'99 F350 4x4 issues - Diesel Forum - TheDieselStop.com
'99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the '99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

 
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post #1 of 3 (permalink) Old 08-08-2018, 04:27 PM Thread Starter
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'99 F350 4x4 issues

Just wanted to start off by saying I LOVE this forum. This is the 1st place I go to do my trouble shooting and I always find the answer I'm needing. This is also my 1st time posting......


I have a 99 F350 7.3L 4x4. I'm having that slow grinding noise when I'm making a turn (left or right) with or with out my brakes applied. Sometimes it happens while I'm driving but only for a moment and never over 25mph. I think its something to do with my 4x4 system and probably a leak in one of the lines. I just had the entire front end done a little over a year ago. I just did my breaks last night and everything looked great, even my hubs. I know a lot about diesel trucks but not much with the 4x4.


What I want to know is there a way to bypass the 4x4 system all together and still safely drive the truck? Or am I wrong it's something else??????


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post #2 of 3 (permalink) Old 08-08-2018, 09:26 PM
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I hate to answer a question with a question but more info would help. So the question to start with is do you have the truck in 4x4 mode? If you shift the transfer case to 2wd and manually unlock the front hubs the system will be disengaged. If this solves your problem I would look at the front axle U-joints at the front hubs. Check the front driveshaft also while you are under the truck. A leak in the vacuum line will not cause your problem. When you say you had entire front end done. What did they replace? Is this a manual or ESOF transfer case? Manual or Auto hubs?
DENNY

1999 F350 AUTO 4x4 CC LB DRW 4.10
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post #3 of 3 (permalink) Old 08-09-2018, 11:06 AM Thread Starter
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No the truck is in 2wd but I will try manually unlocking the hubs to see if that helps, it's a ESOF transfer case and auto hubs. As far as what was done it was a long laundry list of stuff cost me $4200.00 (more than I paid for the truck) everything on the front end all the way across except for the 4x4 was replaced. I'll check the driveshaft I do know that they only lubed it as it did not need to be replaced.
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  Diesel Forum - TheDieselStop.com > 1999-2007 Ford Super Duties > '99 & up 7.3L Power Stroke Engine and Drivetrain

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