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Your Longeron worn out? » Read more about common malfunctions • Repair • Replacement manual
Load-bearing part of the front section: The side beam The side beam is a load-bearing part of a body. It is located at the front of the car. This component is sometimes also referred to as the "longitudinal beam". Function of the longitudinal beam This component serves a whole range of tasks:
- - Attachment point for detachable and connected components
- Reinforcing element of the body
- Smash element in case of frontal collision
However, hobby mechanics can perform a lot of work to prepare the vehicle for the replacement of a longitudinal beam and consequently save on costs. This includes the complete removal of all bolt-on parts. Cutting off the damaged longitudinal beam and grinding off the contact points can also be prepared by a hobby mechanic. If the bodywork specialists must merely weld on the new beam, this repair's costs will be kept lower. Quality of the replacement side beam In all components that are responsible for the structural and geometric function of cars, precision is mandatory. Unfortunately, many foreign producers of spare parts are known for significant variations within the given tolerances.
This can be disastrous when attempting the installation. Issues range from poor gap dimension up to parts no longer being installable. For this reason, brand quality by approved manufacturers is a top priority for all load-bearing parts of a body. Repair attempts with cheap and poorly matching welding parts can result in a total loss of the vehicle. If beams are rusted through... A vehicle's side beam is just one of many box sections. Moreover, this vehicle component is by far not the most susceptible to rust formation. Thus, if the side beam must be replaced due to corrosion, it is urgently recommended that all other body parts are also checked. In particular, this applies to the side skirts and all sheet metal parts in the rear area. Usually, a progressive corrosion will occur in these areas long before it occurs on the longitudinal beam. Sealing for prevention and aftercare Expensive repairs of the longitudinal beam can be avoided by sealing cavities in a timely manner. This effectively prevents the emergence of rust spots and increases the durability of the entire body. This also applies to the newly welded longitudinal beams.