Whaaa, I guess i need to make a valve cover tool and pull the valve cover off :(

Its torn, such a minor thing to the issue I have now, I wish it was the only thing I had to think about.

God I hope this works.....

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This doesn't look like a oe plug. :confused:

uh oh that don't sound good. :confused:



When looking from the tranny which way does the motor turn? Clock wise or counter?

Counter clockwise looking from the transmission end....

An observation - if the cambox is (over) full of oil, yes could you have a faulty (or inefficient) oil pump on that particular side ?? You say the pump looked OK - how did you test it?
But you probably thought of that already......

OK there is no way this can be right. I drain over a gallon of oil out of the valve cover!
Attachment 16572

Is there a port from the oil pan to the timing cover area?:confused:

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Actually the pump physically looks okay. But dunno. Normally unless this type has deep scores it is good.http://img.tapatalk.com/d/12/09/22/mugazudy.jpg

Could I have the wrong pump on there?

As in a front pump in the rear or two front pumps?

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HS
As you probably know, there are 3 oil pumps, one in the crankcase and one in each cambox / valve cover.
If you drained a gallon (+/- 4 litres) of oil from ONE valve cover, that's nearly 50% of the total engine oil capacity.....
What does the oil level on your dipstick look like after everything has cooled and settled ? Low?
Looks to me like something ain't right with the oil scavenging pump or oil return path - where does the pump discharge to?
Perhaps one of our resident professionals can chime in on this....

You could also have an obstruction inside te engine oil passages that return the scavenge oil from te cylinder head into the crankcase and then down to the swirl pots to be defoamed.

We see intake valve stem seals go bad that cause as much oil consumption and chamber contamination as anything else, which is something else to consider.

The pumps are also installed incorrectly in their bores or the body is disassembled and phased incorrectly into the housing. If these things happen it won't move any oil.

Jake might be on to something:

What oil are you currently using?
Have you always used this oil?
Could it be oil foaming at high RPM that is causing an oil pumping problem?

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Well this sucks. I really hope I changed the clocking of the pump in the housing by mistake when I inspected it. I spun the shaft clockwise (looking at the shaft) in oil and it blew out oil from the correct port. I blew air into the valve cover pickup port and no blockage. I pulled the pan and blew air into the output pressure port and air came out freely from the drivers swirl pot.

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Can these pumps stall or can a air bubble cause the pump not to suck oil? I wonder if a lighter oil would help.

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Jake, have I covered all the things that can go wrong? the cam plugs seem intact. :confused:

The oil in the intake and AOS basically tells me the valve stem seals are not the issue.

http://986forum.com/forums/attachmen...oil-pumpon.jpg

This picture almost looks like there is an arrow drawn the other direction in black marker. :confused:

Could the pump just have a low output causing it not to keep up with the oil buildup? Or maybe a oil passage port plug has come loose,or not not installed correctly?


Somebody really hates me!!!!!!

http://3.bp.blogspot.com/_8aXXVO21GL...rying_baby.gif

I think I will put this back together and cross my fingers... Yeah that will help.



Then pull the motor, find a way to pressurise the oil system and look for abnormal leaks in the head. that or just bypass the AOS system.

HS
If I'm reading this right, your valve cover (cambox) is over full of oil, so that means its filling OK from the main oil pump but not being pumped out by the cylinder head oil pump.

Before pulling engines wouldn't it be prudent to test the pump output on the bench (or even swapping / comparing pumps with the other cylinder) and if OK, pressurize the pump discharge port in the head to make sure that there is no blockage downstream of the pump.
Even oil from a hand operated oil can should be able to create enough pressure to see if the oil discharges into the sump.....