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Lonesome 06-01-2007 09:12 AM

Loud whinning sound
I just got my new 79 300SD on the road. What a joy to drive! Anyway, after about 5 miles of highway driving I start getting a loud whinning sound. It will go away if I let off of the accelerator and it kind of changes if I swerve the car. Does this sound like a wheel bearing? I'm gonna check the differential fluid tomorrow and take a look at the carrier bearing too. It's taken longer than I expected to get this progect on the road, I thought I was there but just not yet.... Thanks.

rs899 06-01-2007 10:49 AM

those are good places to start. Maybe the power steering pump is worth a look at too(?)

So, you got your transmission back together OK? - it works/shifts well in all gears?


MattBelliveau 06-01-2007 10:59 AM

Afterward, check your door/window seals.

Lonesome 06-01-2007 02:45 PM

Tranny is back together ok and is shifting smooth. It's not window seals as I had all the windows down.

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