You are correct shoe, I've always heard that
it's less expensive to buy good axles from a yard
and have them installed... for as long as that may last.
Although its nice to know that they can be pressed on
with the right tool.
I think a complete job with new parts is about $600.. ?

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1979 300D 220 K miles
1995 C280 109 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles SOLD
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1979 240D 140Kmiles (bought for parents) *SOLD.
SAN FRANCISCO/(*San Diego)
1989 300SE 148 K miles *SOLD