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1997 Mercury Sable Transmission Question

I have the above wagon with the Vulcan engine. The drivetrain / transmission is making a serious grining / whining noise under accel or deccel, but not in the "float" mode. The noise sounds identical to what you get from a rear drive car that has a bad differential. The transmission continues to shift well, and this happens at all speeds, and is not related to the gear selected. The fluid looks good, and does not look cooked. Has anyone had a failure such as this with either the differential (if you can call it that on a front driver) or CV joints, and is there any good way to test for what it might be? The car has 110 Kmiles on it, and I am trying to decide whether to cut my losses and run.

Thanks for any assistance you may provide.

Reply to
BrEK
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Thank you very much for your response, and it certainly may be connected to an incident in the car's past. A replacement radiator was put in, and that failed about two-months after, mixing the car's coolant and transmission fluid. The radiator was replaced again, and the transmission was flushed (supposedly). Is there any way you can identify if the cooler is restricted in some way? The car has never been low on fluid, and the fluid is/was always clean outside of this incident. The tranny has a checkered past in that it was rebuilt courtesy of Ford at 31K, and this problem occurred at 110K.

Reply to
BrEK

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