I think you did the right thing to replace the phasers as well. I did one of these on a no-start that the customer wanted to replace only one phaser with the chains and tensioners. It had borderline oil pressure once running hot and phaser activation could reduce the oil pressure to the point the phasers would slop and set codes. Eventually arrived at replacing the second phaser and hot oil pressure at idle went up 8psi. Seems as though the vanes in the old phasers were internally bypassing a large volume of oil.
Great Demo . That's what happens when the gaskets blow out. I replaced mine with steel tensioners instead of the factory plastic. The upgraded parts are machined and require no gaskets. Looks like you caught it BEFORE the chain slapped enough to break the chain guides.
Yep, he confirmed what anybody who has pulled the front cover off one of these engines already knows. +1 on the cast body tensioners with ratchet plunger from Melling. Same tensioner used on the 2 valve engines before they cost reduced them into the unreliable zone.
@@bluestripes1 your loosing pressure at some point. Do not use silicone on the mating surface of the tensioners! Metal to metal only! Did you upgrade the pump? Did you drop the pan and clean out the pick up screen? How many Miles? What type of oil? Did you Remove the VCT mounting plate for inspection and cleaning. Notice the tiny filter screen in there that needs to be clean.
@@Continental1997 thanks for your reply. 200k miles, no gasket or silicone used on the tensioner, new genuine Ford VCTs, guides, chain, solenoids, new passenger side camshaft, all new oem Ford updated rocker arms, all new melling HLA, new melling high output pump, motor craft 5-20 and motorcaft filter, I've tried other filters, I've cleaned the pickup screen, it's quiet good running engine after 5 seconds startup
@@bluestripes1 sounds like you did everything right. The only thing I did different was to use 5-30 oil. My 3 valve runs much better than my 4 valve Intech Lincoln Truck.
Blown tensioners are very common on the 5.4 3V. When they go all oil pressure is lost at the heads and major valvetrain damage soon follows. Hope you got it all figured out and repaired by now.
Hola saludos desde Venezuela 🇻🇪 una pregunta ? Los tensores tienen un hueco que es para lubricar ? Cuando le colocas presión por hay no sale aceite muchas gracias y saludos ...👍
I'm having the same problems,replacing the tensioners now,now sure if it's the problem or not,only have oil on right side of engine,running mellings high volume,high pressure pump and stock tensioners seem to have failed
Closer they do look plastic just thought it was weird because mine never had orientation markings on them r and l but the updated ones I'm putting on now do and they are cast.
I have a 2011 same issue, its in the shop now.. car has 130,000... never had a problem and Im original owner. How many miles you have on yours? No problems yet.. ? Im trying to avoid selling it cause I really like my truck.
I installed a complete timing setup including phasers. I could have probably changed the tensioners only and been fine, but I didn't want to go back into this engine later. The problem is solved and the engine is running fine. My reason for testing was to make certain I didn't have bad cam bearings or crank bearings, which I didn't.
I think you did the right thing to replace the phasers as well. I did one of these on a no-start that the customer wanted to replace only one phaser with the chains and tensioners. It had borderline oil pressure once running hot and phaser activation could reduce the oil pressure to the point the phasers would slop and set codes. Eventually arrived at replacing the second phaser and hot oil pressure at idle went up 8psi. Seems as though the vanes in the old phasers were internally bypassing a large volume of oil.
This was a great idea! The only thing I might have done differently is plumb the test oil supply in where the oil pressure sending unit is located.
Great Demo . That's what happens when the gaskets blow out. I replaced mine with steel tensioners instead of the factory plastic. The upgraded parts are machined and require no gaskets. Looks like you caught it BEFORE the chain slapped enough to break the chain guides.
Yep, he confirmed what anybody who has pulled the front cover off one of these engines already knows. +1 on the cast body tensioners with ratchet plunger from Melling. Same tensioner used on the 2 valve engines before they cost reduced them into the unreliable zone.
i upgraded to the cast tensioners but my oil still bleeds down and my chains still slap on cold start???
@@bluestripes1 your loosing pressure at some point. Do not use silicone on the mating surface of the tensioners! Metal to metal only! Did you upgrade the pump? Did you drop the pan and clean out the pick up screen? How many Miles? What type of oil? Did you Remove the VCT mounting plate for inspection and cleaning. Notice the tiny filter screen in there that needs to be clean.
@@Continental1997 thanks for your reply. 200k miles, no gasket or silicone used on the tensioner, new genuine Ford VCTs, guides, chain, solenoids, new passenger side camshaft, all new oem Ford updated rocker arms, all new melling HLA, new melling high output pump, motor craft 5-20 and motorcaft filter, I've tried other filters, I've cleaned the pickup screen, it's quiet good running engine after 5 seconds startup
@@bluestripes1 sounds like you did everything right. The only thing I did different was to use 5-30 oil. My 3 valve runs much better than my 4 valve Intech Lincoln Truck.
Blown tensioners are very common on the 5.4 3V. When they go all oil pressure is lost at the heads and major valvetrain damage soon follows. Hope you got it all figured out and repaired by now.
The tensioners are leaking where they are mounted on. Need to take the two bolts out of each one of them and change the gaskets and tighten them
Hola saludos desde Venezuela 🇻🇪 una pregunta ? Los tensores tienen un hueco que es para lubricar ? Cuando le colocas presión por hay no sale aceite muchas gracias y saludos ...👍
Ya it's normal till there replaced with updated ones . Since your half way into new timing set & meling 360 oil pump
I'm having the same problems,replacing the tensioners now,now sure if it's the problem or not,only have oil on right side of engine,running mellings high volume,high pressure pump and stock tensioners seem to have failed
All those plastic chain tensioners are junk even the updated one. I hope you installed the cast iron ones.
Yes - you are correct and the Mellings metal units went in.
Those are the ford cast ones no?
Closer they do look plastic just thought it was weird because mine never had orientation markings on them r and l but the updated ones I'm putting on now do and they are cast.
I have a 2011 same issue, its in the shop now.. car has 130,000... never had a problem and Im original owner. How many miles you have on yours? No problems yet.. ? Im trying to avoid selling it cause I really like my truck.
Um, your hydrolic chain tensioners?
what year model and mileage is your truck
They're both bad. At least the gaskets/ O-rings are. I'd replace both of them because that will destroy that engine if you don't.
so what happend? you fix"t
I installed a complete timing setup including phasers. I could have probably changed the tensioners only and been fine, but I didn't want to go back into this engine later. The problem is solved and the engine is running fine. My reason for testing was to make certain I didn't have bad cam bearings or crank bearings, which I didn't.
Bad design back then w/ their Gaskets, Guildes, Phasers...etc
Just tensioner gaskets, 3v tensioner gaskets are shit