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{Alternative Artikelnummern: T74741LK, 4L60E-AFL-OS}
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TRANSGO 4L60EAFLOS  
$23.79
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TRANSGO 4L60EAFLOS Spezifikationen
Installation NotizGetriebe Entfernung nicht erforderlich
Aktuator Zufuhr Grenze (AFL) Ventil (Übergröße)
1993 to 2018 General Motors vehicles equipped with 4L60E, 4L65E, 4L70E and 4L75E automatic transmissions often wear out the actuator feed limit (AFL) valve bore. As a result, inadequate pressure rise and shift solenoid feed oil loss can occur. This can cause trouble codes, wrong gear starts, falls out of gear and clutch plate burn-up.

The purpose of the actuator feed limit valve is to limit the pressure going to the actuators (aka solenoids). The AFL valve spring is calibrated to prevent the pressure from ever exceeding a predetermined pressure, no matter what the main line pressure is. This is necessary to prevent more fluid from being fed to the solenoids then they can physically exhaust and to limit the maximum line pressure output.

On one hand, if the pressure feed to the ON/OFF shift solenoids is higher or lower than intended, the shift valves controlled by those solenoids may not do what they should. For example, too much pressure could flood the shift solenoids, making them act as mechanically stuck closed solenoids. Alternatively, not enough pressure could make them act as mechanically stuck open solenoids. As a result, the transmission can have wrong gear starts, or fall out of gear.

On the other hand, for PWM solenoids like the line pressure control solenoid (PCS), if the feed pressure is too high or too low, the consequences can be detrimental. The PCS output controls the line pressure based on the calculated load from the computer. Consequently, if the AFL pressure feeding the PCS solenoid is too high or too low, the line pressure output will also be too high or too low. As a result, the transmission will either slip and burn frictions, or have hash shifts.

Features and benefits:

This TransGo oversized AFL USA-made valve, completely restores the hydraulic integrity of the circuit. Furthermore, the valve features longer lands, which greatly increases durability by redistributing the load over a greater surface area.

Requires: Reamer and guide, TransGo part # 4L60EAFLTK

Corrects/Prevents/Reduces:
  • Low line pressure boost
  • Erratic line pressure
  • Wrong gear starts
  • Slips during gear changes
  • Clutch plate burn up
  • Neutrals or falls out of gear on the highway
Includes:
  • Oversized USA-made hardened steel actuator feed limit valve
  • Spring
Zusätzliche Hilfsquellen

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TransGo Technischer Support

Wenn Sie Probleme bei der Auswahl des richtigen TransGo-Produkts haben oder vor, während oder nach der Installation dieses Produkts Fragen haben, stehen Ihnen die englischsprachigen ASE-zertifizierten Techniker von TransGo zur Verfügung.

📞 Telefon: +1.626.443.7451 (M-F 7:00-16:00 PST/UTC-8)
📧 E-Mail: support@transgo.com



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