U760E Shift Kit 2006-2019

Four-cylinder Toyota, Lexus and Scion models with the U760E or U760F six-speed tend to develop the same handful of complaints as the miles pile up: a 2-3 upshift that hangs or flares, revs that climb with throttle in 3rd or 4th, and torque converter clutch slip codes. When fluid and electrical checks come back clean, the usual root cause is worn bores in the valve body. This listing is the TransGo SK U760E SHIFT KIT valve body repair kit, catalogued by TransGo for 2006-2019 U760E and U760F units and sold by distributors as Transtar T107165 and WIT T277165B.

How the SK U760E works in a U760E

The U760E controls main line pressure, converter lockup and clutch apply with pulse-width-modulated solenoids, so the valves they feed shuttle constantly. Gears Magazine calls valve body wear a direct byproduct of that design and a growing concern on these Toyota six-speeds. The kit is a repair, not a recalibration for harsh shifts: it restores sealing where oil escapes. Work happens in two of the valve body sections:

• Accumulator body: the original TCC boost valve and bushing come out and a hardened steel pair goes in, so lockup apply and release follow the computer's command again.
• Mid body: the solenoid regulator valve, spring and end plug are replaced by a bushing, new valve, orange spring and outer sleeve that seal inside the worn bore, and the B2 regulator outer valve is replaced along with a white spring.
• Separator plates: one hole in the main plate and one in the lower body plate are opened with the supplied 0.055 in. drill. TransGo notes it is fine if a hole is already larger.

Symptoms that point to this kit

• 2-3 shift that flares or shuttles back and forth
• Slip with throttle in 3rd and/or 4th gear
• Torque converter clutch slip codes, or a light-throttle shudder between roughly 25 and 50 mph
• Shift or pressure solenoid performance codes; Gears notes Toyota solenoids rarely fail electrically but often fail mechanically, and worn valve bores must be ruled out before condemning a solenoid

How to confirm before buying

Scan every module and record freeze-frame data before you touch the transmission. Check the fluid hot with the check-plug procedure, because incorrect or worn fluid in these units can cause shudder, flare and solenoid codes by itself. For a shudder complaint, select Manual 3rd: Toyota's flex lockup is disabled there, so a shake that persists is likely engine-related rather than converter-related. Our U760E problems and service guide walks through these checks, and the WS fluid and capacity guide covers the level procedure that also applies to the U760E.

Fitment

TransGo's catalog range for this kit is 2006-2019, and the source listing names Toyota and Scion. In practice the U760E did not reach production until the 2010 model year according to Gears Magazine, so a 2006-2009 four-cylinder Toyota almost certainly has a different transaxle and needs a different part. The kit is for the U760E and the all-wheel-drive U760F only. TransGo's instructions state plainly that it does not fit the V6 U660E, which uses the SK U660E kit. Confirm the code on your transaxle tag, or send us your year and VIN and we will check. Year-specific listings such as the 2010-2012 U760E kit, along with every part for this family, are on our U660E and U760E parts page.

Install notes

• This is a bench job for a technician. Photograph the check ball, plastic check valve and plate filter positions before disassembly and reinstall them exactly as found; TransGo warns that later models may differ from its drawings.
• Retainers must sit below the valve body surface. The TCC boost valve installs stepped end first into its bushing.
• After any planetary failure, strip and clean the whole valve body before installing the kit.
• Burnt clutches will not recover with a valve repair; a U760E banner rebuild kit covers the soft parts, and the U760E filter and gasket kit finishes a valve body service.
• Refill only with Toyota WS, set the level at 185-194 F, and clear the adaptive values with a scan tool that can run Toyota's ECT reset before the road test.

My 2008 Camry is listed in the 2006-2019 range. Will this fit?

Probably not. The U760E entered production for the 2010 model year, so earlier four-cylinder Toyotas use a different transaxle. Read the transaxle code on the ID tag or send us your VIN before ordering.

What is the difference between this kit and the SK U660E?

They target the same complaints, but the parts are specific to each valve body. TransGo states SK U760E does not fit the V6 U660E and SK U660E does not fit the U760E.

Will it make shifts harsh like a performance kit?

No. It replaces worn valves and restores pressure control so shifts return to normal quality. It is a repair kit, not a firm-shift upgrade.

Should I replace the solenoids at the same time?

Consider it on high-mileage units or if the fluid is dirty, since Toyota solenoids tend to fail mechanically. Verify the valve body first, because worn bores can set solenoid performance codes on their own.

Which fluid goes back in?

Toyota WS ATF, with the level set hot at 185-194 F through the check plug. Then reset the adaptive values with a scan tool.

• Toyota/Aisin U660E and U760E: Shudder, Valve Body Wear, and the WS Fluid-Level Procedure
• U660E Fluid Type, Capacity and Service Interval