Tool Required VB-FIX Required

Printpartsummary
Symptoms:
  • Bang shifts
  • Bind-up
  • Excess Reverse pressure & distorted housings
  • Flare shifts
  • Harsh upshifts
  • Low cooler flow
  • Overheating
  • TCC cycling
  • TCC slip
Cause:

Excessive solenoid pressure is caused by line pressure side-loading the steel solenoid modulator valve and the continuous oscillation of the valve, which wears the cast aluminum bore.

Correction:

The modified valve and high-grade aluminum sleeve allows the bore to be refurbished, and prevents side-loading of the valve and future wear.

Tool Required VB-FIX Required

U140E, U140F, U240E, U241E

Oversized Solenoid Modulator Valve Kit

Part No.

57917E-13K

Oversized Solenoid Modulator Valve Kit
  • 57917e-13k_combo

  • Oversized Solenoid Modulator Valve Kit

Small_57917e-13k_combo Small_57917e-13k

U140E, U140F, U240E, U241E

Oversized Solenoid Modulator Valve Kit

Part No. 57917E-13K

  • Valve
  • Sleeve
  • Spring

Complaint:

  • Bang shifts
  • Bind-up
  • Excess Reverse pressure & distorted housings
  • Flare shifts
  • Harsh upshifts
  • Low cooler flow
  • Overheating
  • TCC cycling
  • TCC slip

Cause:

Excessive solenoid pressure is caused by line pressure side-loading the steel solenoid modulator valve and the continuous oscillation of the valve, which wears the cast aluminum bore.


Correction:

The modified valve and high-grade aluminum sleeve allows the bore to be refurbished, and prevents side-loading of the valve and future wear.

  • High-grade aluminum sleeve resists wear and provides porting to prevent valve side-loading.
  • Hard-coat anodized aluminum valve incorporates annular grooves to prevent wear and side-loading.
  • Replacement spring resets regulated pressure to OE specification.

Required Tools

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Valve Body Layouts

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.

Valve Body Layout Toyota U140E/F, U240E, U241E

Related Tech Articles

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