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noise at 70 mph (differential)

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Old 12-24-2002, 07:18 AM
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Default noise at 70 mph (differential)

I have recently noticed a noise--like a hum--that appears to come from the rear of the car at exactly 70 mph. It stops as I accelerate through 70 and does not exist below 70. It happens in 4th , 5th , 6th gears so it does not appear to be engine rpm or transmission related. It seems louder on a steady pull uphill. It is more prevelant when the car is warmed up.
I did recently install my mille miglia 16 in wheels and Dunlop snows and I cannot say wehther or not it existed prior to the swap.
It is scheduled to the dealer in a week. However my warranty expires at the end of January so I want to ensure a total fix. It is a 2000 and I have 27000 very easy miles.
Has anyone experienced this? (mrb1913@socket.net)
Old 12-24-2002, 07:42 AM
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Default Mine occurs at 65 - the dealer blamed my tires and I told them they were full of crap but

they didn't beleive me... (what do I know, right?)

I still have the noise (after several sets of different types of tires, too).

-T
Old 12-24-2002, 08:45 AM
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I have it too, sometimes... dealer couldn't find it :/
Old 12-24-2002, 09:23 AM
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Default Jimdoo had this problem. I believe he resolved it.

email him at jimdoo@attbi.com
Old 12-24-2002, 10:15 AM
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Default I had the problem, they replaced my rear diff, noise came back after 10k or so.

I've got about 55k miles on the new diff now, it still works
Old 12-26-2002, 08:14 AM
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thanks for the replies..I'll post resolution..Mike
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