{"id":8873,"date":"2025-09-01T01:00:50","date_gmt":"2025-09-01T05:00:50","guid":{"rendered":"https:\/\/gm-techlinkfrench.com\/?p=8873"},"modified":"2025-11-19T10:33:19","modified_gmt":"2025-11-19T15:33:19","slug":"bourdonnement-ou-ronflement-du-ventilateur-de-refroidissement-des-phares","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=8873","title":{"rendered":"Bourdonnement ou ronflement du ventilateur de refroidissement des phares"},"content":{"rendered":"<p style=\"font-weight: 400;\">Un bourdonnement ou ronflement peut provenir de l&#8217;avant de certains mod\u00e8les Tahoe, Suburban, Yukon et Escalade 2025 (Fig. 4). Le son peut \u00eatre le support de phare qui amplifie la r\u00e9sonance normale du ventilateur de refroidissement de phare.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20409\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/10\/F04-Headlamp-3.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 4<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Le ventilateur de refroidissement de phare dirige le d\u00e9bit d&#8217;air sur les composants pour aider \u00e0 dissiper la chaleur, ce qui active les ampoules \u00e0 DEL pour un fonctionnement \u00e0 des niveaux optimaux de temp\u00e9rature. Un contact direct entre l&#8217;ensemble de phare et la carrosserie du v\u00e9hicule peut entra\u00eener une augmentation de la vibration et du bruit de la bo\u00eete de vitesses.<\/p>\n<p style=\"font-weight: 400;\">Pour d\u00e9terminer si le ventilateur de refroidissement interne est la source du bruit, v\u00e9rifier l&#8217;ensemble de phare avec le commutateur de phare allum\u00e9 et \u00e9teint. Mettre les phares sous tension et hors tension tout en surveillant les changements dans le son de ronflement\/bourdonnement. Desserrer le phare et le repositionner pour observer tout changement de bruit ou de vibration.<\/p>\n<p style=\"font-weight: 400;\">Si l&#8217;ensemble de phare est confirm\u00e9 comme \u00e9tant la cause principale, appliquer des carr\u00e9s de 1 pouce de ruban de caoutchouc butyle avec support en aluminium aux emplacements de montage des phares (Fig. 5, Tahoe illustr\u00e9).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-20414\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/10\/F05-Headlamp-2.jpg\" alt=\"\" width=\"611\" height=\"486\" \/><strong>Fig. 5<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Le ruban en caoutchouc butyle avec support en aluminium (Fig. 6) amortira la vibration et \u00e9liminera le transfert de r\u00e9sonance aux panneaux de carrosserie environnants.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20412\" src=\"https:\/\/gm-techlink.com\/wp-content\/uploads\/2025\/10\/F06-Headlamp-1.jpg\" alt=\"\" width=\"740\" height=\"480\" \/><strong>Fig. 6<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Se reporter au bulletin n\u00b0 25-NA-250 pour en savoir plus et conna\u00eetre les num\u00e9ros de pi\u00e8ces.<\/p>\n<p style=\"font-weight: 400;\"><em>&#8211; Merci \u00e0 Rich Renshaw<\/em><\/p>\n<p style=\"font-weight: 400;\">\n","protected":false},"excerpt":{"rendered":"<p>Un bourdonnement ou ronflement peut provenir de l&#8217;avant de certains mod\u00e8les Tahoe, Suburban, Yukon et Escalade 2025 (Fig. 4). Le son peut \u00eatre le support de phare qui amplifie la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"class_list":["post-8873","post","type-post","status-publish","format-standard","hentry","category-2025-september"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8873","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=8873"}],"version-history":[{"count":2,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8873\/revisions"}],"predecessor-version":[{"id":8898,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/8873\/revisions\/8898"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}