On two different occasions, both after just starting my car ('79 300SD), I go directly on the freeway, and I hear a very loud, "old, fashioned, hand-crank, siren" sound coming from my instrument cluster. I assume it is the speedometer, which works perfectly. Any advice? I suppose I need to lube the speedo cable? The sound get's louder with increase of speed, and quieter after I exit the freeway.
[Edited by patsy on 12-10-2000 at 06:41 PM]