Quote:
Originally Posted by rotorwrench
If it's not the U-joints, the aft cover pan is relatively easy to remove to have a look in there. The Dana 44 has been one that has lasted for many years so stuff it available for repairs. There are at least two types of pinion seal in the early to mid 50s and I think they are interchangeable in sets but I still find the early type out there as well. The Mercury and F1/F100 pickups all used the Dana 44 in that time frame as well as Ford station wagons & Police cars. They are the 19-spline axle variety in those early years of the Dana 44 use. Hopefully your gears are still good. That set of gears is the most expensive part in there.
If it's a pinion bearing set that's bad, the pinion will move around and make all sorts of funky noises. Randy's Ring & Pinion should have a replacement set for the tall gears like yours. A lot of folks look for the gear sets taller than the 3.91:1 ratio that the overdrive cars used but the ratio has to match the carrier diameter. Yours should already be set up for tall gears.
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Thought that this is a automatic and has the 3.31:1, why would any change even be considered or contemplated?