{"id":9201,"date":"2026-03-17T11:42:37","date_gmt":"2026-03-17T15:42:37","guid":{"rendered":"https:\/\/gm-techlinkfrench.com\/?p=9201"},"modified":"2026-04-17T11:49:20","modified_gmt":"2026-04-17T15:49:20","slug":"fuite-de-liquide-de-refroidissement-au-niveau-du-flexible-dentree-du-radiateur","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=9201","title":{"rendered":"Fuite de liquide de refroidissement au niveau du flexible d&#8217;entr\u00e9e du radiateur"},"content":{"rendered":"<p>Certains mod\u00e8les Colorado et Canyon des ann\u00e9es 2023 \u00e0 2026 peuvent pr\u00e9senter une fuite de liquide de refroidissement visible au niveau du raccord du flexible d&#8217;entr\u00e9e sup\u00e9rieur du radiateur ou un niveau de liquide de refroidissement insuffisant dans le r\u00e9servoir de trop-plein. Le code d&#8217;anomalie (DTC) P3075 (d\u00e9bit de liquide de refroidissement moteur trop faible) peut s&#8217;afficher dans le module de commande du moteur (ECM).<\/p>\n<p>La fuite au niveau du raccord rapide du flexible sup\u00e9rieur du radiateur peut \u00eatre due \u00e0 une d\u00e9t\u00e9rioration du joint du flexible d&#8217;entr\u00e9e. La fuite provient du joint du flexible d&#8217;entr\u00e9e du radiateur lui-m\u00eame et n&#8217;est pas due \u00e0 une d\u00e9faillance du radiateur. (Fig. 12; n\u00b0 1 : collier de serrage du flexible d&#8217;entr\u00e9e au niveau du radiateur; n\u00b0 2 : flexible d&#8217;entr\u00e9e du radiateur) Il n&#8217;est pas n\u00e9cessaire de remplacer le radiateur dans ce cas.<\/p>\n<p style=\"text-align: center;\">\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9202\" src=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F12-Radiator-2.png\" alt=\"\" width=\"740\" height=\"480\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F12-Radiator-2.png 740w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F12-Radiator-2-300x195.png 300w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F12-Radiator-2-200x130.png 200w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 12<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>L&#8217;usure des joints peut se traduire par des d\u00e9p\u00f4ts ou des accumulations plus ou moins importants, en fonction de l&#8217;utilisation du v\u00e9hicule et de son environnement d&#8217;exploitation. Un joint \u00e0 l\u00e8vre d\u00e9fectueux, qui se caract\u00e9rise g\u00e9n\u00e9ralement par un aplatissement du mat\u00e9riau et une accumulation de r\u00e9sidus autour du raccord, indique une d\u00e9t\u00e9rioration du joint plut\u00f4t qu&#8217;un d\u00e9faut du radiateur (Fig. 13).<\/p>\n<p style=\"text-align: center;\">\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-9203\" src=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F13-Radiator-1-1024x710.png\" alt=\"\" width=\"740\" height=\"513\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F13-Radiator-1-1024x710.png 1024w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F13-Radiator-1-300x208.png 300w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F13-Radiator-1-768x532.png 768w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F13-Radiator-1-780x540.png 780w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2026\/04\/F13-Radiator-1.png 1091w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Fig. 13<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Si une fuite est d\u00e9tect\u00e9e, vidanger le circuit de refroidissement et remplacer le flexible d&#8217;entr\u00e9e du radiateur. S&#8217;assurer que tous les d\u00e9bris ont \u00e9t\u00e9 \u00e9limin\u00e9s avant que le flexible ne soit retir\u00e9 afin d&#8217;\u00e9viter d&#8217;introduire des contaminants dans le syst\u00e8me.<\/p>\n<p>Avant d&#8217;installer le nouveau flexible d&#8217;entr\u00e9e du radiateur, il est recommand\u00e9 d&#8217;utiliser un chiffon propre et non pelucheux pour essuyer le raccord du radiateur afin de retirer toute trace de salet\u00e9 pouvant provenir du tuyau de liquide de refroidissement. Avant d&#8217;installer le nouveau tuyau, la surface doit \u00eatre lisse et exempte de toute salissure.<\/p>\n<p>Pour plus d&#8217;information, se reporter au bulletin n\u00b0 PIT6494.<\/p>\n<p>&nbsp;<\/p>\n<p><em>&#8211; Merci \u00e0 Nick Flannery<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Certains mod\u00e8les Colorado et Canyon des ann\u00e9es 2023 \u00e0 2026 peuvent pr\u00e9senter une fuite de liquide de refroidissement visible au niveau du raccord du flexible d&#8217;entr\u00e9e sup\u00e9rieur du radiateur ou [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-9201","post","type-post","status-publish","format-standard","hentry","category-2026-march"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/9201","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=9201"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/9201\/revisions"}],"predecessor-version":[{"id":9204,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/9201\/revisions\/9204"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}