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.).
"Shear Strength | HELLA Testing of Shear Strength In many publications dealing with the ECE-R90 test, the wording shear strength appears. But what does this really mean? The testing of shear strength checks the strength of the connection between the frictio"
"Testing the thickness difference of a brake disc | HELLA General information When carrying out troubleshooting on the brake system, test procedures may be required, such as checking the thickness difference (varying disc thickness) of the brake disc. The t"
"Product information brake shoe set | HELLA 8DB 355 005-111 / R1301 8DB 355 002-751 / H9670 8DB 355 004-921 / R1230 8DB 355 004-911 / R1225 Different types The design of the handbrake lever on the brake shoe is different in comparison with the first version"
"Renault Espace-IV- Electric parking brake with control element and hand-brake cables | HELLA Repair note General information Before repair work begins on the rear axle wheel brakes of the vehicle models mentioned above, the electric parking brake must be e"
"Renault Espace IV - Renewing brake disc with wheel bearing and ABS impulse ring on rear axle | HELLA Repair note Renault Espace-IV, model year 2002-2014 Preparing the vehicle for repair Drive vehicle onto lifting platform Deactivate electric parking brake "
"PR numbers for VAG vehicles | HELLA The significance of the PR numbers in the spare part catalogue Sometimes the identification of spare parts for the brake system is not only made by looking at the chassis number and the vehicle registration date. In such"
"Product information - BMW brake pads | HELLA 8DB 355 009-271 / 8DB 355 015-391 New allocation of the brake pads Due to a change in the serial equipment carried out by the vehicle manufacturer BMW, the following article allocation has been adapted as descri"
"Notes for running in the brake discs | HELLA General information After mounting the new brake discs and pads, the friction surfaces of both components need a certain time to adapt to one-another. In order to guarantee a safe and trouble-free function of th"
"Metal-free permanent lubricant | HELLA Optimal lubricant application to vehicle brake systems In order to best ensure the functionality of a wheel brake, all of the mechanical parts should be greased with a temperature-resistant permanent lubricant during "
"Brake disc locating screw | HELLA Task Some vehicle manufacturers use an additional centering screw for mounting the brake disc. This screw serves primarily as a mounting aid in order to ensure that the brake disc is positioned correctly on the wheel hub. "