Here is a good article on troubleshooting low oil pressure.
http://www.aa1car.com/library/us1097.htm
I have had several older cars that would light the oil pressure light or show
less than 10 pounds on the gauge at warm idle. They stayed that way for years
with no problems. It is typically caused by by wear which increases clearance
among the parts and bleeds off some of the pressure. As long as pressure rises
to normal levels above idle, it is often not a problem. If it drops all the
way to zero at idle or doesn't rise very high at higher RPM, then you have a
real problem.
Scott
-----Original Message-----
From: Larry Ankeny <lvphotogroup@cox.net>
To: Greg Schroeder <gschroeder@comcast.net>; Bricklin@autox.team.net
Sent: Sun, Apr 24, 2011 1:44 am
Subject: Re: [Bricklin] Oil Pressure
I know that as the oil heats up it gets thinner (like when you heat pancake
syrup it gets thinner). When the oil gets thinner, the pressure goes down
because it is easier to pickup.
but if it is getting to the point that the light stays on, the pressure is too
low. I would drop the pan and take a look to see if the lifting tube had
slipped down and it is sucking air. But is you drop the pan, you might as well
just change the pump. they are not that much.
This probably didn't help you any.
Larry in LV
#2046
----- Original Message ----- From: "Greg Schroeder" <gschroeder@comcast.net>
To: <Bricklin@autox.team.net>
Sent: Saturday, April 23, 2011 7:13 PM
Subject: [Bricklin] Oil Pressure
> My oil pressure is fine when I start the car and drive for a little while >
it
> will idle fine in gear, with the brake and ac on. Even after the choke >
turns
> off it is fine After the car gets up to temp (around 180) when I stop the
> idle has decreased and the oil pressure light starts to blink or stay on. >
The
> car still runs, but I would like to know if anyone knows the cause of this >
so
> I can address it.
>
> Greg 0036
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