Crap... HELP.. OIL PRESSURE!!
Post Fiend
Joined: Jun 2003
Posts: 5,643
Likes: 8
From: NE Texas
Okay - if you're serious... 
When you first drain and flush, you're not going to have any pressure to speak of. This procedure will take awhile and a little patience. But just to run it to clear the pump will be fine. No, I don't like it either, but whatcha gonna do?
These pumps work through gears machined to close tolerance. Any sludge in there is going to cause pressure against those gears - so one way or the other (without removing the pan and the front part of the engine) you're going to need to crank that engine over. If you have a good starter and battery, then do as krewat suggested. But it needs to turn over good and for about 3 minutes. Otherwise the chemicals in the flush won't do much good.
When you first drain and flush, you're not going to have any pressure to speak of. This procedure will take awhile and a little patience. But just to run it to clear the pump will be fine. No, I don't like it either, but whatcha gonna do?
These pumps work through gears machined to close tolerance. Any sludge in there is going to cause pressure against those gears - so one way or the other (without removing the pan and the front part of the engine) you're going to need to crank that engine over. If you have a good starter and battery, then do as krewat suggested. But it needs to turn over good and for about 3 minutes. Otherwise the chemicals in the flush won't do much good.
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