No oil pressure
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Freshman User
Joined: Feb 2003
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No oil pressure
I recently had a problem causing my crank case to fill up with gas tell it was spitting out of the oil fill. I fixed the problem but now I have no oil pressure. The gauge will barely come over to the L mark. Any ideas?
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Freshman User
Joined: Feb 2003
Posts: 33
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No oil pressure
yeah i changed the oil it wasn't ran too long it was in my drive way idling then it died and i kept crankin it over and then it fired and gas went evey where. oh and it runs better then it ever has since i bought it since i changed the plugs just no oil pressure
Senior User
Joined: Jul 2003
Posts: 193
Likes: 1
From: BC, Canada
No oil pressure
Gasoline and bearings don't mix well, and your lack of oil pressure is backing this up.
If you plan on keeping that engine in any kind of decent shape, a teardown is in order right away to determine the problem. It might cost a few $$$ now, but it'll cost a lot more later when you're picking your crank up off the road.
If you plan on keeping that engine in any kind of decent shape, a teardown is in order right away to determine the problem. It might cost a few $$$ now, but it'll cost a lot more later when you're picking your crank up off the road.
Senior User
Joined: Dec 2002
Posts: 168
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From: Omaha USA
No oil pressure
I would go and get some 50w racing oil and change the oil. If your bearings are thin, the thicker oil should hold a thicker film and thus create some pressure. It will buy you some time but at the very least, your cam bearings are probably worn very thin. Listen for any noises at about 1/2 throttle holding. If you hear any rattling then the bearings are worn.
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Freshman User
Joined: Feb 2003
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No oil pressure
I dont know if this makes any difference, but the oil perssure comes when i start it then it goes down after about 2 minutes
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Senior User
Joined: Jul 2003
Posts: 193
Likes: 1
From: BC, Canada
No oil pressure
The oil pressure goes up after a cold start because the oil hasn't reached temperature, so it's a lot thicker. This is a small possibility that the gas blew your oil pump to heck, but more than likely it's a bearing problem.
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Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
No oil pressure
Get a mechanical gauge, not one that reads "L----H". Come up with some Real Numbers. You may have loosened up a lot of sludge that is blocking the pickup in the bottom of the pan. May have ruint the bearings. You wont *KNOW* unless you know the real pressures. Does it tap?(lifters) Does it Rap? Does it Thud? Does it Knock? These sounds all mean different things, and you haven't mentioned one of them. Sorry to be mean, but you have left out a lot of relevant information....
tom
tom
Logistics Pro
Joined: Feb 2000
Posts: 3,565
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From: Sun River St. George
No oil pressure
Drain the oil and remove the filter. Before you put the drain plug back in the pan use a welding rod or stiff wire and "sweep the inside of the oil pan under the oil pickup. Could be that the gas washed a bunch of crap loose and it is clogging the pickup. You may be surprised at what you can sweep out of there. Use kerosene to flush out the pan, then change the oil and filter to whatever you like. If you are lucky the oil pressure will return to what you had before. If not listen for engine rattle on startup, this indicates you need a set of bearings. Post back, we like to see how these turn out.
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