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Overtightning of the axle nut will cause premature failure of the bearing. Using a hydraulic shop press to press in the new bearing instead of the on car service using a threaded install tool will cause premature failure.
I have seen too many shops take an impact wrench set on full and just let it hammer the axle nut on for fifteen seconds. Yikes!!
The SVX bearing is listed as "Sealed" but it can easily be dissected and regreased every 50,000 miles or so. I have three original bearings (One had to be replaced due to an accident) on my car and they have lasted 230,000 miles. I have cleaned and re-greased them about 4 times.
If the housing has been damaged, it will need to be replaced or you will never get good bearing life. If the hub is damaged that will need to be replaced as well.
I cannot fathom why an axle would cause premature failure.
A mechanic should be able to test the trueness of the carrier and hub to determine if they are serviceable or not.
Doug
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1992 LS Touring (6/91) - Currently undergoing a five speed swap
Black over Claret with spoiler; 235,000 miles; Mods: 2002 Legacy 5 speed, ACT Pressure Plate, Excedy Clutch, Short Throw Shifter, Aussie Powerchip
1992 LS Touring (6/91)
Black over Claret with 2.5" setback spoiler; 202,000 miles; Mods: B&M Cooler
1994 LSi (4/93)
Bordeaux Pearl; 198,000 miles; Mods: Weight reduction.
1969 Mustang GT Convertible
1970 Mustang Convertible
2000 Ford ExcursionSola lingua bona est lingua mortua.
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