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post #1 of 2 (permalink) Old 02-28-2011, 04:11 PM Thread Starter
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Join Date: Dec 2007
Location: Cochrane, Alberta
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4wd Issue

The 4wd system on my 05' FX4 has been doing everything but working properly lately. I searched around and found the obvious things to check like vacuum and all that. I'm stumped, everything seems to be engaging but I'm getting no power from the front wheels.

When you shift into 4hi on the fly the light comes on, you can hear the transfer case engage and can feel the front wheels engaging through the steering wheel (the steering gets heavy and the turning radius is reduced like the wheels are pulling) but when it comes time to use the front wheels to pull they do nothing, only the rear tires spin and there is a whole lot of clunking in the front end/transfer case area. The same thing happens when engaging 4lo.

Every once in a while it seems like something will catch up front and you get power from the wheels but as soon as you give it anymore than a little gas it just goes back to only the rear wheels working.

Anyone have any thoughts?

2016 F150 XLT XTR 4x4 2.7 Ecoboost
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post #2 of 2 (permalink) Old 03-01-2011, 03:45 PM
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Join Date: Oct 2008
Location: bonnyville alberta
Posts: 2,401
unhook vacc lines to front wheels and retry 4x4,we have had problems with the solonoid and lines freezing up.

a moments silence for the shelbyx,i hope her new owner enjoys as much.
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