{"id":7230,"date":"2020-10-11T15:58:56","date_gmt":"2020-10-11T19:58:56","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=7230"},"modified":"2020-12-11T16:26:46","modified_gmt":"2020-12-11T21:26:46","slug":"fuite-potentielle-dhuile-du-joint-du-support-de-larbre-a-cames","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=7230","title":{"rendered":"Fuite potentielle d&#8217;huile du joint du support de l&#8217;arbre \u00e0 cames"},"content":{"rendered":"<p>Une fuite d&#8217;huile potentielle provenant du joint du support d&#8217;arbre \u00e0 cames peut \u00eatre trouv\u00e9e sur certains mod\u00e8les 2019 CT6; 2019-2021 XT4; 2020-2021 Acadia, Blazer, CT4, CT5, XT5 et XT6 \u00e9quip\u00e9s du moteur 4 cylindres de 2,0 litres (EFC LSY). Sur ces moteurs, il se peut qu&#8217;une quantit\u00e9 inad\u00e9quate de produit d&#8217;\u00e9tanch\u00e9it\u00e9 soit appliqu\u00e9e sur les zones recommand\u00e9es du joint en T du support d&#8217;arbre \u00e0 cames.<\/p>\n<p>Recherchez une fuite d&#8217;huile moteur \u00e0 l&#8217;avant du moteur. Pour plus d&#8217;informations sur le diagnostic des fuites d&#8217;huile, consultez les informations de service appropri\u00e9es.<\/p>\n<p>Si vous soup\u00e7onnez une fuite d&#8217;huile, \u00e9vacuez toute l&#8217;huile r\u00e9siduelle \u00e0 l&#8217;avant du moteur, ajoutez un colorant \u00e0 l&#8217;huile et laissez tourner le moteur jusqu&#8217;\u00e0 ce qu&#8217;une fuite soit observ\u00e9e. (Fig. 20)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13773\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F20-cam-1.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F20-cam-1.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F20-cam-1-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F20-cam-1-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F20-cam-1-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 20<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Utilisez la lumi\u00e8re noire pour mettre en valeur le colorant de l&#8217;huile. (Fig. 21) Une fois qu&#8217;une fuite est confirm\u00e9e, inspectez l&#8217;avant de la zone du joint en T du support d&#8217;arbre \u00e0 cames du moteur.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13774\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F21-cam-2.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F21-cam-2.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F21-cam-2-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F21-cam-2-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F21-cam-2-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 21<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Si la fuite d&#8217;huile est isol\u00e9e au niveau du joint en T du support d&#8217;arbre \u00e0 cames, il faut refermer l&#8217;ensemble du support d&#8217;arbre \u00e0 cames.<\/p>\n<p>Appliquez un cordon de RTV de 5 mm (0,2 po) en haut et en bas du nouveau joint du couvercle de l&#8217;arbre \u00e0 cames pour remplir le joint en T. (Fig 22)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-13775\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F22-cam-3.png\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" srcset=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F22-cam-3.png 740w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F22-cam-3-300x195.png 300w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F22-cam-3-85x55.png 85w, https:\/\/gm-techlink.com\/wp-content\/uploads\/2020\/10\/F22-cam-3-200x130.png 200w\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 22<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Merci \u00e0 Robert Halas<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une fuite d&#8217;huile potentielle provenant du joint du support d&#8217;arbre \u00e0 cames peut \u00eatre trouv\u00e9e sur certains mod\u00e8les 2019 CT6; 2019-2021 XT4; 2020-2021 Acadia, Blazer, CT4, CT5, XT5 et XT6 [&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-7230","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7230","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=7230"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7230\/revisions"}],"predecessor-version":[{"id":7231,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7230\/revisions\/7231"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}