I recently reversed out the 850 and the
garage door was still down far enough to catch the antenna; it
bent the tubes and then started grinding
when the motor was activated. I gently bent them back and lubed
them up and it was OK; I had to force
the movement up & down a couple of times to get the antenna to
expand/retract properly, but in the
end it worked.
Check to see if your antenna is bent
by having the radio on then rotating the antenna in it's socket by hand
and seeing if it moves out of axis when
you rotate it. If it does, then this may be your problem and it will
cause the mechanism to grind. You can
bend it back, but beware as this metal is thin and delicate! Heaps
of WD40/penetrating oil is useful here.
Beats replacing the antenna unit...
--
Michael in Sydney -> http://au.oocities.com/ozbrick850
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