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Old 05-08-2018, 07:34 PM   #1
mahfoud lichani
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Default Probleme 407 1.6 hdi 9hy

salut l'équipe
un casse tête que je n'arrive pas à résoudre
407 1.6 HDI moteur 9HY
elle m'a été confié pour "échange calculateur"
j'en clone un, pas de problème en lecture ni écriture
après télécodage de injecteurs et essai sur route, on détecte un petit son à l'accélération, pas de dtc, mais au paramètre une dérive de l'injecteur 3
je permute les injecteurs 2 et 3, le problème persiste
contrôle des connectivités, et faisceaux = RAS
j'envoie le véhicule chez un mécanicien, verdict échange de la série des poussoirs
le gars revient aujourd'hui, et rebellote
en pj les captures d'écran avant et après réparation
qu'en dites vous?
merci pour vos avis
bonne soirée
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File Type: rar débit après réparation.rar (70.6 KB, 13 views)
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Old 05-08-2018, 07:46 PM   #2
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Salut mahfoud
un petit son à l'accélération avant l'échange des poussoirs (tous ????)
et après l'échange des poussoirs : un son ou plus de son ????
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Old 05-08-2018, 07:50 PM   #3
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Salut,

Comme la permutation des injecteurs 2 et 3 ne change rien il va falloir approfondir du côté du cylindre 3.
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Old 05-08-2018, 07:59 PM   #4
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petit son avant et après réparation
@Pilouf: approfondir, ok, pas une petite idée ???

---------- Post added at 17h59 ---------- Previous post was at 17h58 ----------

salem
oui, c'est le mécano qui sen est occupé, il a même changé les 4
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Old 05-08-2018, 08:38 PM   #5
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salut il a changé quoi ?? les poussoirs hydraulique ?? la chaine et le tendeur ??
tu as un prob de pression d'huile ???
regarde si le carter d'huile est intact pas de choc ?? la crepine passe trés prés du fond !!
ensuite en demontant la contre culasse avec les AAC pas trop de pate a joint ???
si faut c'est la chaine qui grignote le carter !!
il faut revoir le travail !! sur la chaine, les basculeurs, le tendeur hydraulique et la pression d'huile
@++

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Old 05-08-2018, 09:01 PM   #6
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Drole de mecano , il y avait un bruit moteur
il change des pièces et toujours le bruit ????
il faut le savonner .....................
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Old 05-08-2018, 10:22 PM   #7
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Default 407

Quote:
Originally Posted by jphp View Post
salut il a changé quoi ?? les poussoirs hydraulique ?? la chaine et le tendeur ??
tu as un prob de pression d'huile ???
regarde si le carter d'huile est intact pas de choc ?? la crepine passe trés prés du fond !!
ensuite en demontant la contre culasse avec les AAC pas trop de pate a joint ???
si faut c'est la chaine qui grignote le carter !!
il faut revoir le travail !! sur la chaine, les basculeurs, le tendeur hydraulique et la pression d'huile
@++
salut
les poussoirs hydraulique ont été changés
il y en avait 3 hs
demain je lui en parle
merci
bonne soirée
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Old 05-09-2018, 07:46 AM   #8
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Quote:
Originally Posted by mahfoud lichani View Post
petit son avant et après réparation
@Pilouf: approfondir, ok, pas une petite idée ???[COLOR="Silver"]
Salut,

Il faudrait voir l'étanchéité, compression cylindre...
L'injecteur N°1 est aussi un peu élevé, bien que dans les normes.
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