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Unless the roller sticks just right its not gonna hold the valve down. Normally if the roller come out it would just keep the valve from dropping at all. The valve will stay up because of its spring.
In this video we try to remind all Ford F-150 & Expedition 5.4L 3v Triton owners to listen to the warning sounds coming from your engine!These are the Parts ...
I was reading this thread and was about to make the same comment. I just watched that video this morning. Read thru the entire thread to make sure no one else shared it already. You beat me to the punch. lol
tldr: My Expedition clocked 113k miles and just started making the ticking noise. I know this comes up all the time, but does anyone who solved this problem have advice on what to inspect or replace first?
Bought my 2012 last November with 103k miles on it. Good service record, my mechanic gave the powertrain a thumbs up.
Got the oil changed at 110k, and then parked the car for two weeks. When I started it back up the engine was making the tapping noise. Assumed it was the lifters because it sat for a while. Took it to my mechanic who agreed it was probably lifters and said maybe whoever did the oil change didn't use high mileage oil. He replaced the oil for free but the noise is still there. At this point he said I was probably gonna need to take the engine apart to know for sure, otherwise I'd just be wasting money. He suggested I bring it to a friend of his with a bigger shop that works on Ford fleet trucks.
Since the noise started I've noticed a super inconsistent issue with power loss when accelerating, usually between 1st 2nd or 3rd gear. Usually doesn't happen on the highway or from a dead stop. More noticeable on back roads when I slow down for someone turning and then gas again. Also seeing 13-15mpg highway, compared to 16-18mpg before the noise. This makes me think spark plugs, but the fact it's so random makes me wonder if that's an unrelated airflow sensor issue or something.
Other info:
Check engine light has never came on.
Oil pressure is normal.
Noisier on the passenger side.
Increases speed when I rev the engine.
Pretty loud when I start up. Gets quieter after driving, but not always.
I live in Brooklyn, so it sees some city miles. But I mostly use it for road trips and off-roading on weekends.
Saw a lot of posts here & in F150 forums with people saying that they just ignore it. Some other posts saying the engine is gonna blow up. I kinda don't care if the truck sounds busted, but I definitely don't want to be running it into the ground. Especially if the engine is gonna throw a spark plug when I'm 15 miles from cell service.
Before I start throwing parts at it, what should I try to fix first? Most likely issue? Cheapest fix to try? Spark plugs & coils? Open up the engine to check the lifters and camshaft? Buy a BlueDriver and check for codes? Anyone have a link on how you fixed this in your truck?
Having the same exact issue. I had an oil leak, timing cover off, so i had the mechanic replace timing components, VCT valve, water pump, tensioners, guides, phasers, but he inspected the roller followers and sad they were good. 10-15k miles later (149k), the passenger side rear most is making noise. Slight tapping. I also noticed lower power during first to second gear shift (during acceleration). cleaned MAF, plugs were changed a couple years ago, did you ever figure out the problem? suspect roller followers.
Having the same exact issue. I had an oil leak, timing cover off, so i had the mechanic replace timing components, VCT valve, water pump, tensioners, guides, phasers, but he inspected the roller followers and sad they were good. 10-15k miles later (149k), the passenger side rear most is making noise. Slight tapping. I also noticed lower power during first to second gear shift (during acceleration). cleaned MAF, plugs were changed a couple years ago, did you ever figure out the problem? suspect roller followers.
That sounds exactly like how my roller follower issue started. Tapping noise from passenger side, down on power, down on MPG. Had all roller followers replaced with the updated version plus a new passenger side cam and everything has been working well since.
It has been perfect since the major surgery, about 25k miles ago. I actually just listened to the heads a couple weeks ago with a mechanic stethoscope and they sounded great! The only other issue I've had since then is alternator bearings, easy fix.
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