Your expert for engine components

Irregular sliding surface wear Corrosion on the outside diameter of the cylinder liner (Fig. 1). Uneven wear pattern with individual bright areas on the cylinder surface (Fig. 2). Piston undamaged.

#piston #cylinder liner #Cylinder #cylinder bore

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Reading time: 8 minutes

Damage due to abnormal combustion 1/3

Cracks in the piston crown and bowl (diesel engines) Stress cracks on the edge of the bowl. Major crack extends to the piston pin boss. Channel burned from the bowl to below the oil control ring by

#piston #piston pin boss #piston pin, Gudgeon pin #piston ring #piston ring groove #piston ring set #piston ring joint clearance, Piston ring gap

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Reading time: 4 minutes

Damage due to abnormal combustion 2/3

Removal of material by melting from the piston head and piston skirt (petrol engines) The piston head has melted through behind the piston rings. The piston skirt has not seized; melted material has

#piston #piston pin boss #piston pin, Gudgeon pin #piston ring #piston ring groove #piston ring set #piston ring joint clearance, Piston ring gap

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Reading time: 6 minutes

Damage due to abnormal combustion 3/3

Hole in the piston crown (petrol engines) Piston crown has a hole that penetrates all the way through, covered by the molten material. Skirt area displays seizure marks. Reason: the high temperatures

#piston #piston pin boss #piston pin, Gudgeon pin #piston ring #piston ring groove #piston ring set #piston ring joint clearance, Piston ring gap

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Reading time: 9 minutes

Damage to engine bearings due to the influence of particles

/ When foreign particles find their way into the lubrication gap between the bearing and the shaft journal, there is a great risk of bearing damage. Due to the very low thickness of the lubricating fi

#Engine bearing #bearing cap #connecting rod bearing #bearing clearance #camshaft bearing #engine bearing shell #main bearing

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Reading time: 2 minutes

Damage to engine bearings: Overheating damage

Introduction / Overheating damage is the result of dramatic temperature development in the engine bearing shell, which goes hand-inhand with acute mixed friction. This is why heat cracks, discolourati

#Engine bearing #bearing cap #connecting rod bearing #bearing bush #bearing clearance #camshaft bearing #engine bearing shell #main bearing

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Reading time: 3 minutes

Damage to the pin retainers

General information about damage to the piston pin circlips Wire circlips or what are known as Seeger-type circlips are used as retainers for the piston pins. It is possible for both types to break, o

#piston #piston pin boss #piston pin, Gudgeon pin #piston ring #piston ring groove #piston ring set #piston ring joint clearance, Piston ring gap

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Reading time: 2 minutes

Damage to vacuum pumps due to insufficient lubricating oil supply

Vehicles Product all vehicles with vacuum pumps Vacuum pumps with rotary drive / Lubricating oil that is past its change date or is contaminated can cause premature wear in a vacuum pum

#vacuum pump #camshaft bearing

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Reading time: 1 minute

Danger of breakage: Install water pumps from

Audi, Seat, Škoda and VW correctly

/ Water pump damage symptoms / / Typical damage to the water pumps in question are visible breaks or leakages in the area of the flange seal. The most frequent cause is that the gasket has become c

#water pump

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Reading time: 3 minutes

EGR fault due to foreign bodies in the exhaust tract: causes and solutions

/ Error messages such as P1444 and P16786 are often an indication of problems in the exhaust gas recirculation system (EGR) of a vehicle. These errors lead to symptoms such as engines running out-of-t

#EGR valve #EGR cooler

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Reading time: 3 minutes

Electric Fuel Pumps for universal applications

Vehicle/application Product Pierburg No. See catalogue, TecDoc CD, / Motorservice App or / catalog.ms-motorservice.com Electric fuel pump (E1F) 7.21440.51.0/.53.0/.63.0/.6

#Fuel pump #electric fuel pump

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Reading time: 1 minute

Electric egr valves

Matching to the engine controller is required

Vehicle Product Pierburg No. various VW, Seat, Škoda, Audi Electric EGR valve / 7.22574.11.0/.12.0; 7.28070.02.0/.03.0; / 7.22785.11.0 ... .14.0/.16.0 ... .18.0/.20.0 /

#valve #EGR valve

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