FORD 5.4 With Cam Phaser Issue




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Beau Granbois: It might be the cam phasers. The locking pin in the phasers locks the vct at base timing and unlocks when oil pressure builds up and activates the vct, which is at about 1200 rpm. You could still hear the tick or chatter at 1200 but I couldn't hear it at 1500.

SuperDonkeylips: Vacuum line is loose on your heater core line that will make your engine run ruff also

Ronnie Charlton: Here is a TSB from Ford:

21574 4.6L 3V/ 5.4L 3V ENGINE TICK/RATTLE FROM VCT 800-1200 RPM - DO NOT ATTEMPT SERVICE 
2009-2010 F-150 WITH 4.6L 3V, 2005-2010 F150 WITH 5.4L 3V,2005-2010 MUSTANG WITH 4,6L 3V, 2005-2010 F250, F350 WITH 5.4L3V, 2006-2010 EXPLORER/MOUNTAINEER WITH 4.6L 3V ENGINE, 2007-2010 SPORT TRAC WITH 4.6L 3V ENGINE, AND 2005-2011 EXPEDITIONS AND NAVIGATORS WITH 5.4L 3V ENGINES. SOME CUSTOMERS MAY BE CONCERNED WITH TICK/RATTLE NOISES FROM THE VARIABLE CAM TIMING (VCT) ON LIGHT TIP-IN ACCEL BETWEEN 800-1200 RPM. THIS CONDITION MAY BE MOST NOTICEABLE OPERATING VEHICLE IN CONFINED AREAS SUCH AS A DRIVE-THRU. THE NOISE IS ELIMINATED WHEN VCT SOLENOIDS ARE UNPLUGGED. THIS CONDITION SHOULD BE CONSIDERED A NORMAL CHARACTERISTIC OF THE ENGINE. DO NOT ATTEMPT ENGINE REPAIRS TO CHANGE THIS NORMAL CONDITION. THIS CONDITION DOES NOT AFFECT PERFORMANCE OR DURABILITY OF THE ENGINE.

1puld: Its true they r JUNK I had my phasers done once under waruanty  at 40000 and friend (great wrench) and I did at 60000 its a shame 2 months after fix adjuster gets lose that can also tick. Bare with me but ONCE U FIX PHASERS NEVER USE 5w 20 AGAIN. After the engine gets past 30000 to 40000 5w 20 is to thin . There is not enough oil pressure on the top of the engine for phasers to advanced and retard properly they scratch bind and break. Right after 2nd fix I  run 10w 30 in winter and 10w 40 in summer might not get the best mpg but no more phaser issue. And the rattling at start up tenisoners had that problem too. THEY leak but cheap to fix if u do yourself.

Brute Triton: man i need sex

Danny McCarthy: lined all our 5.4s up at work they all ticked some got it fixed some didn't. it didn't seem to affect the truck they've been running for over 200,000 miles with the tick. the ones who got it fixed ran the same. personally i think the tick it just something they do and i don't think it affects the engine. I've talked to many people they all have different components that they claim fixed the tick so i really don't think its a big deal. 

Ryan Hughes: The 5.4 is not engineered properly anyone with knocks or ticks or a gas diesel truck needs a new engine. Ford replaced mine at 80 k under warranty. The cam profile needs upgrading as well as some extra machining in the block. If they replace phasers timing chain ect. It will fail again. If ford tells you it needs new phasers slap them good and say you want a new engine to replace the defecto one! Mine was a f150 5.4 2009 screw. 

dioslen rondon: tekjanson, how much did you pay for both phasers to be replaced and was this a complete kit with chain etc or just the phasers? sorry i have the same issue and my truck is exactly like yours now with 155,000 miles on it...your help is greatly appriciated!

rumerboyz: My noise is tapping when it's around 2,000-3,500 RPMs I'm trying to get someone to figure it out. Most tell me that my 5.4 is a good engine that will go 200,000 miles. Thanks for the info!

TheTerminator310: I'm really happy with the 5.4. Had mine for nearly 4 years with great service. Mine taps too, but only when warmed up and if the engine RPMs are anywhere between 800-1,200 RPMs. That is the VCT solenoids cycling oil pressure to the cam phasers when it's warmed up. If that is when the sound occurs on yours, then that's what it is doing. Very common and normal noise.

rumerboyz: Are you happy with the 5.4 engine? I'm still trying to figure out the tapping coming from my passenger side while on the gas. Doesn't make the sound in park. I have heard the same noise on a F250 and F150.

TheTerminator310: No, my truck is an F-150, but both engines are basically all the same, just in different trucks. Yes, I use Motorcraft 5W-20 oil and filters. The tapping you speak of - Not sure if mine does that, but mine rattles for a second or two on cold starts which it's always done. These 3 valve engines have a lot of moving parts and will make some noises that are just normal. Mine has almost 106,000 on it and it's been like this since I got it with 42,000 on it.

rumerboyz: Oh, forgot to let you know my truck is a F250 5.4 Is your truck a Superduty?

rumerboyz: My truck burns about 1/2 quart also. Does your truck have that tapping at start up and under hard acceralation? Do you use Motorcraft 5w-20 oil?

TheTerminator310: How much oil does your 5.4 burn? I have a 2007 that is a 1/2 quart low at 3,000 miles when I change the oil. Readings of oil consumption are all over the place with 5.4s and it's pretty common.

rumerboyz: Around how much for the new phasers? Any help with my 2005 5.4 buring oil? Olny has 41,200 miles. Thanks

rumerboyz: Thanks for the info man! I will try that.

tekjanson: The burning oil shouldn't have anything to do with the phasers. My experience is that the phasers tap when idling. I saw another video where a guy's phasers would rattle/tap when he accelerated. The phasers are at the front of the engine. They are round and sit in the round part of the valve cover. Have someone step on the gas while you listen to see if the noise is from the front part of the engine on the passenger side bank. This could be something else.

rumerboyz: Just wanted some more info on the 5.4 I have a 2005 F250 5.4 with only 41,200 miles! Engine is buring oil, change my oil every 5000 miles with 5w-20 like the book says. Also its now making a tapping when I'm heavy on the gas pedel. At idle makes no sound,just under load coming from passenger side front of engine. Any other info would be great,thanks.

Ghondi1: I have a 2000 grannd marquis and when I put it in drive and go I hear a rattle. Almost like rods knocking from lack of oil, But sip stick shows enough oil. Oil pressure guage in car read fine. Only seems to happen if the car is warm? Its strange...Really need to figure out wtf it is if anyone might know please let me know.
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FORD 5.4 with cam phaser issue 5 out of 5

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FORD 5.4 with cam phaser issue