noisy in 4wd
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New User
Joined: Dec 2003
Posts: 12
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From: Kentucky
noisy in 4wd
Fellas I have just had my ball joints replaced,and front differential fluid changed a month ago on my 2000 SD 5.4 Auto Trans Auto Hubs 4wd Lariat.I dont use the 4wd much ,once a month or so .Yesterday we had snow so I turned the switch to 4wd High and now it makes noise when I take my foot off the accelerator, It sounds like a stick shift would if I put it in too low of a gear and let off the gas.It also whines a bit when accelerating but not as loud as decelerating.If I remember correctly last time I used the 4wd itwas much more quiet,In snow I could not even hear that it was on.Is this something someone has experienced or should I turn up the radio and drive on?Everything seems to function properly except it is just noisy now.Thanks,
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New User
Joined: Dec 2003
Posts: 12
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From: Kentucky
The guy that changed the ball joints said they were fine when he removed the axle.But when he was removing the axle he beat on the knuckle with a hammer and used a pry bar at the same time.Since I have never done this job before this was of concern to me but he shrugged and said this is how they do it and has done many others with no problems.He is the suspension man at a large Ford dealership.The truck is only quiet when maintaining a constant speed and makes the howling sound when decelerating and accelerating.Are the rest of your guys trucks quiet when decelerating or do they make some noise?It could be the normal sound and I am just being overly critical,Thanks for the help
Lead Driver
Joined: May 2003
Posts: 9,303
Likes: 48
From: Lyndonville, Vermont
I get noise in 4wd also. Can't seem to locate the noise. Everything is in good shape as far as I know. Seems to get louder when you accellerate drives fine I got under it and looked at every joint they all are good as far as I can see...I might pull the front drive shaft when I get some time between storms..
Dick
Dick
Post Fiend
Joined: Jan 2002
Posts: 5,859
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From: USA
I hope the shop put the correct front diff fluid in !
Also have you changed the transfercase fluid yet?
How many miles?
The shop could have messed up the front hubs and now there not releasing or engaging completely.
Rich
Also have you changed the transfercase fluid yet?
How many miles?
The shop could have messed up the front hubs and now there not releasing or engaging completely.
Rich
Post Fiend
Joined: Jan 2002
Posts: 5,859
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From: USA
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Lead Driver
Joined: May 2003
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From: Lyndonville, Vermont
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Senior User
Joined: Nov 2003
Posts: 165
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From: Illinois
Mine does the exact same thing when I let off the gas too...was kind of wondering the same thing you were, since this is my first Super Duty pickup. I odn't notice it in accelaration, just decel though....
Posting Guru
Joined: Feb 2003
Posts: 2,153
Likes: 1
From: Roseburg OR.
Might check the frond driveshaft for proper slip joint lubrication and check the u-joints in the front driveline. I just had mine in the snow Sat night and I couldn't tell any difference when I put it in 4 or 2wd. Or when I locked or unlocked the hubs.
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New User
Joined: Dec 2003
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From: Kentucky
I had a friend that is a dealer tech drive it yesterday and he says something is going on there.Today he is going to introduce me to the guy that fixes such things.What exactly is the slip joint?Thanks again