Squealing from engine, I think i narrowed source but could use some suggestions

[Marman]

Hello, so I own a 2019 GT.

First things first, Its winter so i know sometimes engines can run a little bit more rougher in colder temperatures from my past experience and knowledge.

Last December i had my local shop fix my TSB for timing chain tensioners. That problem doesn't persist any longer. Engine sounds great since I've gotten it back.

Ever since last 2 or so weeks ago, I've noticed noise coming from the engine again. When its cold the noise is more noticeable, but when engine is heated up, no noises persist until this squealing started.

The squealing only starts happening when engine is up to temp. It sounds very faint, but noticeable. I've looked around and I'm pretty sure the noise is coming from the high pressure fuel pump. ill have to take a video and post it tomorrow but i figured this is a good starter. If I'm in the wrong thread let me know as well. First time using the forums.

I plan on buying the part when I'm 95% percent sure it is that making the noise and swap it out. Also ever since this noise started my car has sounded more like your stereotypical 5.0 diesel engine which i've heard from plenty that its normal. Open for ideas and suggestions.

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[coffeehound]

Hey @Marman

I don't know a whole lot about these Gen 6's yet, but from past experience with quite a few other vehicles when you talk about "squealing" (tough to know without actually hearing the noise in question) the first thing that jumps to my mind, is a pulley with bearings that are starting to fail.

Take your pick on where to start looking, because obviously there are a bunch of them, basically any pulley that the serpentine belt touches: Water pump, alternator, serpentine belt tensioner, etc.

Again tough to know w/o actually hearing the noise in question, but that's what jumps into my mind, when you mention "squealing".

I don't know if this is helpful at all or not, but just my 2 cents fwiw.

 

[Marman]

Hey @Marman

I don't know a whole lot about these Gen 6's yet, but from past experience with quite a few other vehicles when you talk about "squealing" (tough to know without actually hearing the noise in question) the first thing thing that jumps to my mind, is a pulley with bearings that are starting to fail.

Take your pick on where to start looking, because obviously there are a bunch of them, basically any pulley that the serpentine belt touches: Water pump, alternator, serpentine belt tensioner, etc.

Again tough to know w/o actually hearing the noise in question, but that's what jumps into my mind, when you mention "squealing".

I don't know if this is helpful at all or not, but just my 2 cents fwiw.

I don't know why my video response was deleted. The issue before was the hpfp making noise I put a new one and now here's the current noise the engine is making.

 

[coffeehound]

Definitely sounds a little odd to me based on how my engine sounds.

Just out of curiosity, was the replacement Fuel Pump you put in, a factory OEM HPFP or an aftermarket fuel pump?

 

[Marman]

Definitely sounds a little odd to me based on how my engine sounds.

Just out of curiosity, was the replacement Fuel Pump you put in, a factory OEM HPFP or an aftermarket fuel pump?

It was a factory replacement I bought from LMR. I'm gonna take it out do a return and get my money back. Then try and find a local dealer with one and try that out.

 

[coffeehound]

It was a factory replacement I bought from LMR. I'm gonna take it out do a return and get my money back. Then try and find a local dealer with one and try that out.

That would have been my suugestion, return that one and pick up a factory OEM HPFP from Ford.

Please keep me posted as to if this solves the issue.

How much do these HPFP's cost anyway - any idea?

 

[Marman]

That would have been my suugestion, return that one and pick up a factory OEM HPFP from Ford.

Please keep me posted as to if this solves the issue.

How much do these HPFP's cost anyway - any idea?

I think Ford charges high 200s low 300s I got mine from LMR for 240 260 with shipping and tax

 

[coffeehound]

I think Ford charges high 200s low 300s I got mine from LMR for 240 260 with shipping and tax

That's not as bad as I was expecting to hear.

Thanks a bunch.

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