4x4 problems - Page 2 - Ford F150 Forum - Community of Ford Truck Fans

Jul 11, 2012 | 06:43 AM

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#11

speeddemon86

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Joined: Nov 2008

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From: New Brunswick, Canada

Quote:

Originally Posted by 60DRB

I would think the issue would be the same for HI and LOW if it was the IWE[s]. Is the tranfer case fluid full? Maybe the shift motor on the transfer case only parially actuated the 4HI when you activated it that day. Here's a good trouble shooting guide for the vacuum system, but I'm not certain what the issue is at this point.

http://www.ford-trucks.com/forums/83...then-some.html

I would not drive in 4WD on pavement and I recommend not "pushing" the truck during a mechanical malfunction (while the "banging" is occuring).

Yea I can't figure it out either. And I don't normally drive it in 4wd on pavement ever but it was in a straight line at speeds below what they say is ok. I tried it a few more times and couldn't replicate the problem. I've changed the driver side iwe and I dint think that's the problem. But when I had my father come down to see if he could tell where the bang was conning from ( it was hard to tell for sure inside the cab) I couldn't get it to do it again. Scratchin my head over this one

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