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.).
"Toothed belt / coolant pump kits | HELLA General When replacing the toothed belt, all components of the belt drive should be replaced with it. For this purpose, Hella offers complete kits (Fig. 1) including coolant pump, toothed belt, as well as any tensio"
"Coolant pumps | HELLA General Coolant pumps (Figure 1) are mostly driven mechanically, by a toothed belt or V-ribbed belt, and transport the coolant through the engine's coolant circuit. The pumps can be flanged directly to the engine or also installed awa"
"Oil coolers for hydrodynamic retarders | HELLA General Hydrodynamic retarders (working with liquids) are used in commercial vehicles in order to support the actual brake system as an almost wear-free hydrokinetic brake. The kinetic energy is turned into he"
"Intake manifold pressure sensor with integrated intake air temperature sensor | HELLA General The intake manifold pressure sensor measures the intake manifold vacuum that exists in the intake manifold after the throttle. The measured values of the intake m"
"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 "