{"id":41076,"date":"2025-03-03T09:54:36","date_gmt":"2025-03-03T09:54:36","guid":{"rendered":"https:\/\/www.dayco.com\/?post_type=techhub&#038;p=41076"},"modified":"2025-03-04T17:08:28","modified_gmt":"2025-03-04T17:08:28","slug":"comment-corriger-le-bruit-dune-courroie-auxiliaire","status":"publish","type":"techhub","link":"https:\/\/www.dayco.com\/na-fr\/techhub\/comment-corriger-le-bruit-dune-courroie-auxiliaire\/","title":{"rendered":"Comment corriger le bruit d\u2019une courroie auxiliaire"},"content":{"rendered":"[vc_row type=\u00a0\u00bbfull_width_background\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#f4f4f4&Prime; scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-4-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_custom_heading source=\u00a0\u00bbpost_title\u00a0\u00bb font_container=\u00a0\u00bbtag:h1|text_align:left\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbLa v\u00e9ritable raison pour laquelle des courroies grincent, crissent ou font d\u2019autres bruits\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][divider line_type=\u00a0\u00bbSmall Line\u00a0\u00bb line_alignment=\u00a0\u00bbdefault\u00a0\u00bb line_thickness=\u00a0\u00bb2&Prime; divider_color=\u00a0\u00bbaccent-color\u00a0\u00bb animate=\u00a0\u00bbyes\u00a0\u00bb custom_height=\u00a0\u00bb40&Prime; custom_line_width=\u00a0\u00bb130&Prime;][vc_column_text]Si une courroie auxiliaire nouvellement install\u00e9e fait du bruit, cela refl\u00e8te un probl\u00e8me dans le syst\u00e8me d\u2019entra\u00eenement avant du moteur. Le bruit d\u2019une courroie auxiliaire est similaire \u00e0 un t\u00e9moin \u00ab\u00a0V\u00e9rifier le moteur\u00a0\u00bb qui indique qu\u2019il y a un probl\u00e8me avec le syst\u00e8me d\u2019entra\u00eenement par courroie. Mais \u00e9tonnamment, le plus souvent, la courroie n\u2019est pas la cause.<\/p>\n<h2>Grincements et crissements\u00a0: les bruits les plus courants d\u2019une courroie auxiliaire<\/h2>\n<p>Il existe deux types de bruits qu\u2019une courroie auxiliaire produit g\u00e9n\u00e9ralement. L\u2019un est un crissement, l\u2019autre est un grincement. Ces deux types de bruits r\u00e9sultent de probl\u00e8mes diff\u00e9rents au sein du syst\u00e8me d\u2019entra\u00eenement avant.<\/p>\n<h3>Crissement d\u2019une courroie auxiliaire<\/h3>\n<p>Le crissement d\u2019une courroie auxiliaire produit une s\u00e9rie de sons aigus, intermittents et \u00ab\u00a0rythmiques\u00a0\u00bb. \u00c0 mesure que la vitesse de la courroie augmente, le tangage de la courroie et le volume du bruit restent constants, ce qui explique pourquoi vous entendez un crissement continu lors de l\u2019acc\u00e9l\u00e9ration.<\/p>\n<h4>Six raisons pour un crissement<\/h4>\n<ul>\n<li>Mauvais alignement de la poulie, la cause n\u00b0\u00a01 de bruit<\/li>\n<li>Installation incorrecte<\/li>\n<li>Nervures de la courroie us\u00e9es<\/li>\n<li>Roulements de poulie us\u00e9s, causant un battement axial ou par un balancement libre excessif<\/li>\n<li>Contamination par de l\u2019huile,du liquide de direction assist\u00e9e, de l\u2019antigel ou de l\u2019appr\u00eat pour courroie<\/li>\n<li>Une courroie de mauvaise qualit\u00e9 a \u00e9t\u00e9 install\u00e9e<\/li>\n<\/ul>\n<h4>Solutions pour les crissements refl\u00e9tant un mauvais alignement<\/h4>\n<ul>\n<li>V\u00e9rifiez l\u2019alignement de toutes les poulies, avec une r\u00e8gle droite ou un <a style=\"text-decoration: underline;\" href=\"\/na-fr\/outils\/outils-dinstallation\/\">outil d\u2019alignement \u00e0 laser<\/a>.<\/li>\n<li>Assurez-vous que toutes les poulies et tous les supports d\u2019accessoires sont bien serr\u00e9s sur leurs surfaces de montage.<\/li>\n<li>Inspectez et remplacez tous les accessoires et poulies difficiles \u00e0 faire tourner en raison de roulements irr\u00e9guliers ou gripp\u00e9s, ou pr\u00e9sentant une oscillation excessive ou un battement axial. N\u2019oubliez pas que des poulies de direction assist\u00e9e ou des amortisseurs de vibrations us\u00e9s peuvent \u00e9galement causer un mauvais alignement.<\/li>\n<\/ul>\n<h3>Grincement d\u2019une courroie auxiliaire<\/h3>\n<p>Un grincement est aigu, dure plusieurs secondes et peut changer de volume, mais pas de ton.<\/p>\n<h4>Les trois principales raisons pour un grincement<\/h4>\n<ol>\n<li>Tension de courroie faible caus\u00e9e par une faible tension d\u2019installation, une courroie \u00e9tir\u00e9e, une usure extr\u00eame de la courroie, une d\u00e9gradation du ressort de tension ou une courroie trop longue.<\/li>\n<li>R\u00e9sistance \u00e9lev\u00e9e d\u2019une poulie folle ou d\u2019une poulie d\u2019accessoire \u00e0 cause de roulements gripp\u00e9s ou d\u2019une d\u00e9faillance ou du blocage d\u2019un accessoire.<\/li>\n<li>Contamination du liquide sur la courroie caus\u00e9e par exposition \u00e0 de l\u2019appr\u00eat pour courroie, \u00e0 de l\u2019huile, \u00e0 de l\u2019antigel ou \u00e0 un autre produit chimique.<\/li>\n<\/ol>\n<h4>Solutions pour les grincements de courroie<\/h4>\n<ul>\n<li>Les applications \u00e0 tension manuelle doivent \u00eatre v\u00e9rifi\u00e9es pour s\u2019assurer que leur tension est appropri\u00e9e (\u00e0 35\u00a0lb pour chaque nervure), puis retendues apr\u00e8s 5\u00a0minutes de rodage (\u00e0 30\u00a0lb pour chaque nervure). Cela permet \u00e0 la courroie de bien s\u2019ins\u00e9rer dans les poulies.<\/li>\n<li>Sur les v\u00e9hicules \u00e9quip\u00e9s de tendeurs de courroie automatiques, la poulie du tendeur doit tourner librement sans se coincer et le bras du tendeur doit se d\u00e9placer sans \u00e0-coups sur toute sa plage de mouvement avec une tension ad\u00e9quate.<\/li>\n<li>Toujours v\u00e9rifier l\u2019absence de bruit et d\u2019usure dans le palier du tendeur. Remplacer tout tendeur dont le roulement para\u00eet rugueux ou dont la poulie pr\u00e9sente un voile.<\/li>\n<li>Tandis que la courroie est retir\u00e9e, inspectez toutes les poulies folles et poulies d\u2019accessoires pour vous assurer qu\u2019elles tournent de mani\u00e8re libre et fluide. En cas de grippage ou de rotation irr\u00e9guli\u00e8re due \u00e0 un roulement sec, remplacer la poulie ou l\u2019accessoire.<\/li>\n<li>Si la courroie est contamin\u00e9e par de l\u2019huile moteur, du liquide de direction assist\u00e9e, de l\u2019antigel ou tout autre lubrifiant \u00e0 base de p\u00e9trole, cela s\u2019affaiblira et pourra m\u00eame faire gonfler la courroie en EPDM et cr\u00e9er du bruit. Toute courroie auxiliaire qui a \u00e9t\u00e9 imbib\u00e9e d\u2019huile doit \u00eatre remplac\u00e9e<\/li>\n<li>Ne JAMAIS essayer de r\u00e9soudre les probl\u00e8mes d\u2019appr\u00eat pour courroie.<\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb bg_color=\u00a0\u00bb#0174a7&Prime; scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bblight\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb shape_type=\u00a0\u00bb\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbpadding-4-percent\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/1&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text]\n<h2>Pour en savoir plus sur les probl\u00e8mes de bruit ou d\u2019usure des courroies et pour obtenir des conseils rapides sur comment les r\u00e9soudre, regardez cette <a class=\"link_white_underlined\" href=\"https:\/\/www.dayco.com\/na-fr\/techhub\/5-conseils-dentretien-dune-courroie-auxiliaire\/\">vid\u00e9o<\/a><\/h2>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>Si une courroie auxiliaire nouvellement install\u00e9e fait du bruit, cela refl\u00e8te un probl\u00e8me dans le syst\u00e8me d\u2019entra\u00eenement avant du moteur.<\/p>\n","protected":false},"featured_media":39243,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"topic":[2753],"contenttype":[2223],"th_application":[2306],"th_product":[2374],"class_list":["post-41076","techhub","type-techhub","status-publish","has-post-thumbnail","topic-resolucion-de-problemas-na-fr","contenttype-articles-techniques","th_application-poids-lourds","th_product-courroies"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Dayco | Comment corriger le bruit d\u2019une courroie auxiliaire - NAM | FR<\/title>\n<meta name=\"description\" content=\"Il existe deux types de bruit de courroie de voiture\u00a0: des grincements ou des crissements. 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