89 Aerostar Rumble at 60-70MPH? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
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post #1 of 1 (permalink) Old 10-21-05, 07:01 PM
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89 Aerostar Rumble at 60-70MPH?

1989 Aerostar, 3.0L

I get a rumble sound on the highway, but with no additional vibration. it
is coming from the rear of the Van, near the muffler area, but that is
close enough also to the rear end. I just want to rule out that it
couldn't be the rear axle, or the differental that is making this sound...
I have replaced the muffler 2 years ago, and there is just a touch of
surface rust, but nothing bad (no rust through) I know that internal
baffles can go bad - again, I can live with the noise until I can change
the exhaust (from the converter on back), But I just want to be sure I'm
not in danger on the highway.

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