4r70w transmission pdf

Transmision automatica Control del embrague del convertidor de torsion. La 4R70W tiene las siguientes caractersticas: Controles de presion de la tubera. Engranes de relacion amplia.

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4r70w transmission pdf

It was installed on many powerful SUVs, as well as large rear-wheel-drive sedans. This automatic gearbox is the heiress of the famous AOD submachine gun and gave way to the 4R75W gearbox. Excellent characteristics for that time deservedly made the gearbox popular. It was installed on a whole range of brands Ford, Lincoln, and Mercury. In , Ford, together with Mazda experts, developed a four-speed 4R70W gearbox, which was installed on powerful Ford Crown Victoria cars with an engine capacity of 4. Subsequently, this modification was installed on other powerful sedans and SUVs from Ford. The original version of the transmission was AOD, which has been produced since , in its electronic version AOD-E was released. This transmission is famous for its reliability, long service life, unpretentiousness in maintenance, and relative simplicity of design. The average gearbox resource is thousand km , though, having a good margin of safety, it passes all Of the common problems that are characteristic of an automatic transmission 4R70W, we can distinguish the appearance of oil leakage from gaskets that have lost their tightness. The complexity of the repair, in this case, is that it is necessary to drain the oil and dismantle the oil pan, which has a sufficiently large size and solid weight. It is difficult to carry out this repair independently without the use of special equipment. In rare cases, with a sufficiently active ride on an unheated gearbox, problems with solenoids or the clutch drum may appear. Such repair 4R70W has a fairly high cost, due to the high cost of used parts. That is why it is recommended to warm up the gearbox before using it in the winter.

Compruebe el ajuste del cable de cambios de la transmision.

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Sprag Reverse O. Band Drum Interm. C Output Shaft. Park Pawl D Ext. Parts E0AZA D F6AZA A Gasket, AOD Pump Gasket, AOD Filter

4r70w transmission pdf

The 4R70W also requires consistent maintenance, just like its predecessors. This way, you will have an incredibly powerful transmission. Both transmissions are significantly improved versions of the first 4-speed AOD automatic overdrive transmission that Ford created and provided as a much-needed solution to fuel efficiency problems created in the United States by the oil embargo of the s. Chrysler and General Motors followed swiftly with their respective versions. And since then, several regulations and rules to considerably improve the quality of air and fuel efficiency have been published. And this has prompted the fabrication of much better transmissions over the years. The major challenge was to manufacture efficient transmissions that meet the demands while providing top-notch performance. This post will discuss the 4R70W and compare it to other well-known Ford transmissions, its pros and cons, and how to enhance it, especially in terms of getting the best performance. And for this to happen successfully, the manufacturers had to sacrifice a handful of the speed and performance features that older models exhibited.

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No mantenga la WOT en ningun rango de la transmision por mas de cinco segundos. Los medidores en la toma de presion de tubera y la toma de presion del embrague pueden cambiarse para confirmar que las causas no son las diferencias de calibracion del medidor. Se puede escuchar presion al embrague, observe la diferencia entre un golpe seco o se puede sentir movimiento el medidor de presion en tubera y el medidor cuando se aplica o libera el componente. Si aun esta presente un problema, refierase a Diagnostico por sntoma en esta seccion para diagnosticar los cambios o el convertidor de torsion. Encuentre las rpm de paro especificadas para el Prueba de velocidad de paro. Embrague planetario de un sentido. Esta correcto el ajuste del sensor digital TR? No Si el TR D cambia cuando se sacude el arnes, se golpea el sensor o se conduce el vehculo, el problema puede ser intermitente. Instale juntas nuevas como se requiera. Gire el ciguenal para tener acceso al tapon de drenado. Cambios en el tamano de la llanta o la relacion del eje afectaran la secuencia de cambios.

In , due to durability concerns, the intermediate one-way roller clutch was replaced with a mechanical diode providing extra holding capacity and longer service.

No Ajuste el sensor digital TR. Otros metodos de diagnostico incluyen lo siguiente: Modo de acceso de identificacion de parametros PID El diagnostico de una transmision automatica Modo de acceso de datos de marco congelado controlada electronicamente se simplifico usando los siguientes procedimientos. Sensor del embrague del convertidor de Sistema de encendido electronico EI torsion TCC El encendido electronico consiste en un sensor de El solenoide del embrague del convertidor de posicion de ciguenal, dos bobinas de encendido de torsion TCC se usa para controlar la aplicacion y cuatro torres y el modulo de control del tren motriz liberacion del TCC. Con la transmision en sobremarcha cuarta puede indicar que hay refrigerante en la velocidad , oprima el interruptor de control de transmision. No Repita el procedimiento para entrar al modo de transmision-Banco. Such repair 4R70W has a fairly high cost, due to the high cost of used parts. Retire la tubera de retorno del enfriador transmision acoplamiento del fondo del acoplamiento en la caja de la transmision. Retire el sensor digital de rango de la transmision TR. Refierase a la Tabla de presion de la tubera para la especificacion. Las tablas de diagnostico por sntomas daran al tecnico informacion de diagnostico, direccion y Cable TRS-E sugieren posibles componentes, usando un sntoma F o como un punto de partida. Falla en ON, modo de cancelacion de OD encendido. No mantenga la WOT en ningun rango de la transmision por mas de cinco segundos. Revise los niveles y la condicion del lquido Siga los procedimientos como estan escritos para Compruebe los componentes agregados que no evitar que se omitan componentes o pasos crticos.