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Re: Winter Quirks
I can't tell for sure from your description of the noise, but it sounds like
your rear crank seal might be leaking engine vacuum. Howling sound is air
sucking in around rubber seal until everything warms up and maybe alittle oil
seals it. Also explains no vacuum available for cruise control. That was my
problem on an 89 200tq. It wasn't a big problem for me because it didn't
leak much/any oil, but when I opened things up I replaced the seal and it was
worn and somewhat stiff, but not radially cracked. That seemed to solve my
howling problem.
HTH
Jim Accordino