ryangregory_86 Posted October 15, 2009 Report Share Posted October 15, 2009 Got an AE92 with the 4AF-C Engine and a 3 Speed Auto, I believe they're the A130L. My Tranny is Dead (Left without Fluid for WAY to long I Believe) And I am planning on replacing it very shorly because I miss my car... ANYWAY, Is there a 4 Speed Auto that will bolt straight up without much hassle, I plan on doing the work myself so the easier the better. That being said I am pretty handy so a small abount of rewiring etc will not be a problem What are my options...... Any Help Much Appreciated Quote Link to comment Share on other sites More sharing options...
clubby2084 Posted October 18, 2009 Report Share Posted October 18, 2009 High spec AE92's came out with a 4 speed O/D auto, CSX, Ultima etc. The 4 speed fits easy enough, but, you'll need the gear selector for inside the car as it has the button for the O/Drive. From what I've have been told with mine, the first 3 speeds are hydrolic but the 4th gear and lock up function on the torque converter is electronic, so the gearbox has a computer to control the 4th gear and the lockup function on the torque converter. You'll need that too. Without it you'll still have a 3 speed. Quote Link to comment Share on other sites More sharing options...
clubby2084 Posted October 18, 2009 Report Share Posted October 18, 2009 Also, forgot to mention. The thermostat housing is different as well. There is a temp sensor for the O/Drive mounted on the thermostat housing. Need to have that too. Quote Link to comment Share on other sites More sharing options...
zimtoy Posted November 14, 2009 Report Share Posted November 14, 2009 Just bought a very nice Seca with 3 speed auto To convert to 4 speed do I require a completly new box. What did you eventually do Quote Link to comment Share on other sites More sharing options...
clubby2084 Posted November 15, 2009 Report Share Posted November 15, 2009 I bought the 4sp from a wrecker by mistake. Thinking I was buying a 3 speed. My mate is a mechanic and he did the swap for me. It is a straight swap, gearbox wise. The 4 sp is a physically larger unit but hooks up to the same mount points, bolt holes etc. I did buy new gearbox mounts for a 4sp while I was at it. To be honest I didn't take any notice if they were different. The only thing I had to source was the thermostat housing and the auto's temp sensor (temp sensors are over $400 genuine, so look around for a good 2nd hand item). I also bought a new torque converter. And the gear lever and computer I've mentioned (got these from the same wreckers) Drive shafts hooked up no problems. The whole job took 3 days (after work). The thing looks and feels factory. The result is brilliant. 2200rpm at 110km/h. The car is now a great cruiser rather than a roudy buzz box. Quote Link to comment Share on other sites More sharing options...
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