Hi. I have Jeep Grand Cherokee SRT8, wk1 2006, 6.1 V8. VIN: 1J8HR783X6C256999. It has NAG1 W5A580 transmission which is now broken. 2nd to 3rd gear is slipping. Data logger shows no errors, oil is clear and has no signs of burned clutches (smell/colour). Recently replaced torque converter and all solenoids with valve body conductor plate and that didn't help. It Might be valve body itself but the one I got from ebay didn't work at all (used/faulty). Looking forward to replace whole tranny and main question is: will Grand Cherokee WK1 3.7 4x4 tranny fit in my SRT? Since I've read on forums that apparently 3.7 and 6.1 uses same NAG1 transmission.
My car has 100000 miles.
My car has an automatic transmission.
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