{"id":7685,"date":"2022-04-30T03:25:43","date_gmt":"2022-04-30T07:25:43","guid":{"rendered":"https:\/\/gm-techlinkfrench.com\/?p=7685"},"modified":"2022-08-03T15:26:03","modified_gmt":"2022-08-03T19:26:03","slug":"problemes-de-secousses-liees-au-moteur","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=7685","title":{"rendered":"Probl\u00e8mes de secousses li\u00e9es au moteur"},"content":{"rendered":"<p style=\"font-weight: 400;\">Des secousses ou un emballement peuvent \u00eatre ressentis \u00e0 vitesse constante sur certains v\u00e9hicules Corvette, Silverado, Sierra 2014-2022; Tahoe, Suburban, Yukon, Escalade 2015-2022; Camaro 2016-2022; Silverado HD, Sierra HD 2020-2022; Express, Savana 2021-2022; et CT5 2022 \u00e9quip\u00e9s d&#8217;un moteur 4,3 L (RPO LV3), 5,3 L (RPO L82, L83, L84), 6,2 L (RPO LT1, LT2, LT4, L86, L87) ou 6,6 L (RPO L8T). Le coincement de l&#8217;aimant de l&#8217;actionneur d&#8217;arbre \u00e0 cames peut en \u00eatre la cause (fig. 7, n\u00ba 2).<\/p>\n<p style=\"font-weight: 400;\">\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16169\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2022\/04\/F07-camshaft-2.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 7<\/strong><\/p>\n<p style=\"font-weight: 400;\">\n<p style=\"font-weight: 400;\">Avant d&#8217;entreprendre toute r\u00e9paration, d\u00e9terminer que la condition est li\u00e9e au moteur et non \u00e0 la bo\u00eete de vitesses. Surveiller le param\u00e8tre de variation de position de l&#8217;arbre \u00e0 cames dans GDS2 tout en reproduisant la condition de secousse. L&#8217;\u00e9cart cible est de 0 degr\u00e9, mais un \u00e9cart de 3 ou 4 degr\u00e9s peut se produire dans un syst\u00e8me fonctionnant normalement. Tout \u00e9cart de plus de 3 ou 4 degr\u00e9s peut causer une condition perceptible de secousse ou d&#8217;emballement.<\/p>\n<p style=\"font-weight: 400;\">Voici quelques exemples de graphiques \u00e0 lignes du GDS2 pour l&#8217;actionneur d&#8217;arbre \u00e0 cames indiquant un fonctionnement normal (\u00e9cart de moins de 4 degr\u00e9s) et un fonctionnement anormal (fig. 8).<\/p>\n<p style=\"font-weight: 400;\">\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16170\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2022\/04\/F08-camshaft-1.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 8<\/strong><\/p>\n<p style=\"font-weight: 400;\">\n<p style=\"font-weight: 400;\">Si le probl\u00e8me se limite \u00e0 l&#8217;actionneur d&#8217;arbre \u00e0 cames, remplacer l&#8217;aimant de l&#8217;actionneur d&#8217;arbre \u00e0 cames et \u00e9valuer le fonctionnement du syst\u00e8me. Se reporter \u00e0 la rubrique Remplacement de l&#8217;aimant de l&#8217;actionneur de position d&#8217;arbre \u00e0 cames dans l&#8217;Information de service pertinente.<\/p>\n<p style=\"font-weight: 400;\">Pour obtenir de plus amples renseignements et les num\u00e9ros de pi\u00e8ce, se reporter au bulletin 22-NA-080.<\/p>\n<p style=\"font-weight: 400;\">\n<p style=\"font-weight: 400;\"><em>&#8211; Merci \u00e0 Bryan Salisbury<\/em><\/p>\n<p style=\"font-weight: 400;\">\n<p style=\"font-weight: 400;\">\n","protected":false},"excerpt":{"rendered":"<p>Des secousses ou un emballement peuvent \u00eatre ressentis \u00e0 vitesse constante sur certains v\u00e9hicules Corvette, Silverado, Sierra 2014-2022; Tahoe, Suburban, Yukon, Escalade 2015-2022; Camaro 2016-2022; Silverado HD, Sierra HD 2020-2022; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[],"class_list":["post-7685","post","type-post","status-publish","format-standard","hentry","category-2022-april"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7685","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=7685"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7685\/revisions"}],"predecessor-version":[{"id":7686,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/7685\/revisions\/7686"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}