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Michael, I personally would not be worried if the engine was just =
idling and it was not being revved up or put under load. In my opinion =
there would be sufficient oil film on the bearing surfaces/cyl walls =
etc. to protect the metal surfaces.
=20
I have no suggestion to get pressure back, but while testing for oil =
pressure, pull the spark plugs and turn it over without generating any =
pressure in the combustion chamber. The faster spin may help prime the =
pump also. This is actually part of my break in procedure on new =
engines =E2=80=93 I always spin them up with no plugs until I get an oil =
pressure reading.
=20
Best, Mirek
=20
From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of =
Michael Oritt
Sent: December-05-16 12:50 PM
To: Austin Healey
Subject: [Healeys] No oil pressure
=20
This morning I drained my old engine oil on my 100 and replaced the oil =
filter, then refilled the sump to the correct level and restarted the =
engine to check for oil pressure.
=20
After several seconds I became concerned when the oil pressure gauge =
needle stayed pegged. I also have a low oil pressure warning light, the =
sender for which is mounted to the block at the point where the flex =
hose normally attaches and it is staying lit. =20
=20
By this time I had run the engine for at least 30 seconds and was =
becoming very concered, so I shut it down, removed the valve cover and =
disconnected the banjo bolt going to the rocker shaft, then restarted =
the engine--no oil is coming out of the bolt.
=20
Thinking that perhaps the oil pump lost prime I removed the flex hose =
from the coiled copper pipe gong to the oil pressure gauge and back-fed =
some engine oil, then reattached the hose to the line but on restarting =
again nothing has changed.
=20
Though this has never happened before I have heard of oil pumps not =
repriming themselves and/or taking a while to do so after an oil change. =
I have already run the engine for at least a minute in the several =
restarts and am frankly concerned that serious damage may have already =
happened.
=20
Any thoughts or suggestions will be appreciated.
=20
Best--Michael Oritt
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-CA link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>Michael,=C2=
=A0 I personally would not be worried if the engine was just idling and =
it was not being revved up or put under load.=C2=A0 In my opinion there =
would be sufficient oil film on the bearing surfaces/cyl walls etc. to =
protect the metal surfaces.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> =
</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>I have no =
suggestion to get pressure back, but while testing for oil pressure, =
pull the spark plugs and turn it over without generating any pressure in =
the combustion chamber.=C2=A0 The faster spin may help prime the pump =
also.=C2=A0 This is actually part of my break in procedure on new =
engines =E2=80=93 I always spin them up with no plugs until I get an oil =
pressure reading.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> =
</o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'>Best,=C2=A0=
Mirek<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> =
</o:p></span></p><p class=3DMsoNormal><b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span lang=3DEN-US =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Healeys =
[mailto:healeys-bounces@autox.team.net] <b>On Behalf Of </b>Michael =
Oritt<br><b>Sent:</b> December-05-16 12:50 PM<br><b>To:</b> Austin =
Healey<br><b>Subject:</b> [Healeys] No oil =
pressure<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>This morning I drained =
my old engine oil on my 100 and replaced the oil filter, then refilled =
the sump to the correct level and restarted the engine to check for oil =
pressure.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>After several seconds I =
became concerned when the oil pressure gauge needle stayed pegged. =
I also have a low oil pressure warning light, the sender for which is =
mounted to the block at the point where the flex hose normally attaches =
and it is staying lit. <o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>By this time I had run =
the engine for at least 30 seconds and was becoming very concered, so I =
shut it down, removed the valve cover and disconnected the banjo bolt =
going to the rocker shaft, then restarted the engine--no oil is coming =
out of the bolt.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>Thinking that perhaps =
the oil pump lost prime I removed the flex hose from the coiled copper =
pipe gong to the oil pressure gauge and back-fed some engine oil, then =
reattached the hose to the line but on restarting again nothing has =
changed.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>Though this has never =
happened before I have heard of oil pumps not repriming themselves =
and/or taking a while to do so after an oil change. I have already =
run the engine for at least a minute in the several restarts and am =
frankly concerned that serious damage may have already =
happened.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>Any thoughts or =
suggestions will be appreciated.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span =
style=3D'color:#3333FF'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'color:#3333FF'>Best--Michael =
Oritt<o:p></o:p></span></p></div></div></div></body></html>
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