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So my 04 f150 5.4 3v is doing this any input on what it is

I have an 2002 F150 5.4 and sounds the same but on passenger side, it sounds ok idling, but once I get moving it sounds rough... I had a 2004 also and that was the same way, I couldn't figure out the 04 model but the 02 I replaced plugs and coils and it got quieter but still louder when I'm driving I hate it, kind of embarrassing to drive it around like that hahaha. I have duals and its louder then the dual exhaust haha

Thats not a rod knocking at all. That sound is coming from the flywheel. I can tell by the sonic echo ping

I have 2006 f150 does the same thing as yours . I have changed all the spark plugs but still the issue exist . My resolution this year is no more Ford period.

What happend now to ur engine ? Is this already fix his knocking?

Cracked flex plate/warped flex plate or loose flex plate / torque converter bolts

loads of info here!!

CATALYTIC... Passenger side

Mine sounds the exact same. If I grandpa it around town it’s bad. But if I keep pushing it and get the headers glowing a little the sound goes away. Also noticed the knocking sound comes from my muffler too

Rod knock id say,it's pretty thud like

Did you find out what it was the problem

Welcome to the 5.4 2 valve. Bought mine new in 02. Been doing it for 100 thousand miles. Just for laughs, I cut the oil filter open and found nothing. Do however check the tightness on of your plugs. Check for lean conditions. (Bad injector or vacuum leak).That causes a slapping sound on the piston.

Mines is doing the same did you find out the problem?

I would do a rod and main bearing roll. Then new oil and oil filter and that should fix it .

Mine does something similar although not to this degree yet and goes away as the truck heats up ive heard it could be exhaust manifold bolts need replaced or loose plug? Check those cheaper fixes first

Get a cold air intake....>advice

Hello guys, I need help. I have the same sound and I changed the spark plugs. I checked the time chain and everything about the engine and it seems that it can be the transmission converter

Did you ever find the answer?

Did you ever find out what the tick was caused from?

I’m playing this video while listening to a ‘06 5.4l making the same noise 🤯 the comment section and video are super helpful!! I thought maybe it was exhaust because it’s in perfect timing with it, and it needs to warm up a little. But it don’t sound like exhaust 🥴

Mine 2002 ford f150 do the same sound i use a hose to hear where the sound comes and it louder in the torque converter area ,i change the torque brand new and still do that sound , dam it.

Tried to read through the comments for answers, but couldn't find them. I have a 97 E150 5.4L V8 2V that makes the same exact noise. Was there a definitive diagnosis on the problem?

Hey did you ever figure out what was knocking?

Timing chain?

It is your Catalytic convertor. There is feedback from the exhaust. There is a TSB for it. Ford says do not replace the convertor but there is a kit to wrap it with sound dampening material. I used a mechanics stethoscope to search for the knock and at the header the sound is distant and as you go towards the cat it gets louder and louder. At the cat it almost blows your ear out. And gets quieter going towards the back of the truck. Mine is the passenger cat and the drivers side is nice and quiet.

That sounds like rod knock, mine has this exact noise and it took a shit on me tonight. Taking to a mechanic to see what is wrong. Will keep updated...

I have a knock at start up but goes away after it warms up. I think it's the timing chain guides.

A quarter slick 50 will straighten it out

Same problem here

I had a knock coming from what sounded like the oil pan, after a ton of research and a conversation with an engineering buddy I narrowed it down to low oil pressure. I just fixed this on my 2006 F 150 5.4 3V It is low oil pressure. There is a chamber on cylinder 1 and 5 that fills with oil to supply your right and left side tensioner with the oil pressure it needs to keep the slack out of the timing chains. I replaced my oil pump with a melling 360 HV oil pump. I have 146,000 on it and just went ahead and replaced the timing chains, guides, tensioners and VCT solenoids. The knock is gone. If it has been running with the knock awhile you may have to clean out the supply hole behind the tensioners. Because of the low oil pressure the chamber cant fill and your tensioners will have to rely on the springs inside them to keep the chain taught, but they will wear out faster. The springs are a back up if oil pressure drops. So the chambers that are now hollow have no oil to dampen the combustion and it resonates from everywhere and sounds like a rod knock or bearing. It sounds like its coming from the oil pan but the cylinders act as a speaker and sounds louder at the oil pan due to the thinner metal of the oil pan.

My 01 5.4 sounds the same. 250k miles. I still go to Florida and daily drive it. Nice to see other people have the same issue.

Dang

Those are just triton noises bro. I rebuilt mine from the crank up and it does it. Just gotta deal with it.

I have a 2001 5.4 worked on many different issues thru the years. When this engine does officially knock....... Check all your coil packs, and connections, could be the coil pack, the boot, the sparkplug, or the harness itself. Also it can be all of them at the same time. On mine the coil pack wire harness had shorted itself against the motor cutting into the harness causing the connector to the coil pack to melt down. Again it knocked like a rod. It was a misfire. From shorted out harness.

Did you check your fuel injectors? Sounds like its not running on 1 cylinder

Mine does the same thing 289000 miles on original motor so I don't think this is an issue 5.4 still takes daily abuse like a champ

Ever found the issue. Mine do the same thing. Replaced all coils and plugs. Full tune up

SELL IT......TERRIBLE INTERNAL KNOCK!! DON'T TRUST THIS FORD ON THE ROAD !!

Mine has done the same thing for about the past 50K miles, and I still tow a boat and camper with my 2000 F150 just fine. I'm told it's just a Triton thing.

Does not sound good, sounds like a diesel

My 5.4 3 valve does this. Passenger side knock. Mechanic told me if i knew anything about the Tritons, i wouldn't think anything of it. It worries me this truck aint reliable anymore and scared to drive it.

Hi all, f250 2001 5.4 2v 145k miles exactly same noise started approx 110k. I blew a spark plug had it fixed and all new spark plugs, still had noise. Did some work on the truck which i had to jack up the front end. Started the engine and the noise disappeared 10-15 secs. I thought oil starvation and ended up putting about an extra 1 1/4qt oil and noise disappears now on level ground. Also used stethoscope and although the sound can be strongly while listening at passenger wheel arch the sound is from the silver metal tube that runs front to back above the spark plugs, but not the rocket cover!! I am confused, comments anyone? CC Please.

Sounds like it's fine. Boiling, kind of like a boat...maybe a few minutes of give a damn wouldn't hurt.

I know what that sound is in 90% of cases. Yes I have heard this diagnosed it and fixed the problem before. You blew your spark plug out.

Same sound on my 04 Lincoln Navigator. Still driving it as is?

I put a stethoscope to the passenger side catalytic converter and that is where the noise is coming from.

About to buy one with this knock, how do we stop it?

My 2001 f150 5.4l sounds exactly the same.

i know its an old video but did you ever figured it out?

Mine is the same way did you ever figure it out if so what was it?