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Tremurat pornire la rece 740i F01 Rate Topic: -----

#1 User is offline   crtir 

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Posted 14 September 2018 - 11:09

Salutare,

Am un coleg care detine un 740i (benzina) F01.
Problema lui este ca la rece masina tremura un pic,pana cand se incalzeste si se stabilizeaza turatia de relanti.
Au fost schimbate bujiile,un injector,verificate la cald injectoarele (nu au fost verificate inca si la rece,exact in momentul pornirii) cu valorii apropiate de 0 pe toti cei 6 cilindri.
Nu au fost schimbate inca bobinele de inductie.
Va rog sa imi dati niste idei care ar putea fi cauza pentru acest tremurat.
Multumesc!
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#2 User is offline   crazyboy 

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Posted 14 September 2018 - 11:13

Posibil supapa.
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#3 User is offline   crtir 

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Posted 16 September 2018 - 15:40

poti detalia putin te rog ?
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#4 User is offline   crazyboy 

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Posted 16 September 2018 - 16:41

Ramane supapa blocata si nu mai inchide asta pana ajunge la o anumita temperatura. Dupa ce se incalzeste incepe sa lucreze. Treaba asta se intampla numai la pornirea la rece. Daca o porneste dupa ce ajunge la temperatura de lucru nu mai tremura.
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#5 User is online   Magnusy 

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Posted 16 September 2018 - 18:54

CE supapa si ce motor are? N55?
Sunt interesat de subiect

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#6 User is offline   crtir 

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Posted 16 September 2018 - 19:21

N54; e din 2010 masina.
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#7 User is offline   All 

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Posted 17 September 2018 - 23:15

Un test de compresie este ieftin, relativ rapid si s-ar putea sa te lamureasca in vederea reparatiei :thumbsup:
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#8 User is offline   Cloud92 

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Posted 19 September 2018 - 22:28

Asaaaa, de curiozitate, masina a fost luata din Constanta, nu? :))
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#9 User is offline   crtir 

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Posted 25 September 2018 - 10:10

View PostCloud92, on 19 September 2018 - 22:28, said:

Asaaaa, de curiozitate, masina a fost luata din Constanta, nu? :))


Da, asa este ...de curiozitate, stii ceva detalii despre masina?
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#10 User is offline   crtir 

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Posted 28 September 2018 - 10:53

View Postcrazyboy, on 16 September 2018 - 16:41, said:

Ramane supapa blocata si nu mai inchide asta pana ajunge la o anumita temperatura. Dupa ce se incalzeste incepe sa lucreze. Treaba asta se intampla numai la pornirea la rece. Daca o porneste dupa ce ajunge la temperatura de lucru nu mai tremura.


Salutare ! Poti sa-mi dai o recomandare vizavi de ce procedura/metoda de interventie e recomandabila pt. curatarea supapelor ? Am mai primit niste hinturi, dar colegul vrea sa stie si de alte alternative.
Multumesc !
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#11 User is offline   crazyboy 

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Posted 28 September 2018 - 11:25

View Postcrtir, on 28 September 2018 - 10:53, said:

Salutare ! Poti sa-mi dai o recomandare vizavi de ce procedura/metoda de interventie e recomandabila pt. curatarea supapelor ? Am mai primit niste hinturi, dar colegul vrea sa stie si de alte alternative.
Multumesc !

Se inlocuieste nu se curata. Trebuie data chiulasa jos si vazut care anume e cu probleme.
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#12 User is offline   Cloud92 

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Posted 29 September 2018 - 19:43

View Postcrazyboy, on 28 September 2018 - 11:25, said:

Se inlocuieste nu se curata. Trebuie data chiulasa jos si vazut care anume e cu probleme.
Exact. Merg curatate cu sandblasting ( sablat ). Cam orice depunere de carbon o scoti prin sablat, dar nu vad de ce ar opta cineva pentru curatat cand te costa ~300 de lei sa le schimbi, mai mult e manopera
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#13 User is offline   crazyboy 

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Posted 30 September 2018 - 01:58

Nu inteleg cum ai ajuns la suma de 300 lei. O supapa e pe putin 100 lei oe sau daca mergi pe AE 50 lei. Eu unu daca dau chiulasa jos si umblu la ele le schimb pe toate. 24 supape + garnitura chiulasa + simeringuri supape + manopera = mai mult de 300 lei :)

This post has been edited by crazyboy: 30 September 2018 - 01:59

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#14 User is offline   Cloud92 

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Posted 04 October 2018 - 00:27

My bad, calculasem doar simeringurile
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#15 User is offline   Alexandru john 

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Posted 23 November 2018 - 13:30

Am si eu o problema am un bwm e65 si odata la o sapt imi apare in bord ca numai am apa la motor si nu se vede ca pierde apa pe niciunde , sa aiba garnitura de ghiuloasa impuscata?
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#16 User is offline   crazyboy 

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Posted 23 November 2018 - 13:55

View PostAlexandru john, on 23 November 2018 - 13:30, said:

Am si eu o problema am un bwm e65 si odata la o sapt imi apare in bord ca numai am apa la motor si nu se vede ca pierde apa pe niciunde , sa aiba garnitura de ghiuloasa impuscata?

Ce motor ?
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#17 User is offline   crtir 

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Posted 07 May 2019 - 11:20

Salutare tuturor !

Revin pe acest topic pt. colegul meu care de aceasta data intampina o alta problema. Doreste o reconditionare de turbina, mai exact schimbare de wastegate flappers ca in filmuletul din atasament. Daca cunoasteti vreun service din tara care sa ofere si garantie pt. tipul asta de lucrare, astept o recomandare din partea voastra. Mersi !

https://www.youtube....h?v=T__HOf6L49o

https://gcg.com.au/s...e-rattle-repair





This post has been edited by crtir: 07 May 2019 - 11:20

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#18 User is online   Magnusy 

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Posted 07 May 2019 - 12:25

View Postcrtir, on 07 May 2019 - 11:20, said:

Salutare tuturor !

Revin pe acest topic pt. colegul meu care de aceasta data intampina o alta problema. Doreste o reconditionare de turbina, mai exact schimbare de wastegate flappers ca in filmuletul din atasament. Daca cunoasteti vreun service din tara care sa ofere si garantie pt. tipul asta de lucrare, astept o recomandare din partea voastra. Mersi !

https://www.youtube....h?v=T__HOf6L49o

https://gcg.com.au/s...e-rattle-repair







Si eu am wastegate rattle la N55.. Am vorbit la AWD turbo si au zis ca repara si wastegate dar doar impreuna cu toata turbo. Garantie ofera standard; cost parca era undeva la ~3500 de lei.

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