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05-14-2004, 11:22 AM
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#1
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Oil pump question
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Naturally Aspirated
Join Date: Aug 2003
Location: PITTSBURGH, PA
1/4: 0.000
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OK
i have no oil pressure, so i figure the pump went bad, even though it is brand new, or something isn't properly aligned or installed correctly
anyways, should there be gasket material between the oil pump and where it bolts to the block?
if not, would this affect how the car runs if there was sealer there?
there is some kinda thick oil at the bottom of my pan when i took it off the past two times, is this normal?
On a side note, it looks kinda metally when you look at the oil, and i dont' think it should be so dark after only running the engine 5-10 minutes after changing the oil, i think its dark anyways.
any help??
Justin
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05-18-2004, 11:36 AM
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#4
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Naturally Aspirated
Join Date: Oct 2003
Location: Abbotsford, BC, Canada
My Ride: 1989 Turbo Caravan
Engine: 2.5L 8V Sohc
Induct: Turbo
1/4: 13.400
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Sounds like relief valve is stuck open. Also, with all that crap in your oil pan, sounds like you might have toasted your bearings. I would pull all your rods and main caps and inspect and check to see if the oil feed line to the turbo is clear. Its possible your turbo is damaged.
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05-18-2004, 01:06 PM
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#7
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Naturally Aspirated
Join Date: Oct 2003
Location: Abbotsford, BC, Canada
My Ride: 1989 Turbo Caravan
Engine: 2.5L 8V Sohc
Induct: Turbo
1/4: 13.400
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You could pack the oil pump with vaseline or trans gel-don't use wheel bearing grease as it won't dissolve. I usually just keep the plugs out, fill up the crankcase, disable fuel pump and crank till the idiot light goes out or guage shows pressure. Done that for many years and no problems.
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05-18-2004, 02:00 PM
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#9
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another tip...
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Naturally Aspirated
Join Date: Apr 2003
Location: Tyler, Tx
1/4: 0.000
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I have had problems before with getting my oil pump to prime after an oil change or when starting up a new engine with the pump packed even with vaseline-etc...
THis is what I do...
After it has oil in the pan... but no filter on yet...
I pour/ squirt 90wt oil (not grease!!) down the side-feed hole that goes down to the pump (this is actually where the pressurized oil comes directly out of the pump...
once I have sufficiently spilled/squirted a decent amount of oil down the hole... I fill up the oil filter with as much oil as I can get into it, then spin it on very fast to keep from spilling any more oil all down the front of the block (crappy oil filter placement!!!)
Then, I prime the engine by turning it over with the coil wire off... usually builds pressure in about 2-3 turns.. I turn it over 2-3 more times... replace the coil wire... fire up.. oil pressure goes to max instantly!!
Just another way to skin the cat...
RYNO
omnilet
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05-18-2004, 03:05 PM
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#11
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Naturally Aspirated
Join Date: Oct 2003
Location: Abbotsford, BC, Canada
My Ride: 1989 Turbo Caravan
Engine: 2.5L 8V Sohc
Induct: Turbo
1/4: 13.400
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 Quote:
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Originally posted by gerber1125
does that mean i would have to reset the timing all over again
i.e. line up the dots on the crank/int. sprockets and the cam sprocket and all that jazz?
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Yep, or you can use my method! "thumbs up
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05-18-2004, 03:26 PM
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#15
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Naturally Aspirated
Join Date: Oct 2003
Location: Abbotsford, BC, Canada
My Ride: 1989 Turbo Caravan
Engine: 2.5L 8V Sohc
Induct: Turbo
1/4: 13.400
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 Quote:
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Originally posted by lametec
instead of disabling fuel pump, could i make it so it doesn't start
by taking off coil wire, or spark plug wire, or whatever the method?
Yes. I usually just yank apart the two connectors for the HEP. That keeps spark and fuel from working.
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or at the fuel rail, disconnect the injector harness-this stops fuel from spraying down the bore and filling up the chambers with fuel.
Unless thats what he meant-don't personall know what HEP means, doh!
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