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Discussion Starter · #1 ·
I am the new owner of a 2018 Ford Expedition with a 3.5 eco boost. I know this is an f150 but the expedition forum hasn’t responded to my question so I was thinking maybe y’all could help. This suv has 77k miles (90% highway). I plan on using this vehicle to tow my 8k lb travel trailer. Do y’all think I should go ahead and change out cam phasers/chain and associated equipment? Or let her rip till it starts clickin on start up? Thanks
 

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2015 Lariat 4WD
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Personally I would continue mission if you do not have the symptoms.

If you run quality synthetic oil and a good filter, changed at the maximum of 5k miles you may never have to experience that nightmare of chain rattle.

You may also consider priming the motor before start up as well.

This is essentially just holding down the break and gas and cranking the motor. Either by push button or turning the key. It will spin but not turn over, effectively priming and lubricating the engine. Do it for a few seconds until you see your oil gauge go to the normal range then release and start her up.

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2013 XLT 302A 145" Screw
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No need to hold the brake.
 

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Discussion Starter · #5 ·
Thank y’all for the replies. I tow from Texas to Montana so the last thing I want is a mechanical failure. Thanks again
 

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2017 F150 XLT, 3.5 ecoBoost, 4 door, Super Crew, Stock
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My phasers gave up at 100,000 miles.
I always ran full synthetic mobile 1, with any cheap filter, 5,000 mile oil changes.
Looking back and many oil filter youtube videos opening the filters to compare.
I will always trust the Motorcraft filter from now on.
I think my poor choice of cheap filters did my phasers in.
Just my 2 cents.
Take it or leave it.
 
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Discussion Starter · #7 ·
My phasers gave up at 100,000 miles.
I always ran full synthetic mobile 1, with any cheap filter, 5,000 mile oil changes.
Looking back and many oil filter youtube videos opening the filters to compare.
I will always trust the Motorcraft filter from now on.
I think my poor choice of cheap filters did my phasers in.
Just my 2 cents.
Take it or leave it.
Did you do the repair yourself? Or did you take it to the dealership?
 

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2017 F150 XLT, 3.5 ecoBoost, 4 door, Super Crew, Stock
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Did you do the repair yourself? Or did you take it to the dealership?
Dealership. $3,100
I had everything replaced, needed or not.
4 phasers
2 chains
2 tensioners
4 vvt solenoids
All timing chain guides
Water pump
Thermostat
6 spark plugs
All needed gaskets
Antifreeze
Oil and filter
 

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112K on my ‘14 and no noises here. I plan on just driving it, if it fails it’s just the nuisance noise. Some have had it done only to have it return in a short time. So preventative surgery maybe not too successful.
 
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Discussion Starter · #10 ·
Dealership. $3,100
I had everything replaced, needed or not.
4 phasers
2 chains
2 tensioners
4 vvt solenoids
All timing chain guides
Water pump
Thermostat
6 spark plugs
All needed gaskets
Antifreeze
Oil and filter
Ouch that price tag hurts me. But it’s cheaper than a new truck. I am preparing myself mentally to have this problem at some point
 

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2021 Powerboost Platinum FX4 Kodiak Brown
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Ouch that price tag hurts me. But it’s cheaper than a new truck. I am preparing myself mentally to have this problem at some point
I tell myself that it's very common for folks to spend 3K on a set of rims/tires for their new truck.

So I am investing the price of a set of rims/tires to get another 75-100k miles out of my truck?

Just perspective. :)

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2015 Lariat 4WD
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Agree with @snakebitten

I think I have close to $5-6k in parts now, but that is just because I am stubborn...but hopefully it lasts a lot more time before I need to drop more coin into it.

At least I know it is done correctly and I was able to add some quality additional components while I was in there.

That is the nature of the beast...you are either going to pay someone a premium to do the work with a question mark in the back of your head or do it yourself, take that money you would spend on labor and turn it into aftermarket enhancement...
 

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I think the best thing you can do for an Ecoboost that is used for towing down the interstate is to leave it running at fuel and rest stops and not shut it off with turbos that are warm/hot that need oi and coolant flow through them. If you have a keypad on the door just hit 8-9 together and it locks while running.
 

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Discussion Starter · #14 ·
I think the best thing you can do for an Ecoboost that is used for towing down the interstate is to leave it running at fuel and rest stops and not shut it off with turbos that are warm/hot that need oi and coolant flow through them. If you have a keypad on the door just hit 8-9 together and it locks while running.
That’s some really good advice that I didn’t think about. I remember my dad always doing that in his 7.3 diesel when we would go on road trips. Same principal applies to these as well.
 

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2013 XLT 302A 145" Screw
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I think the best thing you can do for an Ecoboost that is used for towing down the interstate is to leave it running at fuel and rest stops and not shut it off with turbos that are warm/hot that need oi and coolant flow through them. If you have a keypad on the door just hit 8-9 together and it locks while running.
Nope. You are thinking old-tech. These don't need that. Makes no difference.
 

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2013 XLT 302A 145" Screw
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That’s some really good advice that I didn’t think about. I remember my dad always doing that in his 7.3 diesel when we would go on road trips. Same principal applies to these as well.
Same principle does not apply. The 7.3 was old turbo tech. No longer needed.
 

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2013 XLT 302A 145" Screw
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Just more idling for no reason and we all know how these engines dislike idling.
 

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2021 Powerboost Platinum FX4 Kodiak Brown
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Just more idling for no reason and we all know how these engines dislike idling.
Mine apparently dislikes it so much that it doesn't idle at all. In fact, if you let off the gas it dies, rather than idle.

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2015 Ford F-150 Lariat Screw 5.5' | 3.5 Eco | 4x4 3.55 Max Tow | 33's, Edge CS2, Kicker PowerStage
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You oughta get that checked out while still under warranty.

I bet it’s just spark plugs & a KAM reset.
 
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