + Gear shifting box + Automatic transmission + Coupling + Brake system + Suspension bracket and steering + Body + Onboard electric equipment |
Check of levels of liquids, control of leaks
Liquids are the integral component of lubrication systems, coolings, brake and systems of washing of a windshield. In view of a gradual consumption and/or pollution of liquids in the course of normal operation of the car, they should be replaced periodically. Before starting a liquid dolivaniye in any of the listed components study requirements of Specifications to types and volumes of the applied liquids. Motive oil Visual control of leaks At the greasy engine and a big consumption of oil check places of the most probable development of leaks:Powder joints of the interfaced surfaces and sealing elements of the power unit outside with lime or talc. Check oil level, if necessary add. During short (about 30 km) trips (it is desirable on the high-speed route) warm up the engine, - the warmed oil differs in the increased fluidity and easier filters through thinnesses. Park the car and, highlighting themselves a lamp, investigate the engine for the purpose of localization of sources of leak of oil. Remove the causes of development of leaks. Check of level
Location of a jellied mouth and the probe of measurement of level of motive oil on the S280 and S320 models
Location of a jellied mouth and the probe of measurement of level of motive oil on the S300TDI models
Location of a jellied mouth and the probe of measurement of level of motive oil on the S420 and S500 models
Location of a jellied mouth and the probe of measurement of level of motive oil on the S600 models
Check of level of motive oil is made by means of the measuring probe passed throughout the directing tube and the pallet of its case lowered in the engine to the lower point. Check of level of oil has to be made before the first in the present day trip, or about 5 minutes later after an engine stop. If to execute check immediately after switching off of the engine, its results will adequately not reflect a situation as a part of oil will be distributed on internal galleries and components of the engine. Lowering of level out of limits of the lower bound of admissible range leads to development of oil starvation of the engine fraught with serious mechanical damages of the last. Try not to pour also oil above the top mark as it can lead to a pelting of spark plugs or failure of epiploons of the power unit as a result of excessive increase in pressure. To fill in oil in the engine it is necessary to uncover equipped with a carving of a jellied mouth. In order to avoid spraying of oil during its gas station in the engine use a funnel, or a butterdish with a long nose. Having filled in oil, screw and strongly tighten a cover of a jellied mouth, then start the engine and attentively examine a drain stopper and the surface of an oil filter interfaced to the block on existence of signs of leaks. Kill the engine, wait 5-10 minutes during which oil will merge in the pallet, then double-check its level.
Check of level of engine oil is the important preventive procedure of service of the engine. Continuous decrease in level demonstrates existence of leak of oil as a result of failure of epiploons, damage of sealing laying, wear of piston rings or the directing plugs of valves. If oil on color or a consistence reminds milk, or at it there are water drops, it speaks about possible damage of laying of a head of cylinders, or formation of cracks to a body of a head(s) or the block. Check has to be made immediately. During measurement of level of oil always check also its state. Big and index fingers remove oil traces from a probe edge, - in case of presence at it of small metal particles oil is subject to replacement (see the Section Replacement of Motive Oil and Oil Filter). Cooling liquid of the engine
Check of level of cooling liquid in the tank has to be made regularly, at strictly horizontal position of the car and the switched-off engine. In a cold condition of cooling liquid its level has to reach the mark "MIN" in a broad tank. In a hot condition of cooling liquid level has to be about 1.5 cm higher. In case of need make the corresponding adjustment, - add 40%/60% mix of antifreeze on the basis of ethylene glycol with water (see Specifications). Banish the car and again measure the level of cooling liquid. If to the necessary level it is required to add only a small amount of cooling liquid, then for this purpose it is possible to use clear water. However frequent additions of water will dilute antifreeze. To provide a normal ratio of antifreeze and water, always add to the necessary level the required mix. If the level of cooling liquid falls regularly, then in system leak existence is possible. Examine a radiator, hoses, a cover of a jellied mouth, drain traffic jams and the water pump (address the Section Check of Functioning of the Cooling System and Frost Resistance of Cooling Liquid, liquid replacement). If leaks are not revealed, make check of tightness of a cover of a broad tank and a radiator in conditions HUNDRED. If you need to uncover, wait until the engine completely cools down, then wrap up a piece of thick rags around a cover and turn off it to the first emphasis. If at the same time from under a cover steam or cooling liquid begins to escape, let's the engine cool down a little more, and only then uncover. It is necessary to check a condition of cooling liquid also. It has to be rather pure. If liquid has brown or rusty color, it is necessary to merge, wash out it system and to fill it with new mix. Even if cooling liquid looks normally, the corrosion inhibitors which are its part lose over time the efficiency therefore it should be replaced through certain periods. For check of frost resistance of cooling liquid it is necessary to use the areometer. Brake fluid
The main cylinder of the brake system is installed in a back left corner of a motive compartment. Prevents operation of the control lamp which is built in a combination of devices about falling of level of brake fluid of the driver (see the Section Combination of Devices, measuring instruments and control lamps and light indicators in the Head the Operation manual) which float-operated sensor switch is built in a GTTs tank cover. Level of brake fluid is checked visually, on tags on the plastic tank installed on the main cylinder. Level of liquid has to be between tags of "MAX" and "MIN". If level is lower admissible, at first wipe top of the tank and a cover with pure rags to prevent hit of dirt in system after removal of a cover. Add to the necessary level the recommended liquid, but do not pour. Until the tank is uncovered, check liquid and the tank of the main cylinder for existence of pollution. If at it there are particles of a rust, dirt or a drop of water, liquid from system should be merged and filled in new. After addition of the tank to the necessary level make sure that the cover is established exactly, in order to avoid leak of liquid and/or hit of dirt. Liquid level in the main cylinder will fall slightly as a result of wear of frictional overlays of brake shoes. There is no need to add it until level remains near a tag of "MIN"; it will rise after replacement of slips. Very low level can indicate wear of brake shoes. Check them for wear existence (see the Section Check of the Brake System). If the level of brake fluid constantly falls, immediately check all system for existence of leaks. Survey brake lines, hoses and nipple connections, together with supports, wheel cylinders and the main cylinder (address the Sections Check of the Brake System, Check of a State and Replacement of Hoses of a Motive Compartment, localization of leaks). If when checking level of liquid the tank is empty or almost empty, the brake system has to be checked for existence of leaks and is pumped over (address Heads Coupling and the Brake system). Liquid of system of hydrostrengthening of a wheel (GUR)
Check of level of GUR liquid on the models equipped with engines of a series 104 and 119
Liquid of a washer of wind glass / lenses of headlights
In areas with a temperate climate the system can be filled with usual water, but it is recommended to add to means water for washing of glasses (the summer concentrate of MV has marking of S). The tank has to be filled no more than on two thirds that there was a free space on a case of expansion of water when freezing. In areas with cold climatic conditions it is necessary to use the special concentrate for washing of a windshield (marking of W) reducing a liquid freezing point which can be got in any shop of automobile accessories. Usually it is on sale in the concentrated or ready look. If you bought the concentrated antifreeze, mix it with water according to the instruction of the producer on packing.
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