Symptoms:

  • TCC slip codes
  • TCC apply & release concerns
  • RPM fluctuation
  • Harsh downshifts

Cause:

Wear at the lockup control valve bore and plunger/sleeve assembly results in loss of hydraulic control, creating TCC engagement and timing issues.

Correction:

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

U660E,U660F

Oversized Lockup Control Valve Kit
Part No.47740-30K


You need this if... View Instructions Find a Distributor

丰田和雷克萨斯vehicles equipped with U660E and U660F transmissions often exhibit several common concerns related to wear in the lockup control valve bore. Oscillation of the lockup control valve and stroking of the plunger valve in its sleeve results in wear that prevents full hydraulic control of the lockup circuit. TCC slip, RPM surge, harsh downshifts and slip codes can accompany the TCC apply/release concerns which develop in these cases. Sonnax oversized lockup control valve kit 47740-30K allows the bore to be refurbished, restoring normal TCC operation.

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

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.

丰田和雷克萨斯U660E/F, U760E/F Valve Body Layout

丰田和雷克萨斯U660E/F, U760E/F Valve Body Layout
  • U660E U660F超大号的锁定控制Valve Kit 47740-30K
  • U660E U660F超大号的锁定控制Valve Kit 47740-30K

You need this if...

A vacuum test at the port indicated fails to hold at least 18 in-Hg.

U660E U660F超大号的锁定控制Valve Kit Vacuum Test Locations