{"id":417010,"date":"2016-01-30T11:46:02","date_gmt":"2016-01-30T11:46:02","guid":{"rendered":"http:\/\/www.tunisietuning.com\/magazine\/?p=417010"},"modified":"2018-02-09T14:44:41","modified_gmt":"2018-02-09T14:44:41","slug":"la-cremaillere-de-direction","status":"publish","type":"post","link":"https:\/\/motors.tn\/magazine\/entretien\/la-cremaillere-de-direction\/","title":{"rendered":"La cr\u00e9maill\u00e8re de direction"},"content":{"rendered":"<p style=\"text-align: justify;\">La cr\u00e9maill\u00e8re de direction est le syst\u00e8me m\u00e9canique qui assure \u00e0 l\u2019automobiliste la rotation des roues de son v\u00e9hicule vers la direction qu\u2019il voudrait prendre.<\/p>\n<p style=\"text-align: justify;\">En effet, le prolongement du mouvement donn\u00e9 au volant par la colonne de direction permet via un syst\u00e8me de pignon le d\u00e9placement lat\u00e9ral de la tige de la cr\u00e9maill\u00e8re vers la droite ou la gauche. Cette tige est li\u00e9e par ses extr\u00e9mit\u00e9s aux roues \u00e0 travers ce que l\u2019on appelle les biellettes de direction. Finalement, on dit qu\u2019un v\u00e9hicule poss\u00e8de un syst\u00e8me de direction assist\u00e9e quand l\u2019entrainement de la cr\u00e9maill\u00e8re ne se fait pas uniquement par la force de rotation du volant, mais dispose d\u2019une assistance qui pourrait \u00eatre hydraulique ou \u00e9lectrique.<\/p>\n<p style=\"text-align: justify;\">\u00a0<strong>Sympt\u00f4mes de fatigue\u00a0?<\/strong><\/p>\n<p style=\"text-align: justify;\">Quand on remarque un jeu m\u00eame infime dans le volant, la cr\u00e9maill\u00e8re de direction doit \u00eatre inspect\u00e9e au plus vite. Une r\u00e9sistance anormale ou une lourdeur est aussi un sympt\u00f4me de fatigue de cette pi\u00e8ce. Le syst\u00e8me d\u2019assistance peut \u00e0 son tour l\u00e2cher au bout d\u2019une certaine p\u00e9riode d\u2019utilisation. Il ne faut pas h\u00e9siter \u00e0 d\u00e9celer chaque bruit qui peut provenir de la direction et de ne pas prendre \u00e0 la l\u00e9g\u00e8re les messages de l\u2019ordinateur de bord tels que le t\u00e9moin \u00ab\u00a0d\u00e9faut direction assist\u00e9e\u00a0\u00bb (Volant oranger et un point d\u2019exclamation \u00e0 droite \u00ab\u00a0!\u00a0\u00bb ) cela pourrait s\u2019av\u00e9rer fatal pour le v\u00e9hicule voire dangereux pour les usagers.<\/p>\n<p style=\"text-align: justify;\"><strong>Ce que Motors.tn\u00a0pr\u00e9conise :<\/strong><\/p>\n<p style=\"text-align: justify;\">Motors.tn\u00a0pr\u00e9conise une inspection de la cr\u00e9maill\u00e8re toutes les 100 milles KM en moyenne mais cela reste une moyenne qui d\u00e9pend non seulement des marques mais aussi de l\u2019utilisation du v\u00e9hicule. On conseille aussi d\u2019\u00e9viter de garer sa voiture avec les roues braqu\u00e9es ainsi qu\u2019\u00e9viter les terrains accident\u00e9s car cela pourrait causer une usure pr\u00e9matur\u00e9e de la cr\u00e9maill\u00e8re de direction.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La cr\u00e9maill\u00e8re de direction est le syst\u00e8me m\u00e9canique qui assure \u00e0 l\u2019automobiliste la rotation des roues de son v\u00e9hicule vers la direction qu\u2019il voudrait prendre. En effet, le prolongement du mouvement donn\u00e9 au volant par la colonne de direction permet via un syst\u00e8me de pignon le d\u00e9placement lat\u00e9ral de la tige de la cr\u00e9maill\u00e8re vers &#8230; <a title=\"La cr\u00e9maill\u00e8re de direction\" class=\"read-more\" href=\"https:\/\/motors.tn\/magazine\/entretien\/la-cremaillere-de-direction\/\" aria-label=\"En savoir plus sur La cr\u00e9maill\u00e8re de direction\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":417478,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[127],"tags":[],"class_list":["post-417010","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entretien"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La cr\u00e9maill\u00e8re de direction : Signes de fatigue et 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