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Symptoms:

  • Overheating
  • Poor converter & cooler oil flow
  • RPM fluctuation
  • TCC apply & release concerns
  • TCC codes

Cause:

Lockup control valve bore wear allows critical cooler and/or converter pressure loss.

Correction:

Recover hydraulic control and restore cooler and TCC performance by reconditioning the bore and installing Sonnax oversized lockup control valve kit.

AB60E, AB60F

Oversized Lockup Control Valve Kit
Part No. 157740-16K


You need this if... View Instructions

Toyota/Lexus vehicles equipped with AB60E and AB60F transmissions often display various TCC malfunctions and problems related to reduced cooler flow. These issues can be caused by excess wear in the lockup control valve bore, which allows crucial pressure to escape the circuit. Reconditioning the bore and installing Sonnax oversized lockup control valve kit 157740-16K eliminates wear and restores normal TCC and cooler function for trouble-free operation.

  • Annular grooves help center valves in bore and sleeve to reduce future side-load wear
  • Hardcoat anodized aluminum valves combat premature wear
  • Sleeve manufactured from highly wear-resistant aluminum
  • Lockup Control Valve
  • Plunger Valve
  • Spring
  • Sleeve

January 16, 2014

Toyota A750E-A761E Identification Guide

Topics: Identification Guides Transmission Toyota/Lexus A760H Transmission AB60E Transmission AB60F Transmission A761E Transmission A750F Transmission A760E Transmission A750E Transmission A760F Transmission

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September 30, 2005

Anatomy of a Transmission: Oil Flow in the Pump-PR-Converter-Cooler Lube Circuits

Gregg Nader

Topics: Diagnostics And Theory Transmission

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  • 157740 16k combo
  • 157740 16k

You need this if...

Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.

  • 157740 16k test

Instructions