4X4 winding noise

Reply Subscribe

Thread Tools

Search this Thread

Jan 19, 2009 | 07:16 PM

mongas

Thread Starter

New User

Joined: Jan 2009

Posts: 17

Likes: 0

4X4 winding noise

Is it normal to here a winding noise in 4X4 high on deceleration and no noise in 2 wheel drive brand new F350 DWR. I has a 2000 F250 but never heard it before

Jan 19, 2009 | 11:22 PM

acres

2nd Gear

Joined: Aug 2008

Posts: 2

Likes: 0

I am having the same problem with my 2008 F-350. I have had it in to the shop a couple of times over the noise. All they would do is tell me that it was common to the modle year. Lats month it got louder. I took it bak in to ford and they ended up replacing the front drive shaft. it was quite for a few weeks but the noise is back now.

Jan 19, 2009 | 11:47 PM

texastech_diesel

Token Redneck

Joined: Jun 2007

Posts: 9,339

Likes: 350

From: Breckenridge, TX

May be just a weird u-joint/ d-shaft balance vibe that you can't hear when the engine is powering up.

Jan 20, 2009 | 01:39 AM

drbigknuckles

Junior User

Joined: Jan 2009

Posts: 82

Likes: 0

i had the same problem on my f-250 my truck is a little older 97 but the front axle had a whine when my hubs where locked eneded up being my spyder gear back lash had that fixed and it works good now

Jan 20, 2009 | 04:44 AM

acres

2nd Gear

Joined: Aug 2008

Posts: 2

Likes: 0

mine is fine when the hubs are locked, it just seems to be a problem when 4X4 is engaged.

Jan 20, 2009 | 11:28 AM

krewat

FTE Leadership Emeritus

Joined: Jul 2002

Posts: 42,562

Likes: 424

From: Long Island USA

Pretty darn normal! Believe it or not.

See, the front wheels usually have slightly more tread on them, which means in 4x4 you are pulliing the rear wheels with the fronts.

So, the rear end is riding on the BACKSIDE of the ring gear and pinion which hardly gets any wear and never breaks in. It's only loaded in reverse, and never sees any real loads.

Worse, the front ring and pinion hardly get any break-in neither, and they can also be noisy.

With my '01 SD, I got the exact same thing. Nothing wrong with it.

I changed my rear diff fluid once to Royal Purple. It made the noise MUCH less noticable. Then because it leaked, I changed it again, but this time to Mobil 1.

Go figure, the noise is GONE now.

Of course, if it's really loud, something is wrong, but if you get a slight whining sound, it's not really a concern.

Jan 20, 2009 | 12:41 PM

mongas

Thread Starter

New User

Joined: Jan 2009

Posts: 17

Likes: 0

thank you very much for your replies i will kepp and ear on it. Prob have dealer take a look but i know they all say "normal" just liked to hear some feed back from other ford owners.