{"id":5800,"date":"2018-03-29T18:38:17","date_gmt":"2018-03-29T18:38:17","guid":{"rendered":"https:\/\/techlinkfrench.mynetworkcontent.com\/?p=5800"},"modified":"2018-05-29T18:41:26","modified_gmt":"2018-05-29T18:41:26","slug":"problemes-de-changement-de-vitesse-causes-par-une-plaque-entretoise-trop-petite","status":"publish","type":"post","link":"https:\/\/gm-techlinkfrench.com\/?p=5800","title":{"rendered":"Probl\u00e8mes de changement de vitesse caus\u00e9s par une plaque entretoise trop petite"},"content":{"rendered":"<p>La bo\u00eete de vitesses automatique de certains mod\u00e8les Enclave, LaCrosse et Terrain 2018, du d\u00e9but de production jusqu&#8217;au 28 septembre 2017, peut pr\u00e9senter diff\u00e9rentes conditions de passage de vitesse. Ces probl\u00e8mes s&#8217;appliquent aux mod\u00e8les Enclave \u00e9quip\u00e9s de la bo\u00eete de vitesses automatique 9T65 (EFC M3W), LaCrosse \u00e9quip\u00e9s de la bo\u00eete de vitesses automatique 9T60 (EFC M3G) et Terrain \u00e9quip\u00e9s de la bo\u00eete de vitesses automatique 9T45 (EFC M3U) ou de la bo\u00eete de vitesses automatique 9T50 (EFC M3H).<\/p>\n<p>Pendant le r\u00e9chauffement (liquide de bo\u00eete de vitesses sous 0 \u00b0C (32 \u00b0F), une d\u00e9c\u00e9l\u00e9ration brusque peut survenir pendant le passage au rapport sup\u00e9rieur 1-2, comme si les freins \u00e9taient serr\u00e9s de fa\u00e7on momentan\u00e9e. La d\u00e9c\u00e9l\u00e9ration peut \u00e9galement se produire pendant un passage au rapport sup\u00e9rieur manuel 1-2. \u00c0 temp\u00e9rature de fonctionnement normal, un point mort momentan\u00e9 peut se produire pendant un passage au rapport sup\u00e9rieur 2-4, qui laisse la bo\u00eete de vitesses coinc\u00e9e au 2e rapport. Le t\u00e9moin d&#8217;anomalie peut \u00e9galement s&#8217;allumer.<\/p>\n<p>De plus, le code d&#8217;anomalie P2820 (\u00e9lectrovanne de commande de bo\u00eete de vitesses 9 coinc\u00e9e en position ferm\u00e9e) peut s&#8217;\u00e9tablir par temps froid apr\u00e8s trois d\u00e9faillance cons\u00e9cutives au cours du m\u00eame cycle de cl\u00e9, et la bo\u00eete de vitesses peut \u00eatre limit\u00e9e au fonctionnement en 1e vitesse.<\/p>\n<p>Inspecter la plaque entretoise de corps de soupape (fig. 10, no 1). Les probl\u00e8mes de passage de vitesse peuvent \u00eatre caus\u00e9s par un orifice de plaque entretoise trop petit (fig. 10, no 2), situ\u00e9 entre le corps de soupape et le carter de bo\u00eete de vitesses. Par cons\u00e9quent, la vanne s\u00e9lectrice d&#8217;embrayage se d\u00e9place lentement pour rel\u00e2cher l&#8217;embrayage une voie s\u00e9lectionnable, ce qui cause le coincement temporaire de la bo\u00eete de vitesses pendant le passage au rapport sup\u00e9rieur 1-2.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5783\" src=\"http:\/\/sandyblogs.com\/techlink_french\/wp-content\/uploads\/2018\/05\/F10-trans-spacer-plate.jpg\" alt=\"\" width=\"600\" height=\"292\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2018\/05\/F10-trans-spacer-plate.jpg 600w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2018\/05\/F10-trans-spacer-plate-300x146.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><strong>Fig. 10<\/strong><\/p>\n<p>Si l&#8217;orifice de la plaque entretoise mesure 0,5 mm (fig. 11, A), remplacer la plaque entretoise. Si l&#8217;orifice de la plaque entretoise mesure 2,0 mm (fig. 11, B) poursuivre le diagnostic pr\u00e9sent\u00e9 dans les renseignements techniques appropri\u00e9s.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5784\" src=\"http:\/\/sandyblogs.com\/techlink_french\/wp-content\/uploads\/2018\/05\/F11-trans-orifice.jpg\" alt=\"\" width=\"400\" height=\"248\" srcset=\"https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2018\/05\/F11-trans-orifice.jpg 400w, https:\/\/gm-techlinkfrench.com\/wp-content\/uploads\/2018\/05\/F11-trans-orifice-300x186.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><strong>Fig. 11<\/strong><\/p>\n<p><em>&#8211; Merci \u00e0 Mark Kevnick<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La bo\u00eete de vitesses automatique de certains mod\u00e8les Enclave, LaCrosse et Terrain 2018, du d\u00e9but de production jusqu&#8217;au 28 septembre 2017, peut pr\u00e9senter diff\u00e9rentes conditions de passage de vitesse. Ces [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5800","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/5800","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=5800"}],"version-history":[{"count":1,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/5800\/revisions"}],"predecessor-version":[{"id":5801,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=\/wp\/v2\/posts\/5800\/revisions\/5801"}],"wp:attachment":[{"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gm-techlinkfrench.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}