In this database, you will find technical information on our products and certain vehicle systems – compiled by experienced technicians and mechanics. You can search the database by entering multiple keywords, for instance the product, relevant system or components, and also filter the information using the categories (for example, lighting, electronics, etc.).
"Electrical exhaust gas recirculation valve | HELLA Failure causes and troubleshooting General information EGR valves are installed in a bypass channel between the intake manifold and the exhaust manifold. Recirculating part of the exhaust gas volume can re"
"The range extender | HELLA General information The range extender (Figure 1) is used, in many applications, including in electric vehicles (e.g. Opel Ampera, Chevrolet Volt, BMW i3). It is an additional unit that extends the range of the electric vehicle. "
"The Diesel Particulate Filter System DPF | HELLA General information In order to maintain the prescribed emission limit values, a diesel particulate filter that is also known as DPF is used in vehicles with diesel engines. The diesel particulate filter com"
"The Secondary Air System | HELLA General Information This system further lowers the HC (hydrocarbon) and CO (carbon monoxide) values during the cold start phase (catalytic converter not yet active). A conversion rate of over 90 percent is achieved using a "
"Maintenance information for brake caliper - Pushing the brake pistons back | HELLA PAGID Maintenance information for brake caliper Pushing the brake pistons back General information In order to perform repairs on a brake system properly, the mechanic requi"
"Oil temperature sensor | HELLA General Depending on the type of vehicle, oil temperature sensors may be installed in addition to oil pressure sensors in some vehicles. The oil temperature sensor sends its information to a separate instrument or to the ECU "
"Oil pressure switch | HELLA General The oil pressure switch is installed in the oil circuit of the engine. It monitors the oil pressure and turns off or on a warning light or controls an oil pressure indicator. Function The oil pressure switch is normally "
"Daytime running lights | HELLA Capillary action A rather unknown subject is the capillary action in lights. But more often than one might think this phenomenon is responsible for water penetrating into a light, accumulating inside. Capillary action describ"
"Easy Conn NextGen Hybrid Light | HELLA General information This new light features an innovative, modular design. The system is a cost-optimised blend of usability, durability, flexibility and uncompromising quality for professional use. Every single light"
"Ultrasonic oil level sensor | HELLA General This sensor is used to monitor the oil level by continuously measuring the engine oil level in the static and dynamic ranges. The sensor is designed for vertical installation from below in the bottom of the oil p"