OK- what sound is THIS? TDI mod?

[lv2drive]

ok so i know we’ve got a buttload of threads - but i’m so unsure of which “sound” this might be - i thought i would upload this clip as she sings her lovely idle song:

points to note:

‘19 limited, 40k, extended warranty, no surgery to date. it has previously shown that cam phaser & rattle are present at cold startup.

this video was taken after warmed up 10 mins & driven 10 minutes, and still sounds like this -
so i know it’s not the chorus of “startup” issues -

my amateur guess is the flapping wastegates ?

looking for advice on how / what angle to push this with our dealership?

love to hear y’alls thoughts???

 

[Soliyou]

To me it sounds like valvetrain noise that comes with a failed phaser (or timing chain tensioner). A surgery is probably coming soon

I would first check the oil level and make sure it is full. If there is a way to check oil pressure with a scanner then I would do that too.

 

[FoMoCo_Stealth]

To me it sounds like valvetrain noise that comes with a failed phaser (or timing chain tensioner). A surgery is probably coming soon

I would first check the oil level and make sure it is full. If there is a way to check oil pressure with a scanner then I would do that too.

I second this. I’m no mechanic but I’ve had a Ford motor lose tension on timing chains before and it sounded very similar to this.

Does it go away or is this constant now?

 

[lv2drive]

fml

yeah seems constant

i run synthetic oil too

will be shopping for the best surgeon / probably on the jersey side

 

[FoMoCo_Stealth]

fml

yeah seems constant

i run synthetic oil too

will be shopping for the best surgeon / probably on the jersey side

 

[LokiWolf]

Does the sound change if you idle up a bit?


Sent from my iPhone using Tapatalk Pro

 

[Expedition Dave]

Oh my

Stop driving that and get it in to a dealership ASAP please. I was expecting to hear the normal loosey-goosey wastegate babble. That sounds really bad!

 

[Vipersinu2]

Oh thats bad,
Stop driving that asap.
It sounds horrible.

 

[JasonH]

So what is the correct course of action here...drive it hard enough to blow it up and get a new engine, or let the shop fix it and hope it doesn't happen again? What is the wait time for an engine with all the current parts shortages?

 

[lv2drive]

ok so this WAS just at the dealership for synth oil change a few months ago. oil level normal.

right now it’s the kid hauler so wife’s been driving it most of the time, but i am now spending every day with the truck again. it always had a little tap before, but i never even worried about it with the warranty & it running so strong i figured it was NBD - especially when the dealer was crickets when they did a full truck once over at our oil change. (safe to say we won’t be returning there....)

i knew it would need to go in eventually for the phasers at startup - but wasn’t so concerned about urgency on that. i didn’t notice the general warm idle had actually become noticeably “diesel-er” than my actual diesel sitting next to it in the driveway.

obviously going in asap - & needless to say i’m currently shopping around for the dealer that has done the most full tilt EB surgeries (all of them) & will give me an expy loaner for the duration as well.

@LokiWolf - took some more videos to compare sonics with 2 step increases in the idle from the driver wheelwell. bumping to 1700 & then to 2300 +/-.

then i also captured same 3 different idle rpm positions from the open engine bay as well.

it sounds like an old cummins that needs an oil change. so much so that some kid asked me in the parking lot yesterday if it WAS a diesel mod!

that was the last straw.

video links below. first video included as well for overall comparison.

@ idle (wheelwell)

@1700 RPM (wheelwell)

@2300 RPM (wheelwell)

@idle (engine bay)

@1700 RPM (engine bay)

@2300 RPM
http://www.youtube.com/watch?v=Fey6z2OOKQM

 

[lv2drive]

here’s my addendum video, from january, to show the cam phaser noise at startup - and subsequent first minute idle with some mild wastegatey symptoms -


it sounds noticeably louder now with all this.

still drives strong, which is why i didn’t even think there was any issues -

 

[Oklahoma Jim]

That sounds heavier than valve train noise to me. Rod bearing?

 

[Calidad]

fml

yeah seems constant

i run synthetic oil too

will be shopping for the best surgeon / probably on the jersey side

Hopefully not the low quality Mobile 1 junk? 2006ish the Euro spec good Mobile 1 stuff was no longer shipped to the US. The Mobile 1 we get now is a cheap high volatility oil. My 2006 Mercedes has 6 factory Mobile 1 only oil stickers under the hood, it’s actually never had Mobile 1 in it because euro spec Mobile 1 doesn’t even exist in the US today. LOL

The 3.5 bi turbo for sure should only get the Ford spec oil which I recall is Ford branded Valvoline synthetic

 

[LokiWolf]

Hopefully not the low quality Mobile 1 junk? 2006ish the Euro spec good Mobile 1 stuff was no longer shipped to the US. The Mobile 1 we get now is a cheap high volatility oil. My 2006 Mercedes has 6 factory Mobile 1 only oil stickers under the hood, it’s actually never had Mobile 1 in it because euro spec Mobile 1 doesn’t even exist in the US today. LOL

The 3.5 bi turbo for sure should only get the Ford spec oil which I recall is Ford branded Valvoline synthetic

Most Fords get the Syn Blend from the factory, and that is what the dealer typically puts in them if you do the recommended oil change.

It is decent oil. Regular changes and it should do a excellent job.


Sent from my iPad using Tapatalk Pro

 

[lv2drive]

they use motorcraft fully synthetic, i assume no concerns there?

she goes in for diagnostics tomorrow, + 2nd opinion diagnostics @ a hi-volume behemoth dealer’s truck division the following week .(leaning towards waiting a couple weeks for them as they crack these EB’s open daily.)

based on engine strength & oil level on, both svc mgrs said not to stop driving unless it throws codes.

maybe they just want me to blow it up, less headache for them. maybe its me who wants me to blow it up, who knows.

IDC either way, as now it’s only doing a 5 mile daily round trip to school till fix anyway.

was hoping to not crack this nut yet.

will update as it goes.

sigh.

 

[Squark]

Mine makes a similar knocking sound. The dealer told me it was the fuel pump and was normal. I found some other reports of it on F-150 forums. I’m also waiting for cam phaser parts to come in so they can fix the startup sound. Maybe then I can get the wastegate rattle addressed, but I’m not getting my hopes up.

 

[cfldad]

Normal?

 

[cfldad]

Ok, so I guess I paid attention today. I normally do remote start and load kids in. I do have a startup rattle which seemed to settle in first 60 seconds. Only 1300 miles at this point, 2020 purchased in January.

should I sit on it until first service or take it in? Pretty disappointed, but hopefully ford dealers around me have decent service groups. Been driving toyotas for a long time so not sure how much “normal” stuff you have to go through with an expy to get it fixed.

 

[BlackBetty]

So, I also own a ‘90 Jeep YJ... it had a slight tick at startup that went away once it warmed up back in ‘09. Figured since it drove I wasn’t going to mess with it. Fast forward to 2016, and I start it up one Saturday morning... it sounded very similar to what your hearing. Mind you this is without any change from the previous sound. My diagnosis back in ‘09 was I had a lifter that wasn’t cooperating until warmer, thinner oil tried to intervene.

It was at that moment on that Saturday morning I thought it would be a good to pull the motor for a rebuild it’s been needing. What I found when I pulled the head was a lifter (remember the one I spoke of earlier?) stuck in the lifter valley. After removing all the others this particular one was seized in place. Obviously, if it can’t move the cam is eating both itself, and the lifter. Yeah, kinda sounded like those videos.

Another thing that makes me think the lifter is because of the frequency of the knock/ noise. It comes around very often. Think of the small circumference of a lifter... doesn’t take long for the high side of the lobe to come around and strike.

Hopefully... I am way off. Hopefully... you get this resolved with no major work. As to the question you ask referencing driving until it blows up, or getting it repaired... I’m kinda leaning on driving/ towing it to the dealer and complaining about it. Not sure I could bring myself to drive it until it blew up... unless of course they document they saw nothing wrong. Which we know would be insane. The dealer that’s been doing the oil changes should have definitely brought it to your attention.

Good luck. Keep us posted.

 

[wakeboarder]

So, I also own a ‘90 Jeep YJ... it had a slight tick at startup that went away once it warmed up back in ‘09. Figured since it drove I wasn’t going to mess with it. Fast forward to 2016, and I start it up one Saturday morning... it sounded very similar to what your hearing. Mind you this is without any change from the previous sound. My diagnosis back in ‘09 was I had a lifter that wasn’t cooperating until warmer, thinner oil tried to intervene.

It was at that moment on that Saturday morning I thought it would be a good to pull the motor for a rebuild it’s been needing. What I found when I pulled the head was a lifter (remember the one I spoke of earlier?) stuck in the lifter valley. After removing all the others this particular one was seized in place. Obviously, if it can’t move the cam is eating both itself, and the lifter. Yeah, kinda sounded like those videos.

Another thing that makes me think the lifter is because of the frequency of the knock/ noise. It comes around very often. Think of the small circumference of a lifter... doesn’t take long for the high side of the lobe to come around and strike.

Hopefully... I am way off. Hopefully... you get this resolved with no major work. As to the question you ask referencing driving until it blows up, or getting it repaired... I’m kinda leaning on driving/ towing it to the dealer and complaining about it. Not sure I could bring myself to drive it until it blew up... unless of course they document they saw nothing wrong. Which we know would be insane. The dealer that’s been doing the oil changes should have definitely brought it to your attention.

Good luck. Keep us posted.

Camshaft turns at half the speed as the crankshaft. Lifter sounds would theoretically be half the frequency of crankshaft issues.