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2011 5.0 F150 all driver side cylinders dead

Posted on 2/1/14 at 7:04 pm
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 2/1/14 at 7:04 pm
I have yet to work on one of these. Went out on location to check it out for my friend. Runs horrible, every cylinder kn that side is dead. Did not have compression gauge but im confident its not dead from compression. Had two codes for bank A and bank B cam sensors.

Superior told him it needed a new motor. He just wanted me to look at it to verify. Sounds to me like the timing components are bad on that head. Any clue?
Posted by hg
Member since Jun 2009
123553 posts
Posted on 2/1/14 at 7:05 pm to
quote:

F150


I found the problem
Posted by chalupa
Member since Jan 2011
6752 posts
Posted on 2/1/14 at 7:05 pm to
Damn. I'm no mechanic, but how many miles does he have on the truck? Guessing his warranty is up...
Posted by tankyank13
NOLA
Member since Nov 2012
7705 posts
Posted on 2/1/14 at 7:09 pm to
shite happens
Posted by Croacka
Denham Springs
Member since Dec 2008
61441 posts
Posted on 2/1/14 at 7:10 pm to
Glad I bought an ecoboost
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 2/1/14 at 7:11 pm to
110,000 miles.
I changed the oil. Dumped a can of Seafoam and ran it for about 15 minutes then drained and changed oil and filter. His dash shows no oil pressure and is giving a warning. I checked the valve cover and the oil is getting up there so im hoping that its just a bad oil pressure send in unit.
cleaned the MAF, and the very dirty throttle body. Damn thing had a 1/8" thick layer of carbon on the back Side of the throttle blade.
Posted by The Mick
Member since Oct 2010
43034 posts
Posted on 2/1/14 at 7:12 pm to
What's the compression showing?
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 2/1/14 at 7:19 pm to
I know you're trying to help but did you even read the OP?
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 2/1/14 at 7:22 pm to
quote:

1/8" thick layer of carbon on the back Side of the throttle blade


Wtf

That makes no sense. Backfiring? How else would it get there?
Posted by NYCAuburn
TD Platinum Membership/SECr Sheriff
Member since Feb 2011
57002 posts
Posted on 2/1/14 at 7:25 pm to
Are the plugs firing on that side?
Posted by LSUwag
Florida man
Member since Jan 2007
17318 posts
Posted on 2/1/14 at 7:29 pm to
The timing chain is broken. It has more than one chain because of the multiple can shaft set up. There is a chain guide that is about 6" long that the chain uses to keep in place. I recently looked at a cutaway Ford engine at a race and mentioned that this looks like a major problem in their design. I think it is some type of plastic.
Posted by TigeRoots
Member since Oct 2008
8505 posts
Posted on 2/1/14 at 7:50 pm to
Damn 110K on a 2011? That's steep.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 2/1/14 at 8:02 pm to
quote:

Damn thing had a 1/8" thick layer of carbon on the back Side of the throttle blade.
I know it has 110k, but Jesus that's thick
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 2/1/14 at 8:13 pm to
quote:

The timing chain is broken
it crossed my mind. Guess ill pull the driver side cover and look. There is a small chain that connects the two cams and it has its own tensioner. Fixing to check and see if its an interference motor.
Posted by weadjust
Member since Aug 2012
15072 posts
Posted on 2/1/14 at 8:14 pm to
That makes sense.
Posted by sherrifftaylor
SELP
Member since Jul 2012
878 posts
Posted on 2/1/14 at 8:42 pm to
Take it to AGCO!!
Posted by meauxjeaux2
watson
Member since Oct 2007
60283 posts
Posted on 2/1/14 at 8:45 pm to
Well, this is good news. All 5.0 motors are non interference. Im going to pull the valve cover Monday and take a look. Should be a simple fix.
Posted by Ziggy
Member since Oct 2007
21499 posts
Posted on 2/1/14 at 8:48 pm to
quote:

but Jesus that's thick

TWSS.
Posted by BearCrocs
Member since Aug 2013
6411 posts
Posted on 2/1/14 at 8:49 pm to
FORD.. Hahahahahahhahahahahahahahahhahahahahahahahahhaahahhahahahahahahahahahahhahahahahahahhaahhahahahahahahah..

FORD ..
Posted by WAR TIGER
Death Valley
Member since Oct 2005
4051 posts
Posted on 2/1/14 at 8:55 pm to
Holy shite...I'm pretty impressed with this thread. I have no clue what yall have been saying.
Army speak....I get.
Medicine/surgeries....I get.

Motors.......now I know who to call.....
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