U250E Overhaul Kit 2003-2013, new and ready to install. Fits the U250E. Ships fast from the USA.
The U250E is the Aisin five-speed automatic transaxle behind the 2.4L four-cylinder in the 2005-2009 Camry, the 2006-2009 Camry Solara, the 2009-2014 Matrix 2.4L, the 2009-2010 Corolla XRS and the Pontiac Vibe 2.4L. At high mileage these units leak at the axle and pump seals, flare on the 2-3 shift, and engage slowly when cold. This U250E overhaul kit is the Precision International K75900N set with pistons: the gaskets, seals, O-rings and sealing rings for a complete reseal, plus seven replacement pistons. It is new and listed for 2003-2013 U250E transaxles.
The U250E builds five forward gears from four clutches (C0 direct, C1 forward, C2 reverse input and C3 underdrive), three brakes (B1 second, B2 low/reverse and B3 underdrive) and two one-way clutches, with ratios from 3.943 in first down to a 0.703 overdrive fifth. Each clutch and brake is applied by a piston sealed with rubber lip seals or bonded rubber, and the rotating clutches are fed through sealing rings. As those seals age the apply pressure bleeds off, the shift overlaps lengthen, and the adaptive strategy runs out of room to correct. Sonnax notes that rear cover sealing ring problems cause a 2-3 flare or bind and lead to premature C0 clutch failure, and that a 5-4 downshift clunk can come from a debonded C1 piston. That is why this kit includes pistons and not just seals: a debonded piston cannot be fixed with a new O-ring.
Rule out the cheap causes first. Sonnax lists bad speed sensors, low battery voltage, poor grounds and clutch clearance problems as causes of shift complaints on this family, and Transmission Digest documents a Camry U250E harsh coast-down that sent a shop chasing solenoids. Scan for codes, test the battery and grounds, and check fluid level with the fluid at temperature. A spun case bearing leaves fine aluminum in the fluid, which also sticks solenoids, so look in the pan. If you find burnt fluid or friction debris, plan on a full rebuild. Our Aisin harsh or delayed shifts guide covers the diagnostic order.
This kit is listed for U250E five-speed front-wheel-drive transaxles from 2003 to 2013. The best-documented U250E applications run from the 2005 Camry four-cylinder through the 2014 Matrix 2.4L. Earlier 2.4L Camrys and many RAV4 and Highlander models used four-speed or different five-speed units such as the U241E or U151E, so confirm your transaxle is a U250E from the case tag or VIN before ordering. If you are unsure, send us your year and VIN, or browse every Toyota and Aisin part on the Aisin transmission parts page.
The kit does not include frictions and steels. If the packs are worn, pair it with the U250E master rebuild kit, and if the valve body is contaminated, replace it with the U250E valve body for 2004-2014.
| Fits | U250E 2003-2013 |
| Part type | Overhaul Kit |
| Condition | New |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
The Precision International K75900N overhaul kit (gaskets, seals, O-rings and sealing rings) plus a set of seven pistons. Frictions, steels and a filter are not included.
The 2005-2009 Camry and 2006-2009 Camry Solara with the 2.4L four-cylinder, the 2009-2014 Matrix 2.4L, the 2009-2010 Corolla XRS and the Pontiac Vibe 2.4L. Confirm the code on your case tag before ordering.
Bonded pistons can separate from their rubber with age. Sonnax links a 5-4 downshift clunk to a debonded C1 piston, and a new seal will not fix that. The included pistons let you replace them during the reseal.
Toyota WS (World Standard) ATF. Check the level with the fluid at operating temperature, read on a scan tool.
Yes. Reset transmission memory with a capable scan tool, since disconnecting the battery will not clear it, then drive through 10-15 upshift and downshift cycles in all five gears.
