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Replacing the motor oil and oil filter

Prolonged skin contact with the spent motor oil is dangerous. Use sunscreen and wear gloves during the procedure. Oil-soaked clothes are replaced immediately.

Regular and frequent replacement of motor oil is the main preventive maintenance procedures available amateur mechanics. Over time, the oil is subject to dilution and contamination, leading to premature wear.

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Engine oil, if necessary, can be pumped by a special probe (usually can be taken for temporary use at petrol stations) through the guide tube of the probe. In no case do not drain into drains! It is advisable to replace the oil after the engine mounted on the labels of the brand poured oil and date of the procedure. Using various types of oils adversely affect the operation of the engine. In no event shall also be mixing oils of different brands. In some cases (particularly in the intermediate season), mixtures of motor oils of different viscosity, under condition of coincidence of their type and brand.

Required tools

• Inspection pit / Pier / hydrolift (if the oil is not pumped through the top);
• Head to loosen the drain plug;
• Special tool for loosening the filter (a filter wrench, strap wrench or tool HAZET 2172);
• The capacity to collect oil (if the oil is not sucked) of not less than 6 liters.

The necessary spare parts and consumables

• Aluminum or copper sealing washer for the drain plug - sometimes delivered with the oil filter (if the oil is not pumped through the top);
• Replacement oil filter;
• The required amount of motor oil, has received approval from Mercedes-Benz.

Draining the motor oil

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Engine oil can also be removed by vacuuming, using a probe through the hole the dipstick. Warm up the engine to operating temperature (oil temperature 60 ?� C). Poddomkratte car and set it horizontally on props. Get a sump tank for collecting the waste oil. Remove from the oil pan drain plug (1) and completely drain the oil - if not put the drain plug at the bottom of the sump points, use a special device for pumping oil. If the used oil are present in a large number of metal shavings and wear debris, which indicates the presence of burrs, for example, in bearings of the crankshaft and connecting rod bearings. To eliminate damage after repairs should be thoroughly cleaned oil channels and hoses. Also required, if there is, replace the oil cooler. Location of drain plug (1) of the oil pan (2) Then you need to screw with a new seal the drain plug. Do not exceed the given specifications torques, otherwise it may cause leakage and damage. Lower the car on wheels.

Changing the oil filter

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See. Sections and maintenance lubrication and maintenance lubrication system. To release located on top of the engine oil filtrasleduet use special socket wrench. Planting flange on the engine block, wipe with a cloth soaked in fuel, then remove from the surface all traces of the old gasket material. Gasket oil filter change before installation grease with a thin layer of motor oil. Replacement filter when installing tightened by hand to pull the flange gasket to the landing, then another half turn - also refer to the information provided directly to the filter housing. Make sure the drain plug is tightened with demanded effort - do not forget to replace the washer.

Refilling of fresh motor oil

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When you first start after replacing the turbo-diesel oil necessary to ensure that the engine is first to idle until the indicator lamp goes out oil. Only after reaching the required oil pressure can increase gas. If the gas is given at a burning control lamp, due to an insufficient amount of oil it can damage the turbocharger. Filling oil is produced through a special, equipped with the filler cap in the cylinder head cover. When replacing the oil, use fresh oil of the same type, and if possible, the same brand as drained from the engine. To minimize splashing use funnel. At every oil change the engine is attached to the plate showing the type and brand of oil used, and the date the replacement. In the first step fill 0.5 liters less oil than is indicated in the specification, then warm up the engine and, after a few minutes, check the level and if necessary, make appropriate adjustment, bringing the level to the mark MAX on the blade of the probe. Surplus oil should be pumped from the engine in order to avoid the risk of damaging sealing elements of the engine and damage the catalytic converter. After the test drive, check the tightness of fit drain plug and oil filter, After 3 minutes after the engine again urovenmasla measure, in case of need make corresponding updating.