2004 Excursion 5.4 2V Timing Chain Replacement
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1st Gear
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2004 Excursion 5.4 2V Timing Chain Replacement
Hello all, this is my first post to this forum. I recently purchased a 2004 Ford Excursion XLT 4X4 with the 5.4 L 2V V8. I purchased it with the knowledge that it will need the timing chain replaced. I have a solid basis of mechanical knowledge and experience, including multiple timing component replacements, but I have always stuck to GM engines. The Ford modular V8 is an entirely new animal to me.
Is there any good clear how to for replacing the timing components for the Excursion? Also, what all components should I replace while I am in the engine? Thank you all in advance, and feel free to provide any and all advice you have.
Is there any good clear how to for replacing the timing components for the Excursion? Also, what all components should I replace while I am in the engine? Thank you all in advance, and feel free to provide any and all advice you have.
Last edited by titan9597; Jun 10, 2024 at 08:36 PM.
Lead Driver
Joined: Aug 2022
Posts: 5,065
Likes: 1,415
From: Oologah, OK
I too, am a GM type guy, who just acquired a 7.3L diesel, but, I can't imagine that there would be anything that would challenge you
Last edited by John in OkieLand; Jun 10, 2024 at 09:36 PM. Reason: spelling
FTE Leadership Emeritus
Joined: Sep 2003
Posts: 12,246
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From: Houston, Texas
It's relatively straight forward Fordtechmakuloco will guide you.
His advice will be the same as mine, use only Ford parts. It'll cost extra but you'll only have to do it once.
His advice will be the same as mine, use only Ford parts. It'll cost extra but you'll only have to do it once.
Fleet Mechanic
Joined: Mar 2023
Posts: 1,587
Likes: 928
Why are you looking to do a timing chain and guides?
While I have no experience with gas powered Excursions of any kind, I do also own a retired police crown vic which of course has a 4.6L 2 valve, and all the 2 valve mod motors are pretty similar. Those retired cop cars, that get beat on and then idled for thousands of hours, still get to 300K plus miles before the transmissions go bad and people junk the still running, but not drivable cars, I would think all the 2 valve mod motors would have a similarly long lived timing set.
...
While I have no experience with gas powered Excursions of any kind, I do also own a retired police crown vic which of course has a 4.6L 2 valve, and all the 2 valve mod motors are pretty similar. Those retired cop cars, that get beat on and then idled for thousands of hours, still get to 300K plus miles before the transmissions go bad and people junk the still running, but not drivable cars, I would think all the 2 valve mod motors would have a similarly long lived timing set.
...
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Fleet Mechanic
Joined: Feb 2011
Posts: 1,812
Likes: 88
From: Thousand Oaks, CA
Our 2003 Expedition 5.4L 2v 180k has a ticking noise when first started which goes away after the oil pressure comes up and the tensioners take up the chain slack.
I've seen several Youtube videos where this seems to be the problem in ours.
The chain guides are nylon and fall apart after awhile, too.
The tensioners are plastic, but there are early cast iron versions that latch to take up slack in the chains.
The plastic ones don't latch and have to be pumped up with oil pressure each time after sitting awhile.
I've read the tensioners were changed because a manual shift vehicle that was power shifted could cause the cast iron tensioner to "latch" on the next tooth, but it might be too tight on the chain
which could lead to failure.
I don't think an automatic transmission equipped vehicle would have any issues.
I've seen several Youtube videos where this seems to be the problem in ours.
The chain guides are nylon and fall apart after awhile, too.
The tensioners are plastic, but there are early cast iron versions that latch to take up slack in the chains.
The plastic ones don't latch and have to be pumped up with oil pressure each time after sitting awhile.
I've read the tensioners were changed because a manual shift vehicle that was power shifted could cause the cast iron tensioner to "latch" on the next tooth, but it might be too tight on the chain
which could lead to failure.
I don't think an automatic transmission equipped vehicle would have any issues.
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