If the oil is original, get it changed. That may be all that's needed. Also make sure that the tread depth is roughly equal on all four wheels. Some tyres drone like crazy at certain speeds as they wear down, especially for the last third of tread, so make sure its none of those.
I haven't read the other thread, so forgive me if that has already been covered.
Last edited by Quacker; Mar 10th, 2017 at 21:37.
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