Resovior still draining
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Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
Resovior still draining
so it would seem i've checked all i can but my res. is still draining down about three inches in 8 hrs or so. I will let it sit 24 hrs and see if it leaks down any lower over an extended sit. New inj o rings, no leaks in the heads, I thought it could be an internal crack inside the res housing so i removed it and blocked off the fill side and filled it with water and nothing leaked, even with pressure. So i bead blasted the whole thing inside and out and clean it out and reinstalled so ill see tomorrow and see if it leaks down. If it was a crack below the res wouldnt it drain completly? Im worried this will cause premature pump failure if it cranks up then runs dry till the lpop catches up. Also cant be good showing air through the injectors. I need to figure this out! I,m sure some of you are tired of hearing from me I just need to get it fixed. I feel like I,m constantly
this thing!!
this thing!!
Thread Starter
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Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
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Postmaster
Joined: Jan 2009
Posts: 4,006
Likes: 1
From: AL, Reform
here are 2 web that might help
Ask a Mechanic - A deep look at the 7.3L Power Stroke
http://www.fordtechservice.dealercon...iagnostics.pdf
Ask a Mechanic - A deep look at the 7.3L Power Stroke
http://www.fordtechservice.dealercon...iagnostics.pdf
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4000 rounds a min
Joined: Apr 2010
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From: Albemarle NC
A Little more Info, I realize you probably already know this but here.
The lubrication system is comprised of a low-pressure system and a high-pressure system. The lowpressure
system provides primary engine lubrication while the high-pressure system provides the hydraulic
pressure required to actuate the fuel injectors.
The low-pressure lubricating system draws oil from the engine oil pan (6675) through the oil pump screen
cover and tube (6622) into the oil inlet passage in the front cover. The gerotor oil pump then pumps the oil
back out through the outlet passage in the front cover. The oil separates into two paths.
One flow path sends oil into the high-pressure pump reservoir initial fill gallery (integral to the cylinder block)
and through the anti-drainback check ball. During cold start the oil feeds in two directions from the antidrainback
check ball. One feed leaves the check ball and enters the front cover. From there it enters the
high-pressure oil reservoir. The second feed exits the check ball and enters the left bank valve lifter oil
gallery.
After leaving the front cover outlet passage, the second oil path sends the oil through the oil cooler and filter
assembly. Once inside the filter housing, the oil filter bypass valve may open to vent excess pressure and oil
back into the oil pan. After the oil has been circulated through the oil filter, the oil feed then enters the main
oil gallery (integral to the cylinder block). Once in the main oil gallery, the oil is routed to the five crankshaft
main bearings (6333) through five drilled and machined feed galleries (integral to the cylinder block). The
five camshaft bearings receive the oil feed through five vertically drilled and machined feed galleries
connected to the main bearing feed galleries. The front main bearing feed gallery also supplies oil to the
right bank valve lifter oil gallery through a vertically drilled and machined oil feed gallery (integral to the
cylinder block). The rear main bearing oil feed gallery also supplies oil to the turbocharger assembly through
a vertically drilled and machined oil feed gallery (integral to the cylinder block).
Pressurized oil entering the turbocharger assembly is utilized to lubricate the compressor/turbine shaft. The
oil drains back through the turbocharger mounting pedestal and back into the oil pan. The valve lifter oil
gallery supplies pressurized oil to the valve tappets and to the piston cooling oil jets. Oil from the valve
tappets is routed upward to the cylinder head valve train through hollow push rods (6565). Once in the
cylinder head, the oil drains back to the oil pan through return ports at each end of the cylinder head.The lubrication system is comprised of a low-pressure system and a high-pressure system. The lowpressure
system provides primary engine lubrication while the high-pressure system provides the hydraulic
pressure required to actuate the fuel injectors.
The low-pressure lubricating system draws oil from the engine oil pan (6675) through the oil pump screen
cover and tube (6622) into the oil inlet passage in the front cover. The gerotor oil pump then pumps the oil
back out through the outlet passage in the front cover. The oil separates into two paths.
One flow path sends oil into the high-pressure pump reservoir initial fill gallery (integral to the cylinder block)
and through the anti-drainback check ball. During cold start the oil feeds in two directions from the antidrainback
check ball. One feed leaves the check ball and enters the front cover. From there it enters the
high-pressure oil reservoir. The second feed exits the check ball and enters the left bank valve lifter oil
gallery.
After leaving the front cover outlet passage, the second oil path sends the oil through the oil cooler and filter
assembly. Once inside the filter housing, the oil filter bypass valve may open to vent excess pressure and oil
back into the oil pan. After the oil has been circulated through the oil filter, the oil feed then enters the main
oil gallery (integral to the cylinder block). Once in the main oil gallery, the oil is routed to the five crankshaft
main bearings (6333) through five drilled and machined feed galleries (integral to the cylinder block). The
five camshaft bearings receive the oil feed through five vertically drilled and machined feed galleries
connected to the main bearing feed galleries. The front main bearing feed gallery also supplies oil to the
right bank valve lifter oil gallery through a vertically drilled and machined oil feed gallery (integral to the
cylinder block). The rear main bearing oil feed gallery also supplies oil to the turbocharger assembly through
a vertically drilled and machined oil feed gallery (integral to the cylinder block).
Pressurized oil entering the turbocharger assembly is utilized to lubricate the compressor/turbine shaft. The
oil drains back through the turbocharger mounting pedestal and back into the oil pan. The valve lifter oil
gallery supplies pressurized oil to the valve tappets and to the piston cooling oil jets. Oil from the valve
tappets is routed upward to the cylinder head valve train through hollow push rods (6565). Once in the
Thread Starter
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Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
Well to answer both your ?'s no I haven't checked the relief valve and for the other ? I have always felt my truck is weak. It's how I got into all this mess!! What would I be looking for? I had a manual gauge monitoring my low pressure a few days back and the numbers were good. 20psi at idle and 45psi at anything above that. Could this valve cause performance issues? Not trying to get sidetracked just wondering where the oil is draining to!
Thread Starter
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Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
I just pulled the plug it shows as being the releif and all it looked like was a drain. I stuck my magnet inside and it felt like a hollow cavity. Any thoughts? Am I missing something. I'm about to pull the filter off and take a look at the bypass valve.
Postmaster
Joined: Dec 2008
Posts: 3,340
Likes: 2
Does it look like this:
I found the pics in this thread: https://www.ford-trucks.com/forums/1...ief-valve.html
Sounds like it regulates the oil pressure by bleeding off excess to the pan.
I found the pics in this thread: https://www.ford-trucks.com/forums/1...ief-valve.html
Sounds like it regulates the oil pressure by bleeding off excess to the pan.
Thread Starter
|
Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
Does it look like this:
I found the pics in this thread: https://www.ford-trucks.com/forums/1...ief-valve.html
Sounds like it regulates the oil pressure by bleeding off excess to the pan.
I found the pics in this thread: https://www.ford-trucks.com/forums/1...ief-valve.html
Sounds like it regulates the oil pressure by bleeding off excess to the pan.