{"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_cl\/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 solucionar problemas relacionados con el ruido del motor, lo primero es descartar el ruido generado por los dispositivos auxiliares, como el compresor de aire y la toma de fuerza; no confundas 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 las piezas met\u00e1licas que no presenten problemas. Por lo tanto, el uso de un estetoscopio ayudar\u00e1 a determinar la causa y la ubicaci\u00f3n del ruido del motor.<br \/>\nSi escuchas el ruido al cambiar la velocidad del cig\u00fce\u00f1al o al variar la velocidad 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 escuchas el ruido al cambiar la velocidad del \u00e1rbol de levas o al variar la velocidad del motor a la mitad, es posible que el ruido est\u00e9 relacionado con los componentes del tren 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, as\u00ed como con el funcionamiento de las piezas correspondientes.<br \/>\nEn ocasiones, el ruido del motor de un solo cilindro puede indicar que la prueba de ignici\u00f3n no se realiz\u00f3 correctamente. Consulte el \u201cManual de diagn\u00f3stico y reparaci\u00f3n de fallas del motor de la serie QSK19\u201d en los pasos 006-005. Si el volumen del ruido disminuye o desaparece, significa que el ruido se originaba en un solo cilindro y que la prueba se realiz\u00f3 correctamente en ese cilindro.<br \/>\nNo existe una regla fija ni un 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 de aire acondicionado y los turbocompresores, pueden generar 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, escuchar\u00e1s un sonido de percusi\u00f3n fuerte y breve. Este patr\u00f3n de sonido de percusi\u00f3n var\u00eda con el cambio de velocidad. Cuando el motor est\u00e1 cargado o hay mucho tr\u00e1fico, este ruido es m\u00e1s fuerte. Este ruido de golpeteo de las bielas es m\u00e1s sordo que el de percusi\u00f3n. Una presi\u00f3n baja de aceite tambi\u00e9n puede producir esta situaci\u00f3n.<br \/>\nSi el cojinete no est\u00e1 lo suficientemente flojo como para producir sus propios sonidos de percusi\u00f3n, si el aceite es demasiado fluido o si no hay cojinete en el aceite, el casquillo producir\u00e1 ruido de percusi\u00f3n.<br \/>\nUn ruido irregular puede indicar que el cojinete de empuje del cig\u00fce\u00f1al est\u00e1 desgastado.<br \/>\nUn ruido seco 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 el cojinete de la biela<br \/>\nUn juego excesivo en la biela puede provocar diversas condiciones de velocidad del motor, es decir, ruidos de percusi\u00f3n tanto en ralent\u00ed como bajo carga. Cuando el buje comienza 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 a medida que aumenta la velocidad 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 el ruido del pasador del pist\u00f3n, la biela y el pist\u00f3n debido a las diferencias entre ellos. El sonido de percusi\u00f3n con doble clic causado por un pasador del pist\u00f3n flojo, por lo general, se puede escuchar cuando el motor est\u00e1 en marcha lenta. 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 vuelve 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_cl\/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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