In this database, you will find vehicle-specific diagnostic and repair information relating to a variety of fault symptoms. This professional, technical information has been compiled by experienced technicians and mechanics to support automotive workshops with vehicle repairs. You can search the database by entering multiple keywords, for instance the vehicle make, model, relevant system or components, and also filter the information using the categories (for example, lighting, electronics, etc.).
"Audi A4 - Indefinable noises | HELLA Audi A4 (8D, B5) Model year: up to 1999 Engine: 1.6i (AHL) Indefinable noises Accumulation of condensation On the vehicles mentioned above, bubbling and/or gurgling noises can occur at idle speed. This may be due to con"
"Audi A3 - Loss of coolant | HELLA Audi A3 Model year: 2003 - 2007 Engine: 2.0 TDI BKD Loss of coolant The above vehicles may experience a slow coolant loss. It is not possible to determine the cause of this issue at a glance. To determine the cause of the "
"Audi A1 - Engine warning light comes on | HELLA Audi A1 (8X) Model year: from 2010 onwards Engine: 1.6 TDI Exhaust gas recirculation radiator Engine warning light comes on If, in the vehicles mentioned above, the error memory indicates an issue with the ex"
"Volkswagen Transporter T5 - Radiator fan runs constantly | HELLA Volkswagen Transporter T5 (7HC, 7HMA, 7J0) Model year: 2003 - 2007 Radiator fan runs constantly Battery is discharged In the above vehicles, a faulty radiator fan control unit can cause the r"
"Volkswagen Passat - Interior air / odour | HELLA Volkswagen Passat Type: 3BG (B5) Model years until 2005 Interior air / odour Unpleasant odour inside the vehicle. No typical musty odour caused by microorganisms on the evaporator surface. It may be caused b"
"VW Golf - Excessive engine temperature | HELLA VW Golf / Golf Estate Starting from model year 1997 Excessive engine temperature If there are complaints for these models about "engine overheating" or "excessive engine temperature", check the functionality o"
"Volkswagen Golf IV - Air recirculation function | HELLA Volkswagen Golf IV With manual temperature control Air recirculation function The above vehicles can experience a supposed failure of the air recirculation function. The indicator light in the air rec"
"Saab 9-3 - Passenger compartment fan | HELLA Saab 9-3 (YS3D) Year of manufacture: 1998 - 2003 Passenger compartment fan In the above vehicles, a defective fan control unit can result in the passenger compartment fan operating only at the highest speed. If "
"Renault Trafic II - Loss of coolant | HELLA Renault Trafic II Model year: starting 2007 Air-conditioning system with an evaporator Loss of coolant Damaged coolant hose In the above vehicles, a damaged coolant hose may lead to the loss of coolant. When repl"
"PEUGEOT 407 - Pollen filter clogged | HELLA PEUGEOT 407 Model year: from 2004 Right-hand drive (RHD) Pollen filter clogged. Reduced air flow into the interior of the vehicle. If, on the above mentioned vehicles there are complaints about a degradation in t"