High pitched whine on hard acceleration especially uphill after trans downshifts.
93 ZJ 4.0 AW4
It used to happen only when climbing a hill on the highway, it would make a high pitched whine for one second just as the trans down shifted. Now it happens with almost any hard acceleration after downshifting and last for more like 3 seconds.
Transmission fluid was flushed and refilled about 2 years ago. Its full on the dipstick checked hot, while idling in gear.
Sounds like its coming from the middle of the jeep not the engine compartment.