This is a noise that has occured now at least 12 times in 23,000 miles. It sounds like your going over a rumble a strip at highway speeds but happens only in a turn and at low speed. An example was this evening pulling into a parking lot the noise occured and vibrated the floor. The only thing I can think of is either the one of the front hubs or the differential. I am going into my dealer tommarow to tell them about it but I'm sure they will tell me that if I can't repeat the noise they can do nothing about it. Has anyone experienced this????????????
Thanks

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1999 F150 S.Cab 4x4
Northland Edition,5.4
Off road pkg. Fleetside
Black w/grey int.




[This message has been edited by Bob's F150 (edited 08-24-2000).]

 

There may be a tsb, here's the link for the list of all tsb's for your truck:

http://www.alldata.com/TSB/20/992017DE.html

Specifically, look at 99-14-3.

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Model: '99 F150 Lariat Supercab 4x4 SS Mechs: 5.4L, 3.73 Diff (9.75" LSD Rear, 8.8" Front)
ORP: Skid Plates, LT265/70R17 GY Wrang. AT/S
Group III towing: HD Electrical/Cooling, GVWR 6500# (Extra leaf spring).
Stuff: Step Bars, 4W Disc ABS, K&N filter, 0W-30 Series 2k Amsoil @ 8200 miles, Herculiner
Stock Items That Differ Across F150s: Steel Driveshaft, Oil filter bolted to engine w/ drip guard, 4R70W transmission.

 

Nice link - Thanks, Mike.

 

OK I went to the service department and read the TSB that Mike linked to. (Thanks Mike) It sounds like I would need an entire 3rd member rebuild. My question is what could I be getting into if they do the work. Other problems that is. Because it seems that once you take something apart from the factory it never seems the same. And if I left it until my warranty is about to expire what other residual damage could it cause. Do you think the front end could lock up??? Thanks.

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1999 F150 S.Cab 4x4
Northland Edition,5.4
Off road pkg. Fleetside
Black w/grey int.




[This message has been edited by Bob's F150 (edited 08-27-2000).]