no oil pressure - Team Camaro Tech
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post #1 of 15 (permalink) Old Jan 4th, 05, 09:11 PM Thread Starter
 
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hey guy, last night my car(LT1)read no oil pressure. so i changed the pump and changed my oil. I started the car with new pump and still no pressure, so i checked my oil filter to see if it atleast filled it up,no oil. did i miss some thing else.please help.

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post #2 of 15 (permalink) Old Jan 4th, 05, 09:22 PM
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Do you hear any rod knocking noises coming from the bottom end? A spun rod bearing will drop your oil pressure mighty quick. Been there and done it.
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post #3 of 15 (permalink) Old Jan 4th, 05, 09:43 PM Thread Starter
 
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no noise just no oil pressure

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post #4 of 15 (permalink) Old Jan 5th, 05, 01:34 AM
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Is this a new engine?? Maybe some body left the galley plugs out in back of the timing gear. And the oil pump drive shaft is in place??
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post #5 of 15 (permalink) Old Jan 5th, 05, 04:42 AM
 
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Have you checked the sending unit? Chances are that its dead. Give it a shot [img]smile.gif[/img]
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post #6 of 15 (permalink) Old Jan 5th, 05, 05:30 AM
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Quote:
Originally posted by maxharvard:
Have you checked the sending unit? Chances are that its dead. Give it a shot [img]smile.gif[/img]
Hey Eric, welcome! I'd also double-check the gauge, try putting a known good separate gauge on there. If you truly have no oil pressure you'll know it very quickly.

Jody


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post #7 of 15 (permalink) Old Jan 5th, 05, 06:40 AM
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Quote:
so i checked my oil filter to see if it atleast filled it up,no oil.
Don't think it'll be the guage or sender, sounds serious.





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post #8 of 15 (permalink) Old Jan 5th, 05, 06:55 AM
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Pull the distributer and "pre-oil" with a drill. If this works, then check the dist. for problems as it has no drive. If nothing is found, someone left out a plug or two in the oil gallies.

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post #9 of 15 (permalink) Old Jan 5th, 05, 11:05 AM
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hmmm, a good idea, but the "distributor" on an LT1 hangs off the front of the cam, behind the water pump, and I don't have a clue how the things drive the oil pump, other than this one ain't doin it.





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post #10 of 15 (permalink) Old Jan 5th, 05, 02:10 PM
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Quote:
Originally posted by JimM:
hmmm, a good idea, but the "distributor" on an LT1 hangs off the front of the cam, behind the water pump, and I don't have a clue how the things drive the oil pump, other than this one ain't doin it.
The 92-97 LT1's still have a distributor stub in the normal location to drive the oil pump off the cam gear. Unfortunately you'd have to remove the intake to get to it, but once off a regular priming tool could be used.

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post #11 of 15 (permalink) Old Jan 5th, 05, 03:28 PM
 
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Might be the plug way inside that plugs onna the through holes under/next to the rear main, (I think)??

help me out here guy's, I know it's there but I have never R&R'ed it so am kinda at a loss explaining it better....

All of the rest of them are kinda external plugs except for this one!!!

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post #12 of 15 (permalink) Old Jan 5th, 05, 05:03 PM
 
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So this is a new engine? and not just a normal oil change and new filter that found the problem.

I built my SBC engine from mail order parts and used a oil pump that I had from previous motor. I opened up the previously used oil pump just to see what it looked like inside. When I re-assembaled the oil pump I phased the cover plate 180*. This took me about a month to figure out. it would not even pump oil into the filter area when oil filter was removed.
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post #13 of 15 (permalink) Old Jan 5th, 05, 08:34 PM Thread Starter
 
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no my car does not have a new engine is the original block

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post #14 of 15 (permalink) Old Jan 6th, 05, 01:23 AM
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Has this engine been rebuilt, or is this engine the original one and it has not had major work done to it?

I agree with JimM, serious problem if the oil filter isn't full of oil and the engine runs. I would think if an external oil galley plug was left out, he would notice a puddle somewhere. An internal plug missing, say behind the camshaft sprocket, the gauge would still read, just low pressure, ie, 10 psi or so.

If the oil pump has been off, then its shaft is not coupled to the dummy dist(?) stub, the oil pressure relief valve is stuck open, or noy enough oil in pan, pickup restricted or placed wrong,

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post #15 of 15 (permalink) Old Jan 24th, 05, 10:54 PM Thread Starter
 
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thanks guys for giving me clues were to check the problem was the oil pump driveshafr assembely the one in the back of the inside intake manifold comected to the cam it was worend out thank alot

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