Regenerated throttle valve for man tgl, tgm, 51094137009

Regenerated throttle offered for man TGL, TGM vehicles. Regeneration made by Arcoore specialists

Numbers:

51094137009;

The role of the air damper in man TGL and TGM

The air damper, numbered 51094137009, is an engine accessory component in man TGL and TGM series vehicles (equipped with D2066 series engines, for example). Although its primary function is to regulate the amount of air supplied to the intake manifold, in modern diesels it performs much more advanced tasks than in older designs. First of all, it works closely with the exhaust gas recirculation (EGR) system. As it closes, the throttle creates a vacuum that allows the exhaust gases to be sucked efficiently into the combustion chamber, which is necessary to reduce nitrogen oxide emissions. In addition, it plays an important role in the DPF firing process (raising the exhaust gas temperature by throttling the intake) and provides a soft and smooth extinguishing of the engine when the ignition is turned off, cutting off the oxygen supply and preventing cabin vibration.

Symptoms of throttle failure in man engines

Throttle failure 51094137009 gives quite distinctive signals, which are easy to notice during daily operation. One of the most annoying symptoms for the driver is the so-called “hard extinguishing” – after turning the key, the engine does not extinguish smoothly, but goes into strong vibrations and jerks before finally stopping. This is a sign that the flap does not close completely. While driving, you may experience a drop in power and the check engine light (EDC/Check Engine) may come on with errors related to the intake system or EGR. Since the throttle is responsible for the “thermal management” of the exhaust system, failure of the throttle often leads to problems with DPF regeneration, resulting in rapid clogging and subsequent costly failures.

Why does the air damper 51094137009 fail?

The throttle works in a harsh environment, being exposed to high temperatures and contaminants. The most common cause of its blockage is the accumulation of soot (from the EGR system) and oil vapors (from the fume hood) inside the mixture body. This creates a thick carbon build-up that mechanically impedes the movement of the flap. The increased resistance overloads the internal mechanism – often resulting in the plastic gears of the transmission breaking off or burning out the electric motor that controls the flap. A common problem is also the ingress of oil or moisture into the electronic section of the device, leading to corrosion of the circuit board and errors in communication with the motor controller.

Advantages of a regenerated air damper from Arcoore’s offer.

Choosing a regenerated air damper 51094137009 for man TGL, TGM is a solution that restores full efficiency of the intake system without investing in an expensive new component. During the remanufacturing process at Arcoore, the unit is not only cleaned of carbon build-up, but undergoes a thorough overhaul. We replace damaged components of the drive mechanism, verify and repair the control electronics. Each throttle is calibrated and tested for responsiveness and tightness of closure, so you get a product that is durable, ready for installation and covered by a warranty.