{"id":1966,"date":"2026-03-11T11:01:29","date_gmt":"2026-03-11T10:01:29","guid":{"rendered":"https:\/\/www.motointegrator.de\/blog\/test-fr\/\/?p=1966"},"modified":"2026-02-12T09:46:52","modified_gmt":"2026-02-12T08:46:52","slug":"segment-de-piston-defectueux","status":"publish","type":"post","link":"https:\/\/www.moto-integrator.be\/blog\/segment-de-piston-defectueux\/","title":{"rendered":"Segment de piston d\u00e9fectueux"},"content":{"rendered":"<p>Dans une voiture, ce sont souvent les petites pi\u00e8ces invisibles qui provoquent les pannes les plus co\u00fbteuses. Le segment de piston en est un exemple typique. Discret, cach\u00e9 \u00e0 l\u2019int\u00e9rieur du moteur, il joue pourtant un r\u00f4le d\u00e9cisif. Lorsqu\u2019il s\u2019use ou se casse, les cons\u00e9quences peuvent aller jusqu\u2019\u00e0 la casse moteur.<\/p>\n<h2>Le segment de piston : une pi\u00e8ce simple mais essentielle<\/h2>\n<p>Dans presque tous les moteurs \u00e0 combustion interne, chaque piston poss\u00e8de deux ou trois segments. Ils se logent dans des rainures situ\u00e9es dans la partie sup\u00e9rieure du piston. Contrairement \u00e0 un anneau ferm\u00e9, un segment pr\u00e9sente une ouverture. Cette fente facilite le montage et permet la dilatation du m\u00e9tal lorsque la temp\u00e9rature augmente fortement.<\/p>\n<p>Malgr\u00e9 leur apparente simplicit\u00e9, les segments de piston sont des pi\u00e8ces de haute pr\u00e9cision. Ils remplissent trois fonctions fondamentales :<\/p>\n<ul>\n<li>assurer l\u2019\u00e9tanch\u00e9it\u00e9 entre la chambre de combustion et le carter moteur,<\/li>\n<li>r\u00e9partir uniform\u00e9ment l\u2019huile sur la paroi du cylindre,<\/li>\n<li>transmettre une partie de la chaleur du piston vers le cylindre.<\/li>\n<\/ul>\n<p>Le moteur impose aux segments des contraintes m\u00e9caniques et thermiques \u00e9lev\u00e9es. Avec le temps, l\u2019usure devient in\u00e9vitable. Dans certains cas, un segment peut m\u00eame se fissurer ou se briser.<\/p>\n<h2>Comment reconna\u00eetre un segment de piston d\u00e9fectueux ?<\/h2>\n<p>En r\u00e8gle g\u00e9n\u00e9rale, un segment de piston dure aussi longtemps que le moteur. Sur un moteur fortement kilom\u00e9tr\u00e9, l\u2019usure provoque une consommation d\u2019huile l\u00e9g\u00e8rement plus \u00e9lev\u00e9e. Les ar\u00eates des segments s\u2019arrondissent et raclent moins efficacement l\u2019huile sur la paroi du cylindre. Une petite hausse de consommation reste normale.<\/p>\n<p>En revanche, une usure anormale ou une rupture entra\u00eene des sympt\u00f4mes clairs.<\/p>\n<h3>1. Consommation d\u2019huile excessive<\/h3>\n<p>Si vous devez ajouter de l\u2019huile fr\u00e9quemment, le segment peut ne plus assurer son r\u00f4le d\u2019\u00e9tanch\u00e9it\u00e9. L\u2019huile p\u00e9n\u00e8tre alors dans la chambre de combustion et br\u00fble avec le carburant.<\/p>\n<h3>2. Perte de puissance<\/h3>\n<p>Un segment us\u00e9 ne maintient plus une compression correcte. La pression dans le cylindre diminue, la combustion perd en efficacit\u00e9 et le moteur devient moins performant.<\/p>\n<h3>3. Fum\u00e9e bleue \u00e0 l\u2019\u00e9chappement<\/h3>\n<p>Une fum\u00e9e bleut\u00e9e accompagn\u00e9e d\u2019une odeur d\u2019huile br\u00fbl\u00e9e indique que le moteur consomme de l\u2019huile. Ce sympt\u00f4me reste l\u2019un des signes les plus \u00e9vidents.<\/p>\n<h2>Quels risques en cas de segment de piston d\u00e9fectueux ?<\/h2>\n<p>Ignorer un segment de piston endommag\u00e9 expose le moteur \u00e0 des dommages progressifs.<\/p>\n<p>Dans un premier temps, seule la consommation d\u2019huile augmente. Ensuite, l\u2019huile br\u00fbl\u00e9e laisse des d\u00e9p\u00f4ts de calamine dans le cylindre. Ces r\u00e9sidus peuvent perturber le fonctionnement des soupapes et des injecteurs.<\/p>\n<p>Si les segments se bloquent dans leurs rainures, ils rayent la paroi du cylindre. La compression chute davantage et la puissance diminue encore. \u00c0 ce stade, la r\u00e9paration devient plus co\u00fbteuse.<\/p>\n<p>Dans le sc\u00e9nario le plus grave, le film d\u2019huile se rompt compl\u00e8tement. Le piston frotte directement contre le cylindre. Cette friction extr\u00eame peut provoquer un grippage du piston. Le moteur s\u2019arr\u00eate brutalement et n\u00e9cessite une r\u00e9fection compl\u00e8te.<\/p>\n<p>Un remplacement pr\u00e9coce des segments de piston co\u00fbte nettement moins cher qu\u2019une r\u00e9paration suite \u00e0 une casse moteur.<\/p>\n<div class=\"product-slider\" style=\"--swiper-theme-color: #d80812;--swiper-navigation-size: 22px;--swiper-navigation-sides-offset: -25px;\"><div class=\"slider-title\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><h2>Acheter des pistons en ligne \u00e0 bas prix<\/h2><\/div><div class=\"swiper\"><div class=\"swiper-wrapper\"><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/qurcdyw5ivddezkr20um.jpg\" alt=\"41190\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1926176-kit-chaine-de-distribution-ina-559-0199-30\" target=\"_blank\">Kit cha\u00eene de distribution INA 559 0199 30<\/a><p>Ina<\/p><div class=\"price-container\"><p class=\"price\">76.64 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/uakkrrmtuqqbybbut2my.jpg\" alt=\"47332\" \/><a 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0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/xalv1tf3torrvp8vybhc.jpg\" alt=\"46217\" \/><a 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0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/mbjeoz8xbvkiujwpdxwm.jpg\" alt=\"46694\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1442509-kit-distribution-avec-pompe-a-eau-dayco-ktbwp9590\" target=\"_blank\">Kit distribution avec pompe \u00e0 eau DAYCO KTBWP9590<\/a><p>Dayco<\/p><div class=\"price-container\"><p class=\"price\">78.44 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/yj6zxfikqgucvebhv8fb.jpg\" alt=\"41719\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1718889-galet-tendeur-courroie-daccessoire-ina-531-0309-10\" target=\"_blank\">Galet tendeur, courroie d'accessoire INA 531 0309 10<\/a><p>Ina<\/p><div class=\"price-container\"><p class=\"price\">18.34 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/sauuvjkd3opoc3xmh1s7.jpg\" alt=\"42425\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1458119-kit-de-reparation-coupelle-de-suspension-sachs-803-054\" target=\"_blank\">Kit de r\u00e9paration, coupelle de suspension SACHS 803 054<\/a><p>Sachs<\/p><div class=\"price-container\"><p class=\"price\">15.81 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/zvsvnmujg5xldpfikkhu.jpg\" alt=\"36539\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/215836-poussoir-de-soupape-ina-420-0003-10\" target=\"_blank\">Poussoir de soupape INA 420 0003 10<\/a><p>Ina<\/p><div class=\"price-container\"><p class=\"price\">8.78 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/gc4mecdjh3ykeg2nbf9k.jpg\" alt=\"40936\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/426694-jeu-de-segments-de-piston-goetze-08-109600-00\" target=\"_blank\">Jeu de segments de piston GOETZE 08-109600-00<\/a><p>Goetze<\/p><div class=\"price-container\"><p class=\"price\">12.85 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><\/div><div class=\"swiper-pagination\"><\/div><div class=\"swiper-button-prev\"><\/div><div class=\"swiper-button-next\"><\/div><\/div><\/div>\n<h2>FAQ \u2013 Segment de piston<\/h2>\n<h3>Un segment de piston peut-il \u00eatre remplac\u00e9 sans d\u00e9monter compl\u00e8tement le moteur ?<\/h3>\n<p>Dans la majorit\u00e9 des cas, le remplacement exige un d\u00e9montage partiel ou complet du moteur. Il faut extraire les pistons pour acc\u00e9der aux segments. Cette op\u00e9ration demande du temps et un outillage sp\u00e9cifique.<\/p>\n<h3>Pourquoi un segment de piston s\u2019use-t-il pr\u00e9matur\u00e9ment ?<\/h3>\n<p>Une mauvaise qualit\u00e9 d\u2019huile, des intervalles de vidange trop longs ou une surchauffe du moteur acc\u00e9l\u00e8rent l\u2019usure. Une combustion irr\u00e9guli\u00e8re peut \u00e9galement fragiliser les segments.<\/p>\n<h3>Un test de compression permet-il de d\u00e9tecter un segment d\u00e9fectueux ?<\/h3>\n<p>Oui. Une compression faible sur un cylindre peut indiquer un probl\u00e8me d\u2019\u00e9tanch\u00e9it\u00e9 li\u00e9 aux segments. Un test compl\u00e9mentaire avec ajout d\u2019huile permet souvent de confirmer le diagnostic.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans une voiture, ce sont souvent les petites pi\u00e8ces invisibles qui provoquent les pannes les plus co\u00fbteuses. Le segment de piston en est un exemple typique. Discret, cach\u00e9 \u00e0 l\u2019int\u00e9rieur du moteur, il joue pourtant un r\u00f4le d\u00e9cisif. Lorsqu\u2019il s\u2019use ou se casse, les cons\u00e9quences peuvent aller jusqu\u2019\u00e0 la casse moteur. Le segment de piston [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":1969,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2151,1989],"tags":[3879,3882,3885,3888,3891,3894],"class_list":["post-1966","post","type-post","status-publish","format-standard","has-post-thumbnail","category-entretien","category-voiture","tag-controle-de-segment-de-piston-defectueux","tag-segment-de-piston","tag-segment-de-piston-casse","tag-segments-de-piston","tag-segments-de-piston-defectueux","tag-symptomes-de-segments-de-piston-defectueux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Segment de piston d\u00e9fectueux<\/title>\n<meta name=\"description\" content=\"Un segment de piston d\u00e9fectueux peut, si le dommage n&#039;est pas d\u00e9tect\u00e9 \u00e0 temps, entra\u00eener une panne de moteur on\u00e9reuse.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.moto-integrator.be\/blog\/segment-de-piston-defectueux\/\" \/>\n<meta property=\"og:locale\" content=\"fr-BE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Segment de piston d\u00e9fectueux\" \/>\n<meta property=\"og:description\" content=\"Un segment de piston d\u00e9fectueux peut, si le dommage n&#039;est pas d\u00e9tect\u00e9 \u00e0 temps, entra\u00eener une panne de moteur on\u00e9reuse.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.moto-integrator.be\/blog\/segment-de-piston-defectueux\/\" \/>\n<meta property=\"og:site_name\" content=\"Moto-integrator.be - 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