General air-conditioning leak detection |HELLAGeneral air-conditioning leak detectionGeneral informationThe detection of leaks and the methods to be used for troubleshooting have already beendescribed in a great deal of technical information. When tro
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Opel Corsa D - Vibrations and noises | HELLAOpelCorsa DEngine code:Z10XEP, Z12XEP, Z14XEP, Z13DTJModel year 2007–2011Vibrations and noiseson the front axleIf the above fault occurs, it may be associated with the OE brake linings in the front axle.
Function of the alternator freewheel clutchexplainedData sheetSpare part Alternator freewheel clutchBasic knowledge Function, structural design and advantages ofthe alternator freewheel clutch Important safety noteTechnical information and practical
Volkswagen Transporter T6 - Loss of coolantData sheetManufacturer VolkswagenVehicle model Transporter T6Engine All with 2.0 litre diesel engineYear of manufacture 2015 - 2019Symptoms Loss of coolant Important safety noteCoolant indicator lamp light
Capillary actionA rather unknown subject is the capillary action in lights. But more often than one might think thisphenomenon is responsible for water penetrating into a light, accumulating inside. Capillary actiondescribes the property of liquids to s
Damper weights on the brake caliper | HELLAGeneral informationWhen a moving vehicle brakes, oscillations occur at the brake caliper. These oscillations generatevibrations, which can lead to unpleasant breaking noises. In order to dampen (eliminate) thes
Toyota Aygo - Airbag control lamp lights upData sheetManufacturer ToyotaVehicle model AygoYear of manufacture 2005 - 2010Symptoms Airbag control lamp lights up | Error memorycannot be deleted Important safety noteOn the Toyota Aygo the airbag contr
The Diesel Particulate Filter System DPF |HELLAGeneral informationIn order to maintain the prescribed emission limit values, a diesel particulate filter that is alsoknown as DPF is used in vehicles with diesel engines.The diesel particulate filter com
Skoda Octavia - Vehicle not starting up |HELLASkoda OctaviaAll models with 2.0 TDI engineEngine code BMNFrom model year April2006Vehicle not starting up.Error code:P1517 “Main relay fault in circuit”P2146 “Power supply to injection valve”If this
Coolant pumps | HELLAGeneralCoolant pumps (Figure 1) are mostly driven mechanically, by a toothed belt or V-ribbed belt, andtransport the coolant through the engine's coolant circuit. The pumps can be flanged directly tothe engine or also installed awa