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Bataie/țăcănit motor la rece


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Buna ziua! Inca de cand am luat masina (un e60 525d nfl, m57) am avut la rece un fel de tacanit care se aude din spatele motorului, cand stai sub ea pare a fi din carcasa ambreiajului. Am inlocuit volant si nicio schimbare. Precizez ca la rece se aude mai tare iar la cald dispare in proportie de 95% de tot (dupa vreo 20-30 min de mers cu masina). Se aude in mare parte doar la relanti, creste putin in intensitate pe la 1000rpm iar dupa nu se mai aude, presupun ca e mascat de sunetul motorului. 
Sa fie bataie de piston? (Piston slap)? Poate a mai intalnit cineva asemanator. M am gandit si la injectoare, desi sunetul se aude mai tare din lateralul masinii, cand stai in fata ei nu se aude decat sunetul motorului, dar astept pareri poate a mai avut cineva un sunet asemanator. 
atasez video cu sunetul la rece si sunetul la cald 

 

 

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