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Old 10-08-2007, 05:14 PM   #1 (permalink)
BIGBEN2004
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Clunking noise in reverse?

When I drive my truck in reverse for about 10 feet I hear a clunk sound like I backed over something. It does not do it every time just usually once every time I drive it. It is a 02 D/A 3500 Dually. Actually it sounds like something rolling around in the bed and hitting the sides of the bed. What can it be?
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Old 10-08-2007, 05:32 PM   #2 (permalink)
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Quote:
Originally Posted by BIGBEN2004;2052444;
When I drive my truck in reverse for about 10 feet I hear a clunk sound like I backed over something. It does not do it every time just usually once every time I drive it. It is a 02 D/A 3500 Dually. Actually it sounds like something rolling around in the bed and hitting the sides of the bed. What can it be?
I think a lot of them do it including mine. I don't think we ever found out why. Maybe Machinator can shed some light.
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Old 10-09-2007, 07:50 AM   #3 (permalink)
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Are you still rolling when it happens or is it when you're coming to a stop while in reverse?
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Old 10-09-2007, 08:22 AM   #4 (permalink)
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my 05 2500hd will do a loud clunk every now and then when i first put it in gear.
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Old 10-09-2007, 10:14 AM   #5 (permalink)
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Quote:
Originally Posted by Machinator;2053594;
Are you still rolling when it happens or is it when you're coming to a stop while in reverse?
Mine does it rolling only once per day while it's cold.
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Old 10-09-2007, 03:21 PM   #6 (permalink)
BIGBEN2004
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Mine is when it is rolling, but the other day I started it and only drove forward for about 25 miles or so and then I had to back up in a dealership parking lot and pop their was the sound. I am guessing it is in the tranny but I guess it could be in the rear differential.
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Old 11-03-2007, 09:13 PM   #7 (permalink)
redvette33
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Having the same issue with a very disturbing clunk while only in reverse and starting to turn. It's coming from front passenger wheel. I can hear it and feel it! Have no clue what it it is but it doesn't sound good.
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Old 11-04-2007, 08:58 AM   #8 (permalink)
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Quote:
Originally Posted by redvette33 View Post
Having the same issue with a very disturbing clunk while only in reverse and starting to turn. It's coming from front passenger wheel. I can hear it and feel it! Have no clue what it it is but it doesn't sound good.

I think yours might be a wheel bearing. I had one on my old Dodge go out and it did the same thing it started as a pop sound and then turned into a constant grinding sound.
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Old 11-04-2007, 09:56 PM   #9 (permalink)
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had a friend look under while I was in reverse and turning and he said he saw the axle binding up or sticking just before the loud clunk. I will change the bearing anyway but would this still be the wheel bearing?
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Old 11-07-2007, 02:42 PM   #10 (permalink)
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I have heard a couple 6.0 transmissions doing the same thing.
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