• Burnt clutches
  • Delayed engagement
  • Inadequate lubrication
  • Loss of fuel economy
  • Low pressure
  • Slips & flares
  • Soft shifts
  • TCC apply & release concerns
  • TCC codes


Loss of oil pressure due to worn components in critical circuits.


Recover hydraulic control and restore normal shift operation by installing Sonnax Zip Kit.

U760E, U760F

Zip Kit®
Part No. U760E-ZIP

View Instructions Find a Distributor

Sonnax Zip Kit U760E-ZIP targets the root cause of multiple concerns by sealing the critical circuit pressure losses in Toyota/Lexus U760E and U760F valve bodies. The kit contains uniquely-designed parts to prevent the loss of pressures within the main line, clutch apply control, lockup control and solenoid modulator circuits. The kit also seals multiple circuits known to suffer from end plug leakage or poor checkball sealing. No special tools are required for installing these parts.

The Zip Kit quick guide provides clear and easy instructions on one sheet to get the unit sealed up and back on the road quickly. In addition to general rebuilding tips and technical information, the technical booklet included in this kit contains vacuum testing information and locations at other key areas of the valve body.

  • No reaming required
  • Installs quickly with no special tools required
  • Uniquely-designed parts address root causes of valve body concerns by sealing critical circuit pressures
  • Detailed technical booklet included with in-depth rebuild and inspection tips for comprehensive valve body repair
Learn More About Zip Valve™ Drop-In Repairs
  • B1 Apply Boost Valve Kit
  • Reverse Boost Valve Kit
  • O-Ringed End Plug Kit
  • Solenoid Modulator Valve, Sleeve, Spring & End Plug
  • Solenoid Modulator Shims (2)
  • Solenoid Modulator Drill Bit .062" dia.
  • Lockup Control Boost Valve Kit
  • C1 Accumulator Piston Kit
  • B1, B2, B3, C2 Accumulator Piston Kit
  • Checkballs (2) .218" dia.
  • Solenoid Modulator Orifice Plugs (2) .062" dia., 1 Extra
  • Rivets (3) 2 Extra
  • Case Connector O-Ring Large

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.

Toyota/Lexus U660E/F, U760E/F Valve Body Layout

Toyota/Lexus U660E/F, U760E/F Valve Body Layout

  • U760E, U760F Zip Kit® U760E-ZIP


Zip Kit® Video - The First Step in Correcting Common Shift Problems
Sonnax Zip Kit

The Sonnax ZIP KIT®

The First Step in Correcting Common Shift Problems

It's easy to restore and extend vehicle shift quality with Zip Kits. Uniquely designed, drop-in Sonnax parts target the root cause of valve body complaints and stop critical circuit pressure losses in the most common problem areas of the transmission.

Learn More About Sonnax Zip Kits