Base oil pressure issue?
Cargo Master
Joined: Oct 2018
Posts: 2,811
Likes: 1,907
From: unfortunately Germany
I removed the oil cooler housing from a "dead horse" today, that "drain valve thing" gave me no rest.
In fact, the oil filter drain valve is tight (if it is working properly) and should therefore hold the oil filling level in the oil filter housing.
In fact, the oil filter drain valve is tight (if it is working properly) and should therefore hold the oil filling level in the oil filter housing.
Hotshot
Joined: Dec 2014
Posts: 17,828
Likes: 3,113
From: Jersey Shore
Thanks for showing it in place. Yep, two stage.
OK, but it looks like you are pushing it lower than the surrounding posts with the screwdriver. It probably still seals, but you you show the movement with a filter on the base, as one person commented in a past thread that it does not get pushed as far.
OK, but it looks like you are pushing it lower than the surrounding posts with the screwdriver. It probably still seals, but you you show the movement with a filter on the base, as one person commented in a past thread that it does not get pushed as far.
Cargo Master
Joined: Oct 2018
Posts: 2,811
Likes: 1,907
From: unfortunately Germany
Thanks for showing it in place. Yep, two stage.
OK, but it looks like you are pushing it lower than the surrounding posts with the screwdriver. It probably still seals, but you you show the movement with a filter on the base, as one person commented in a past thread that it does not get pushed as far.
OK, but it looks like you are pushing it lower than the surrounding posts with the screwdriver. It probably still seals, but you you show the movement with a filter on the base, as one person commented in a past thread that it does not get pushed as far.
Then I see where the top of the filter is and can measure down on the valve after measuring the filter length. So I could measure how far it is activated.
Fleet Owner
Joined: Nov 2003
Posts: 27,900
Likes: 3,617
Just remember that when the oil filter cap is on, the system is air tight. If the drain valve is even reasonably closed, I would bet that it would be pulling a vacuum as the liquid level dropped, and this would most likely prevent any more draining.
Hotshot
Joined: Dec 2014
Posts: 17,828
Likes: 3,113
From: Jersey Shore
You can just put the standpipe on what you have and slip on a used or new filter. Without the canister bolted on, you should be able to visually see the contact.
Hotshot
Joined: Dec 2014
Posts: 17,828
Likes: 3,113
From: Jersey Shore
Agreed. That's why I don't think they bothered to made it like the other valves. The anti-drainback valve is more critical.
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Cargo Master
Joined: Oct 2018
Posts: 2,811
Likes: 1,907
From: unfortunately Germany
I made an interesting finding today. I measured a few dimensions and found this:: From the top of the oil filter housing to the activated oil filter drain valve (so that it is closed) the measurement is 142.5mm.
However, the dimension from the edge of the filter cap to the bottom edge of the oil filter is only 140.8mm, which means that the oil filter drain valve stays open by 1.7mm, so in this case it allows the oil to flow out of the filter housing when the engine is not running.
I will put a new oil filter in tomorrow and measure again.
It is definitely the oil filter drain valve which is not sealing with this filter installed. I had put some oil in before and made sure the anti drain back valve was sealing.
I modified a filter cap and poured the oil in the opening with the filter installed, this is where I had noticed that it was running back out the bottom of the oil cooler housing.
However, the dimension from the edge of the filter cap to the bottom edge of the oil filter is only 140.8mm, which means that the oil filter drain valve stays open by 1.7mm, so in this case it allows the oil to flow out of the filter housing when the engine is not running.
I will put a new oil filter in tomorrow and measure again.
It is definitely the oil filter drain valve which is not sealing with this filter installed. I had put some oil in before and made sure the anti drain back valve was sealing.
I modified a filter cap and poured the oil in the opening with the filter installed, this is where I had noticed that it was running back out the bottom of the oil cooler housing.
Cargo Master
Joined: Oct 2018
Posts: 2,811
Likes: 1,907
From: unfortunately Germany
Will measure tomorrow with new Motorcraft filter.
Hotshot
Joined: Dec 2014
Posts: 17,828
Likes: 3,113
From: Jersey Shore
So to confirm, that's an aftermarket filter element, Hartwig? With the cap on, is there any up and down movement to the element?
It drains out with an open cap, but with a normal cap it might not fully drain, only a little (capped straw vacuum).
It drains out with an open cap, but with a normal cap it might not fully drain, only a little (capped straw vacuum).
Cargo Master
Joined: Oct 2018
Posts: 2,811
Likes: 1,907
From: unfortunately Germany
I can't tell for sure Jack if it is an aftermarket filter, but it looks like aftermarket. Here it is already 11.15pm, I will put a new Motorcraft filter and a new cap next to it tomorrow and measure.
The filter has some play in the cap but not excessive. But I pressed the filter into the seat of the cap when measuring.
The filter has some play in the cap but not excessive. But I pressed the filter into the seat of the cap when measuring.
