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Zgomot ciudat teava esapament

alexxutzu
post 29 Nov 2014, 20:09
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Salutare. De ceva timp am inceput sa am un zgomot ciudat la al meu symbol. Mai exact se aude un zdranganit de la teava de esapament, nu se aude mereu ci are momente cand se aude. Am incercat sa ma uit sub masina si nu am gasit nimic desprins ba din contra am schimbat si cei doi suporti care sustin teava, la mijloc si in spate la toba. Daca apas cu mana pe teava zgomotul dispare sau daca accelerez chiar si sensibil. Atasez si un link cu un filmulet din care puteti intelege despre ce vorbesc.

http://we.tl/nbfGrVrFSq

Multumesc!


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lucianm
post 29 Nov 2014, 20:19
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Posibil sa intre in rezonanta ecranul termic de pe mijlocul caroseriei, deasupra tevii de esapament. Are niste piulite mari care se strang la mana, probabil de la vibratii s-au mai desprins.

Urcata pe o rampa / elevator pornita si vazut exact de unde provine zgomotul.

This post has been edited by lucianm: 29 Nov 2014, 20:20


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alexxutzu
post 29 Nov 2014, 20:54
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QUOTE(lucianm @ 29 Nov 2014, 20:19)
Posibil sa intre in rezonanta ecranul termic de pe mijlocul caroseriei, deasupra tevii de esapament. Are niste piulite mari care se strang la mana, probabil de la vibratii s-au mai desprins.

Urcata pe o rampa / elevator pornita si vazut exact de unde provine zgomotul.
*




Am verificat toate suruburile de sub ea si sunt toate stranse.


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nutu01
post 29 Nov 2014, 21:43
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daca afli sa-mi spui si mie.
am schimbat suportii toba, suport motor, am taiat toba(chirurgie interna) si tot nu am gasit de ce zdrangane la relanti.
enigma totala.


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alexxutzu
post 29 Nov 2014, 22:28
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QUOTE(nutu01 @ 29 Nov 2014, 21:43)
daca afli sa-mi spui si mie.
am schimbat suportii toba, suport motor, am taiat toba(chirurgie interna) si tot nu am gasit de ce zdrangane la relanti.
enigma totala.
*



Se poate scapa de zgomot daca se pune o bucata de tabla/fier intre teava si scutul ei de deasupra in asa fel incat sa apese pe ea dar asta este doar o rezolvare de "moment" ca sa spun asa.

This post has been edited by alexxutzu: 29 Nov 2014, 22:30


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nutu01
post 30 Nov 2014, 00:29
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nu este o solutie, deoarece din ce spui tu se accentueza zgomotul.

This post has been edited by nutu01: 30 Nov 2014, 00:31


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alexxutzu
post 30 Nov 2014, 01:26
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Ba nu. Daca o sa incerci sa impingi de teava cu mana o sa vezi ca zgomotul nu se mai aude. Daca introduci acea tija intre teava si scut astfel incat tija sa impinga putin teava in jos, atunci zgomotul nu se va mai auzi si implicit nici teava nu va mai vibra atat de tare.

This post has been edited by alexxutzu: 30 Nov 2014, 01:27


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alexxutzu
post 4 Dec 2014, 01:55
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Nu mai are nimeni o problema asemanatore?


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BogdanIce
post 4 Dec 2014, 08:57
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Si la mine e la fel ..a inceput de acum vreo luna, dar cu munca si alergatura inca nu am apucat sa vad cum o rezolv... dar imi sta pe creier zgomotu ala sad.gif


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florinbarca
post 4 Dec 2014, 11:54
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si eu am aceeasi problema si se aude in special pe timp rece am observat.
am semnalat aceasta problema si cand am fost acum in service pentru revizie.
initial mecanicul de acolo zicea ca s-ar putea sa fie teava fisurata pe undeva.
A ridicato pe elevator sa uitat peste tot dar nu a gasit nimic.
zicea ca s-ar putea sa fie vreo sita din toba care ar putea fi rupta si aceasta sa trepideze si de aici zgomotul.


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alexxutzu
post 4 Dec 2014, 18:09
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QUOTE(florinbarca @ 4 Dec 2014, 11:54)
si eu am aceeasi problema si se aude in special pe timp rece am observat.
am semnalat aceasta problema si cand am fost acum in service pentru revizie.
initial mecanicul de acolo zicea ca s-ar putea sa fie teava fisurata pe undeva.
A ridicato pe elevator sa uitat peste tot dar nu a gasit nimic.
zicea ca s-ar putea sa fie vreo sita din toba care ar putea fi rupta si aceasta sa trepideze si de aici zgomotul.
*


Pai si atunci cand impingi in teava de ce nu se mai aude? Este foarte ciudat zgomotul mai ales ca nu face mereu.


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z_fdd bacau
post 5 Dec 2014, 10:30
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ok, si la mine e ceva de genul, doar ca se manifesta cand o subturez...

exemplu: urc o panta cu a 4-a si o las pe la 1500 de turatii, iar atunci accelerez... incepe si zangane...
vreo idee? a descoperit cineva ceva? ma dispera sunetul ala de tabla pe tabla, parca bat la tobe...

m-am bagat sub masina, nu pare sparta (daca era sparta facea mereu), am verificat suruburile, sustinerea tobei... sincer nu imi dau seama...

This post has been edited by z_fdd bacau: 5 Dec 2014, 10:33


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jas2
post 5 Dec 2014, 11:31
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Asta am gasit eu, cand in sfarsit am scapat de zgomot.

http://www.reno.ro/index.php?showtopic=276592&hl=

This post has been edited by jas2: 5 Dec 2014, 11:31


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danutzBV
post 5 Dec 2014, 13:04
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Si la mine bate, oarecum la fel. Ridicata pe elevator, nu se vedea nimic, dar cand am dus-o pe canal, am observat ca bate in dreptul cotului catre toba finala, in puntea spate. Bineinteles ca ridicata pe elevator, era eliberata de tensiune in arcuri. Totodata, daca nu era nimeni in masina, nu batea in niciu fel, numai atunci cand era greutate pe stanga. Observat, urmeaza sa remediez.


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alexxutzu
post 5 Dec 2014, 13:44
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QUOTE(jas2 @ 5 Dec 2014, 11:31)
Asta am gasit eu, cand in sfarsit am scapat de zgomot.

http://www.reno.ro/index.php?showtopic=276592&hl=
*



Da, este o idee dar n-am inteles cum anume ai reusit sa le scoti! 😐 Intrebarea este daca desfac colierul care sustine teava la mijlocul masinii (cel incercuit in poza) am vreo sansa sa le scot?

This post has been edited by alexxutzu: 5 Dec 2014, 13:52

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jas2
post 5 Dec 2014, 16:13
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Da,ai sanse.Eu nu aveam colier acolo.
Oricum...eu am taiat teava dupa suportul de prindere pe caroserie...cam in dreptul bratarii de la mana ta(in poza).

This post has been edited by jas2: 5 Dec 2014, 16:14


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z_fdd bacau
post 5 Dec 2014, 17:30
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ce....diavolu'..... sunt tablele alea???? de unde vin??? cred ca ma apuc de desfacut toba daca prind o zi mai calduroasa...


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jas2
post 5 Dec 2014, 18:26
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Cred ca sunt suportii de la ceramica din catalizator...


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z_fdd bacau
post 5 Dec 2014, 18:35
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pai bine, si asta inseamna ca e afectat catalizatorul sau ce???

e prima data cand vad asa ceva... credeam ca se gaureste toba, ca e vreun colier, un suport...dar sa umblu cu sabii in toba nu ma gandeam...


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jas2
post 5 Dec 2014, 23:17
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La mine catalizatorul este ok.


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Teodor Bogdan
post 21 Oct 2017, 17:48
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Salut, pot schimba esapamentul fara sudura? Vreau sa schimb cele 2 tampoane, teava intermediara, toba finala si arcurile de langa catalizator. Am toate sculele necesare, mini rampe, etc.


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espacern
post 21 Oct 2017, 18:12
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Se poate face racordul cu ajutorul unor "coliere" lungi speciale pentru esapament.


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Teodor Bogdan
post 21 Oct 2017, 21:04
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Multumesc, cred ca sunt acele coliere cu 2 suruburi, la care se adauga pasta de etansare. Ma refeream mai mult daca trebuie sa tai bucati sau sau sa sudez


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espacern
post 21 Oct 2017, 21:09
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Trebuie taiat si apoi se imbina cu ajutorul "colierelor".....adica fara sudura.


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Teodor Bogdan
post 21 Oct 2017, 22:44
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Multumesc!


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Teodor Bogdan
post 7 Nov 2017, 08:48
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La mine batea din cauza faptului ca era rupta la toba intermediara. Cei care au proiectat au omis pozitionarea unui suport in acea zona. Astfel, cu timpul, toba de rupe, contribuind si masa ei.


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