{"id":3693,"date":"2016-01-10T17:06:22","date_gmt":"2016-01-10T17:06:22","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=3693"},"modified":"2016-03-10T17:30:31","modified_gmt":"2016-03-10T17:30:31","slug":"bruits-de-moteur-v6-a-double-turbocompresseur","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=3693","title":{"rendered":"Bruits de moteur V6 \u00e0 double turbocompresseur"},"content":{"rendered":"<p>On peut entendre un bruit sur certains mod\u00e8les Cadillac 2014-2016 \u00e9quip\u00e9s du moteur V6 bi-turbocompresseur (EFC LF3, LF4).<\/p>\n<p>&nbsp;<\/p>\n<p><b>Bruit de cliquetis au d\u00e9marrage \u00e0 froid au ralenti<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>Sur certains mod\u00e8les CTS-V Sport et XTS 2014-2016 \u00e9quip\u00e9s du moteur V6 3,6 l bi-turbo (EFC LF3), on peut entendre un cliquetis provenant du turbocompresseur lorsque le moteur est froid. Il s&#8217;agit d&#8217;un bruit au d\u00e9marrage \u00e0 froid au ralenti.<\/p>\n<p>&nbsp;<\/p>\n<p>Cliquer ci-dessous pour entendre un exemple du cliquetis (fig. 15).<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/sandyblogs.com\/techlink_french\/wp-content\/uploads\/2016\/03\/Turbocharger-rattle-during-Cold-Start.wav\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3677\" alt=\"F15 turbo sound when cold image\" src=\"http:\/\/sandyblogs.com\/techlink_french\/wp-content\/uploads\/2016\/03\/F15-turbo-sound-when-cold-image.png\" width=\"600\" height=\"539\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2016\/03\/F15-turbo-sound-when-cold-image.png 600w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2016\/03\/F15-turbo-sound-when-cold-image-300x269.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><strong>Fig 15\u00a0<\/strong><\/p>\n<p style=\"text-align: center;\">\n<p><b>CONSEIL :<\/b> Ne pas confondre ce bruit avec un bruit similaire entendu lors d&#8217;une mont\u00e9e soudaine du r\u00e9gime moteur.<\/p>\n<p>&nbsp;<\/p>\n<p>Si le cliquetis provient du turbocompresseur lorsque le moteur est froid, et que le bruit n&#8217;est pas forc\u00e9, un nouvel ensemble turbocompresseur est offert avec un ressort r\u00e9vis\u00e9 pour la soupape de d\u00e9charge afin de limiter le mouvement \u00e0 froid.<\/p>\n<p>&nbsp;<\/p>\n<p>Les nouveaux num\u00e9ros de pi\u00e8ce sont 12666538 (ensemble turbocompresseur \u2013 gauche) et 12666539 (ensemble turbocompresseur \u2013 droit) pour la CTS-V Sport et 12666540 (ensemble turbocompresseur \u2013 droit\/gauche) pour la XTS. Si le v\u00e9hicule est d\u00e9j\u00e0 \u00e9quip\u00e9 de ces num\u00e9ros de pi\u00e8ce, ne pas remplacer la pi\u00e8ce de nouveau.<\/p>\n<p>&nbsp;<\/p>\n<p><b>Bruit de cliquetis lors d&#8217;une mont\u00e9e soudaine du r\u00e9gime moteur<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>Un bref cliquetis peut \u00eatre entendu lors d&#8217;une mont\u00e9e soudaine du r\u00e9gime moteur sur certains mod\u00e8les CTS berline (NIV A) et XTS 2014-2016 \u00e9quip\u00e9s du moteur V6 3,6 l bi-turbocompresseur (EFC LF3) et certains mod\u00e8les ATS-V 2016 \u00e9quip\u00e9s du moteur V6 3,6 l bi-turbocompresseur (EFC LF4).<\/p>\n<p>&nbsp;<\/p>\n<p>Ce bruit est entendu lorsque le v\u00e9hicule est en positon de stationnement (P) ou au point mort (N); il peut parfois \u00eatre entendu au d\u00e9but ou \u00e0 la fin d&#8217;une acc\u00e9l\u00e9ration en marche avant. Le bref cliquetis est une caract\u00e9ristique normale du turbocompresseur \u00e0 d\u00e9pression. Ne pas remplacer le turbocompresseur pour ce probl\u00e8me.<\/p>\n<p>&nbsp;<\/p>\n<p>Cliquer ci-dessous pour entendre ce bruit normal du turbocompresseur (fig. 16).<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/sandyblogs.com\/techlink_french\/wp-content\/uploads\/2016\/03\/Turbocharger-rattle-when-revving-engine.mov\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3678\" alt=\"F16 turbo sound when revving image\" src=\"http:\/\/sandyblogs.com\/techlink_french\/wp-content\/uploads\/2016\/03\/F16-turbo-sound-when-revving-image.png\" width=\"600\" height=\"460\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2016\/03\/F16-turbo-sound-when-revving-image.png 600w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2016\/03\/F16-turbo-sound-when-revving-image-300x230.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><strong>Fig 16<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><i>&#8211; Merci \u00e0 Bryan Salisbury<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>On peut entendre un bruit sur certains mod\u00e8les Cadillac 2014-2016 \u00e9quip\u00e9s du moteur V6 bi-turbocompresseur (EFC LF3, LF4). &nbsp; Bruit de cliquetis au d\u00e9marrage \u00e0 froid au ralenti &nbsp; Sur [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3693","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/3693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3693"}],"version-history":[{"count":2,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/3693\/revisions"}],"predecessor-version":[{"id":3708,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/3693\/revisions\/3708"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}