There was a problem bonding the clear lens on all the Volvo taillights
through the '80s. The clear (and only clear) lens is available from the
dealer for a modest price (believe it or not) for the 6 segment sedan
and 4 segment wagon taillights on both 2 and 7 series.
--
Mike F.
Thornhill (near Toronto), Ont.
Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)