{"id":2398,"date":"2026-07-01T11:58:09","date_gmt":"2026-07-01T03:58:09","guid":{"rendered":"https:\/\/www.fulerdiesel.com\/qsk19-series-engine-noise-diagnosis\/"},"modified":"2026-07-01T11:58:09","modified_gmt":"2026-07-01T03:58:09","slug":"qsk19-series-engine-noise-diagnosis","status":"publish","type":"post","link":"https:\/\/www.fulerdiesel.com\/es\/qsk19-series-engine-noise-diagnosis\/","title":{"rendered":"Diagn\u00f3stico del ruido del motor de la serie QSK19"},"content":{"rendered":"<p>Diagn\u00f3stico del ruido del motor de la serie QSK19<br \/>\nNota: Al localizar el origen del ruido del motor, lo primero es descartar los ruidos provocados por los dispositivos auxiliares, como el compresor de aire y la toma de fuerza; no hay que confundir estos ruidos con el ruido del motor. Retire la correa de transmisi\u00f3n auxiliar para eliminar el ruido causado por estos dispositivos. El ruido se propagar\u00e1 a aquellas piezas met\u00e1licas que no presenten ning\u00fan problema. Por lo tanto, el uso de un estetoscopio le ayudar\u00e1 a determinar la causa del ruido del motor y su ubicaci\u00f3n.<br \/>\nSi oyes el ruido al variar la velocidad del cig\u00fce\u00f1al o al cambiar el r\u00e9gimen del motor, es posible que el ruido est\u00e9 relacionado con el cig\u00fce\u00f1al, la biela, el pist\u00f3n o el pasador del pist\u00f3n. Si oyes el ruido al variar la velocidad del \u00e1rbol de levas o al cambiar el r\u00e9gimen del motor a la mitad, es posible que el ruido est\u00e9 relacionado con los componentes del mecanismo de v\u00e1lvulas. Un tac\u00f3metro digital port\u00e1til puede ayudar a determinar si el ruido est\u00e1 relacionado con la velocidad del cig\u00fce\u00f1al o del \u00e1rbol de levas, seg\u00fan el funcionamiento de las piezas correspondientes.<br \/>\nEn ocasiones, el ruido del motor monocil\u00edndrico puede indicar un fallo en la prueba de encendido. Consulte el \u201cManual de diagn\u00f3stico y reparaci\u00f3n de aver\u00edas del motor de la serie QSK19\u201d, en los pasos 006-005. Si el volumen del ruido disminuye o desaparece, se trata de un ruido y una prueba en un solo cilindro.<br \/>\nNo existe ninguna regla fija ni m\u00e9todo de prueba para determinar el origen del ruido.<br \/>\nLos componentes del motor y los equipos auxiliares, como el embrague del ventilador accionado por engranajes, la bomba hidr\u00e1ulica, el cargador accionado por correa, los compresores del aire acondicionado y los turbocompresores, pueden provocar ruido en el motor. La siguiente informaci\u00f3n puede servir de gu\u00eda para el diagn\u00f3stico del ruido del motor:<br \/>\nRuido del cojinete principal<br \/>\nAl mover el eje, se puede generar un ruido de Poisson debido a la percusi\u00f3n con una carga en el motor; este sonido es fuerte y sordo. Si todos los cojinetes principales est\u00e1n flojos, se oir\u00e1 un sonido de percusi\u00f3n fuerte y breve. Se trata de un patr\u00f3n de sonido de percusi\u00f3n que var\u00eda con el cambio de velocidad. Cuando el motor est\u00e1 sometido a carga o hay mucho tr\u00e1fico, este ruido es m\u00e1s intenso. Este ruido de golpeteo de las bielas es m\u00e1s sordo que el anterior. Una presi\u00f3n de aceite baja tambi\u00e9n puede provocar esta situaci\u00f3n.<br \/>\nSi el cojinete no est\u00e1 lo suficientemente suelto como para producir sus propios sonidos de percusi\u00f3n independientes, si el aceite es demasiado fluido o si no hay cojinete en contacto con el aceite, el casquillo producir\u00e1 un ruido de percusi\u00f3n.<br \/>\nUn ruido irregular puede indicar que el cojinete de empuje del cig\u00fce\u00f1al est\u00e1 desgastado.<br \/>\nSe oye un golpeteo agudo e intermitente que indica que el juego axial del cig\u00fce\u00f1al es demasiado grande. El accionamiento repetido del embrague puede provocar cambios en el ruido.<br \/>\nRuido en los cojinetes de la biela<br \/>\nUn juego excesivo en la biela puede provocar diversas situaciones en cuanto al r\u00e9gimen del motor, es decir, ruido de percusi\u00f3n tanto al ralent\u00ed como bajo carga. Cuando el casquillo empieza a aflojarse, el ruido puede estar relacionado con el golpeteo del pist\u00f3n o con el ruido de un pasador de pist\u00f3n suelto. El volumen del ruido aumenta con el r\u00e9gimen del motor. Una presi\u00f3n de aceite demasiado baja puede provocar esta situaci\u00f3n.<br \/>\nRuido del pist\u00f3n<br \/>\nEs dif\u00edcil distinguir entre los ruidos del pasador del pist\u00f3n, la biela y el pist\u00f3n, debido a las diferencias entre ellos. El sonido de percusi\u00f3n a doble clic provocado por un pasador del pist\u00f3n suelto suele escucharse cuando el motor est\u00e1 al ralent\u00ed. Cuando el ruido del cilindro del inyector detiene la inyecci\u00f3n de combustible, se produce un cambio evidente en este sonido de percusi\u00f3n. Sin embargo, en algunos motores, cuando el veh\u00edculo circula a una velocidad constante por la carretera, el sonido de percusi\u00f3n se hace m\u00e1s evidente.<\/p>","protected":false},"excerpt":{"rendered":"<p>QSK19 series engine noise diagnosis Note: When troubleshooting for\u00a0engine\u00a0noise, the first to exclude the noise caused by the auxiliary device, such as by the air compressor and power take-generated, do not mistake these noise is the\u00a0engine\u00a0noise. Remove the auxiliary drive belt to eliminate the noise caused by these devices. Noise will be spread to those [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2398","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>QSK19 series engine noise diagnosis - Dalian Fuler Diesel Engine Co., Ltd.<\/title>\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.fulerdiesel.com\/es\/qsk19-series-engine-noise-diagnosis\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"QSK19 series engine noise diagnosis - Dalian Fuler Diesel Engine Co., Ltd.\" \/>\n<meta property=\"og:description\" content=\"QSK19 series engine noise diagnosis Note: When troubleshooting for\u00a0engine\u00a0noise, the first to exclude the noise caused by the auxiliary device, such as by the air compressor and power take-generated, do not mistake these noise is the\u00a0engine\u00a0noise. Remove the auxiliary drive belt to eliminate the noise caused by these devices. 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