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#4: 09-19-2011, 07:36 PM
broknindarkagain's Avatar
Title: ProGun & ProLife. So What
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Location: Phoenix, AZ
Car: 93BC - 95BD - 97BD - 98BG - 96BG
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under construction

The 4EAT is the only automatic transmission available in the BD, BG, and BK Legacys. "EAT" stands for "Electronic Automatic Transmission".

The 4EAT was released in 1988 for use in the Subaru XT6 and Leone Touring Wagon. In 1989 when the EJ engine was released, the bellhousing was changed to accept the newer engine, but for the most part the transmission stayed the same.

The 4EAT has been used in the following Subaru models :
88 - 91 Subaru XT
90 - 04 Subaru Legacy
92 - 97 Subaru SVX
95 - present All Subarus
The 4EAT design has been shared with a few other manufactures as well. Jatco designed the 4EAT, and has allowed Nissan, Ford, and Kia to use the same or very simular designs.

Gear Ratios
1st - 2.785
2nd - 1.545
3rd - 1.000
4th - 0.694
reverse - 2.272

Final drive ratios vary depending on year and model. The majority of final drive ratios are 4.11

Common 4EAT Problems & Solutions
Torque Bind
This is probably the most common 4EAT problem. This is the transmission getting stuck in a 50/50 power split now allowing for slippage in the center diff. Its usually caused by a faulty Duty C solenoid, however can sometimes be cured with a few "drain and fills"

Last edited by broknindarkagain; 08-21-2012 at 11:22 PM..
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