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Thread: 06 f150

  1. #1
    Join Date
    Jan 2012
    Location
    Austin, Massachusetts
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    1,591

    06 f150

    I just picked up an 06 f150 crew cab with 100,000. 5.4 Liter. Got a good deal on it, but its got some issues. i thought i'd start a thread because it'll keep me focused and i have some questions i think you guys can help with.

    Issues- 1. Some rust in the rear cab corners (frame is solid)
    2. Roof leak (sunroof or rear third taillight)
    3. Engine knock on startup
    4. Broken sideview mirror
    5. Needs wheels and tires
    6. Heater/AC fan only works on high

    I'll post when i can with updates. I've ordered some stuff already. Anyone have any experience with the vct sensors and the knock? Also, there is great debate on what oil/filter combo to use. Calls for 5w20 but i've read that that recommendation was made by ford to achieve the fed mileage standards and that it may contribute to the knocking/vct/phaser troubles. Any thoughts? In Australia and Europe the same engine calls for 10w30, or so i'm lead to believe. I was thinking of a fully synthetic 0w30 or 5w30 because i will not be packing on the miles. My concern is not gas mileage. Rather, engine longevity. Thoughts?
    Wubba Lubba Dub Dub!!!!!

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  2. #2
    Join Date
    Jan 2012
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    I do believe that it is the cam phase, but i'm having a hard time just accepting it. I can change out the cam phase solenoids for under $100. Waste of time and money?
    Wubba Lubba Dub Dub!!!!!

    TRIKES:
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  3. #3
    Join Date
    Jun 2010
    Location
    House Springs MO
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    5,496
    I owned a 5.4 for almost 5 years. I used a fram filter one time and it knocked on startup. Talked to a Ford tech who said to use Motorcraft filters because they keep the timing chain tensioners tight after shutting the engine off. I never had an issue after that. Phasers likes to click and clack a little at idle, but that is the nature of the beast. Your fan problem is most likely the switch and my 2010 had the 3rd brake light leak and soak the whole headliner, seat, and carpet. Luckily it was still under warranty.

    Sent from my SM-G900V using Tapatalk

  4. #4
    Join Date
    Feb 2017
    Location
    Corona CA
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    808
    I have a 2006 f150 5.4 myself. If it was your cam phasers it would sound like a diesel at idle. They do knock at start up after a while. I have 296,000 miles original motor and trans. Keep 5/20 motorcraft semi synthetic in it. I use the Ford filters also. Seem to be just fine I change mine every 5k. (Makes it easy to remember) and I tow all the time and mines always loaded down with tools. (Work)
    My ac fan went out once during warranty. ( many miles ago) no idea why but they replaced it. Hope that helps.


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  5. #5
    Join Date
    Jan 2012
    Location
    Austin, Massachusetts
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    1,591
    i have the fan squared away. it was a resistor located just being the glove box. $18 and two minutes. All set. I've been reading more and more about the fram filter problems. I have no way of knowing what others used in the past, so, i got a motorcraft filter and some mobile 1 high mileage 5-20 per spec. I'm gonna change the oil tomorrow and see how it responds. If the knock is still there, i think i will change the solenoids. its cheap and easy and worth a shot,, but one step at a time. i'll also blow out the moonroof drain hoses tomorrow to try and address the leak. thanks for all the responses. i'll update at some point tomorrow. SP,,, if i get 296,000 miles out of this truck it'd be a miracle!!
    Wubba Lubba Dub Dub!!!!!

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  6. #6
    Join Date
    Apr 2011
    Location
    Mexico
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    I had the knock on my 4.6 and fixed it with the correct filter, something to do with the right filters having a one way check valve or something.

    The 3rd light leak issue is a joke that goes back to 1997, shame on Ford!

    I have heard the cam phaser knock and as said it rattles like a diesel, not the same as the start up knock. The knock eventually is a fact of start up as the engines get worn. The trick to eliminating it is to never let the motor get cold

    Google "Change spark plugs Ford 5.4" to truly fall in love with that motor.

  7. #7
    Join Date
    Apr 2011
    Location
    Mexico
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    9,003
    About that thin Ford spec oil...

    I suspect that was done by Ford to get oil pumping faster and show the EPA better mileage.

  8. #8
    Join Date
    Feb 2017
    Location
    Corona CA
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    808
    The Ford oil is literally valvoline high mileage. But cheaper. Comes from the same factory. I don't care for the fram filters as I had one explode on the boat at 80psi. The third taillight in my ranger leaked. Was a cheap gasket from Ford to replace. 10 minutes. I'd start there.


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  9. #9
    Join Date
    Apr 2011
    Location
    Connecticut
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    1,605
    Quote Originally Posted by bkm View Post
    I owned a 5.4 for almost 5 years. I used a fram filter one time and it knocked on startup. Talked to a Ford tech who said to use Motorcraft filters....

    Sent from my SM-G900V using Tapatalk
    I heard the same thing from ford dealer techs for low oil pressure in 351Ws too. A motorcraft FL1A filter will increase oil pressure 10lb over a FRAM PH8....seen the comparison done and motorcraft filters build more oil pressure

  10. #10
    Join Date
    Jan 2012
    Location
    Austin, Massachusetts
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    1,591
    Ok. Oil and filter change. Motorcraft filter and mobil 1 high mileage 5w-20. It created,,,,,,ABSOLUTELY no difference. Still have the diesel sounding start up. lasts like 5 seconds. Then it sounds good. The truck runs good. I drove it today a little. I found out today that the drivers side rear window doesn't roll down. Something else to address. I'm gonna swap out those solenoids. Gonna order them tomorrow. Its with a shot.
    Wubba Lubba Dub Dub!!!!!

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  11. #11
    Join Date
    Apr 2011
    Location
    Mexico
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    If you shut it off hot and start it back up say 4 or 6 hours later does it still knock?

  12. #12
    Join Date
    Jan 2012
    Location
    Austin, Massachusetts
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    if i start it right back up,,, no knock. if i wait awhile, it will knock again.
    Wubba Lubba Dub Dub!!!!!

    TRIKES:
    86 250r
    85 250sx
    86 250sx
    84 Yamaha 225DX - Bruins Trike
    85 Yama 225DX - The Rental!
    150cc Piranha powered 70
    110cc Lifan 70
    82 70
    83 ALT 50 Trail Buddy
    88 Yamaha BW 80
    84 z50

  13. #13
    Join Date
    Apr 2011
    Location
    Mexico
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    9,003
    Quote Originally Posted by redsox View Post
    if i start it right back up,,, no knock. if i wait awhile, it will knock again.
    How long is awhile? Basically each morning mine would knock if I'd shut it down in the early evening, but not if I started it within say 8 hours.

  14. #14
    Join Date
    Jan 2012
    Location
    Austin, Massachusetts
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    1,591
    i'll try and time it. i'll update. here is something else I've found. If i start it, it knocks until i tap the gas pedal. it will knock for five minutes if i don't touch the gas. but, as soon as i hit the gas, even if its only running for 5 seconds, the knock will go away. I'll do a little test on when/how long it take to come back.
    Wubba Lubba Dub Dub!!!!!

    TRIKES:
    86 250r
    85 250sx
    86 250sx
    84 Yamaha 225DX - Bruins Trike
    85 Yama 225DX - The Rental!
    150cc Piranha powered 70
    110cc Lifan 70
    82 70
    83 ALT 50 Trail Buddy
    88 Yamaha BW 80
    84 z50

  15. #15
    barnett468 is offline FACT ! I have no edit button Arm chair racerThe day begins with 3WW
    Join Date
    Jan 2013
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    minnesota
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    5,911
    Fram filters are the biggest pieces of crap made on the planet.

    Yes the 20w is mainly to help meet epa specs and is retarded to use in an engine unless you live in Alaska.

    0w flows just as fast as straight 20w unless it is fairly cold outside because it is the same viscosity at the same temp until the outdoor temp gets cold enough where the 20w will no longer flow well.

    Unfortunately you can not rely on the w ratings on all oils because they are not all accurate, and some w's of the same viscosity will flow better than others at freezing etc.



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