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Paging F150 Mechanics - Update in Original post.

Posted on 1/23/17 at 9:08 am
Posted by ducksnbass
Member since Apr 2014
754 posts
Posted on 1/23/17 at 9:08 am
I have a 2011 F150 4x4 that has started making a low growling noise. It's not constant but I really noticed it this morning like it's getting worse. I switched to 4HI this morning going straight down the road to see if it would change anything and the driver's side front end popped a couple times. Again, I wasn't turning. Any ideas? Could it be the IWE's going bad? Vacuum solenoid?

It's got 112k if that helps. Thanks.

EDIT FOR UPDATE: Mechanic found a vacuum leak in the line near my driver's side front hub. It wasn't getting enough vacuum to fully disengage the hub so sometimes it was still engaged, sometimes not. Replaced the vacuum line and all is good. Thanks for the help!
This post was edited on 2/7/17 at 7:15 am
Posted by AUCE05
Member since Dec 2009
42574 posts
Posted on 1/23/17 at 9:18 am to
Per post in this board, timing chain.
Posted by cajuncarguy
On the road...Again!
Member since Jun 2013
3135 posts
Posted on 1/23/17 at 9:32 am to
It would be helpful to know if it makes it in gear. At what speeds? Does the sound change (pitch) when accelerating or coasting?
Posted by ChandlerB03
Natchez, MS
Member since Nov 2015
1790 posts
Posted on 1/23/17 at 9:35 am to
The 4H on those more or less act as a AWD system, meaning all 4 wheels are always searching for traction but the most power is sent to the tire that has least traction. The popping in 4H is normal

Ecoboost or 5L?
Posted by tigertyler
Bogie's
Member since Sep 2016
851 posts
Posted on 1/23/17 at 9:51 am to
I have 2011 V8 F-150 and I swear everything that can go wrong with it has. Right at 100k and I don't think it will last much longer. What is it with this year model?
Posted by PapaPogey
Baton Rouge
Member since Apr 2008
39529 posts
Posted on 1/23/17 at 10:07 am to
Just be glad you don't have an Ecoboost. Mine is a about to explode
Posted by Dissident Aggressor
Member since Aug 2011
3822 posts
Posted on 1/23/17 at 12:44 pm to
Wheel bearing
Posted by Sparetime
Lookin down at La
Member since Sep 2014
908 posts
Posted on 1/23/17 at 6:31 pm to
Axle Actuator. Big problem so far, should end with a class action suit eventually. You probably have electric locking diffs, they have been failing quite frequently. Take to dealership and ask them if there are any TSBs(Technical Service Bulletins) and if they see warranty info yet. Then they will know you know, and the more you know equals profit.
Posted by Big_country346
Member since Jul 2013
3636 posts
Posted on 1/23/17 at 7:48 pm to
Get the hubs and bearings checked out. Just had to replace the assembly on my 06 Chevy last year. Sounds like the same shite mine was doing.
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