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Sonnax Actuator Feed Limit Valve Kit 4L60E 4L65E 4L70E

Sonnax Actuator Feed Limit Valve Kit 4L60E 4L65E 4L70E

SKU 77754-09K
TSS
$0
$50.04 - $50.04
$50.04
$50.04 - $50.04
$50.04

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Pickup available at 8011 NW 64th St

Usually ready in 1 hour

Description

Sonnax Actuator Feed Limit Valve Kit for 4L60E, 4L65E, 4L70E

Sonnax actuator feed limit valve kit 77754-09K is designed to eliminate pressure loss and restore proper operation in GM 4L60-E, 4L65-E, and 4L70-E transmissions. The AFL valve regulates solenoid feed pressure to the EPC and shift solenoids, but the OE design has a large reaction area that makes it highly susceptible to side-loading and bore wear.

As wear increases, oil pressure to the shift solenoids decreases, leading to solenoid and ratio codes, erratic line pressure, and poor shifting performance. The Sonnax upgrade features a durable valve and sleeve that prevent these issues, ensuring consistent pressure regulation.

Features & Benefits:

  • Hardcoat anodized aluminum valve resists premature wear.
  • Annular grooves prevent side-loading for smoother operation.
  • 54% more support by operating in a full-contact sleeve.
  • Drop-in Zip Valve™ parts for quick installation.

Note: Tool kit 77754-TL is also compatible with 4L80-E applications.

Kit Contents:

  • Valve
  • Sleeve
  • Spring
  • Retaining Clip

Common Symptoms Addressed:

  • Wrong gear starts
  • Solenoid performance codes
  • Erratic line pressure
  • Clutch and band failure
  • No 4th gear
  • Harsh shifts
  • 2nd gear starts

Cause: Excessive bore wear in the AFL valve leads to low pressure at shift and EPC solenoids.

Correction: Installing the Sonnax actuator feed limit valve kit restores hydraulic integrity with a redesigned valve and wear-resistant sleeve, ensuring proper pressure regulation and improved transmission performance.

Transmissions: 4L60E (M33,M30) 1993-UP, 4L65E (M32) 1993-UP, 4L70E (M70) 2004-UP

Vehicle

  • Ensure compatibility by verifying your vehicle's year, make, and model before making a purchase.
  • The provided vehicle list is for reference only and may not cover all compatible models. If you are unsure, feel free to contact us for assistance.

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