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928 GTS manual, no oil pressure?

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Old 08-04-2018 | 10:27 AM
  #16  
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worf928
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From: Gone. On the Open Road
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Originally Posted by Red Flash
Put everything back together. Pull the fuel pump relay and crank. You will see oil pressure by this method, if everything is working.
Originally Posted by SwayBar
This did not work for me.
Assuming you have an '87+ then either, you didn't crank (in intervals) long enough or you have something else wrong.

My post above isn't a theory: I do this each and every time the oil system has been drained (cooler and/or hoses) or if the engine has sat for more than 6-8 weeks without running.
Old 08-06-2018 | 04:11 AM
  #17  
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Originally Posted by Mrmerlin
fill the crankcase with oil,
then start the engine,
let it idle.

NOTE if you dont get oil pressure in 20 seconds then shut it off.
NOTE you should see indications of oil pressure in less than 5 seconds as a norm.

NOTE as obvious as it sounds after you start the engine and have oil pressure take a few mins to check for leaks
Thanks, I did this and pressure started to build after a couple of seconds. Got the red "Oil Pressure" warning once it fired up, but within 5 second pressure was back to normal.

I can confirm that (at least on my car) the pressure gauge do not show anything while cranking before the car fires up. I have confirmed by starting up after oil pressure is ok again and it's the same then.

Last edited by paalw; 08-06-2018 at 04:26 AM.
Old 08-06-2018 | 09:04 AM
  #18  
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From: Philly PA
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Glad it’s back to normal
It iwould be wise to take an oil sample to see if you have any metal in the oil
pull the dipstick and drop the oil in a black piece of cardboard look at the oil in the sun
Note this is just to verify that major damage was not caused by the original oil leak



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