I just picked up a '91 XJ 4.0L/AW4 4x4, somethings wrong with the transmission, mechanical issue, I can hear an internal rattling by flex plate/torque converter and it doesnt seem to build pressure. The fluid is brand new red, and if anything, its overfilled. PO said it needed a torque converter and filter.
The odo shows 275k (PO said the PO^2 swapped an engine in 2-3 years ago, not sure if I believe that). This engine has some blowby issues, oil all over the valve cover and in the airbox. I checked the compression (112, 109, 130, 136, 135, 110 psi), not as bad as I expected actually.
I have another trail-only '95 XJ 4.0L/AW4 4x4, and really the only good thing left on it is the 4.0L/AW4 combo. 160k on the odo, engine compression is slightly higher (125, 131, 134, 130, 129, 111 psi). The body/chassis is trashed, I will be pulling the engine/tranny out abd scrapping it.
I am thinking it would be best to put the '95 4.0L/AW4 into the '91, instead of trying to swap just the transmission. Will this be plug-n-play, or is there any differences between 1991 and 95? Do the ECU and TCU need to stay with the original components?
FWIW, the only good transfer case (NP231) I have is on the back of the bad '91 AW4.
The odo shows 275k (PO said the PO^2 swapped an engine in 2-3 years ago, not sure if I believe that). This engine has some blowby issues, oil all over the valve cover and in the airbox. I checked the compression (112, 109, 130, 136, 135, 110 psi), not as bad as I expected actually.
I have another trail-only '95 XJ 4.0L/AW4 4x4, and really the only good thing left on it is the 4.0L/AW4 combo. 160k on the odo, engine compression is slightly higher (125, 131, 134, 130, 129, 111 psi). The body/chassis is trashed, I will be pulling the engine/tranny out abd scrapping it.
I am thinking it would be best to put the '95 4.0L/AW4 into the '91, instead of trying to swap just the transmission. Will this be plug-n-play, or is there any differences between 1991 and 95? Do the ECU and TCU need to stay with the original components?
FWIW, the only good transfer case (NP231) I have is on the back of the bad '91 AW4.