low hum when in 4x4 - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 02-25-2010, 05:45 PM Thread Starter
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low hum when in 4x4

i have a 09 f350. this is my first 4x4 so bare with me. i noticed the other day when i put my truck in 4wd because of snowy conditions i could hear a kinda faint hum at low speeds. tonight i tried it again since we had a bit of a snow storm and i confirmed the noise. it seemed less noticable up to 60km but when i came towards a stop i could hear something.

my question is, being a 4x4 noob, is this normal? i`ve only put the truck in 4wd a couple times when i needed it for a short period when i had to go up a snowy driveway for example, so i`ve never noticed anything.

it has around 9000k on it, and the hubs are in auto.

thanks in advance.
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post #2 of 5 Old 02-25-2010, 05:50 PM
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Yep its totally normal. You are hearing the front end howling. The drive shafts, u-joints, and t-case all make a little noise.

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post #3 of 5 Old 02-26-2010, 08:49 PM Thread Starter
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ok, thanks
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post #4 of 5 Old 02-26-2010, 08:58 PM
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Quote:
Originally Posted by kaptain howdie View Post
ok, thanks
Yep,normal..and try to avoid making turns on dry pavement when in 4wd,its hard on the tires.
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post #5 of 5 Old 03-01-2010, 12:11 PM
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Teh transfer case is right under you, and it hums a little at different speeds. Your all good!

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