Hot!Sudden loss of oil pressure...

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Frenchy
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Re: Sudden loss of oil pressure... 2018/11/22 21:07:06 (permalink)
**** !

Porsche 944 Turbo S (M758) Black 88.
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Giles_Paul
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Re: Sudden loss of oil pressure... 2018/11/23 10:17:31 (permalink)
Hi guys, thanks for the many helpful replies. I tried the old ‘known‘ filter and reprimed the pump. No difference.
Ive ordered the flywheel locking tool from my local dealership, and will be attempting that next. 
Failing that, I will overfill her and limp her back to my workshop and start pulling things off to find the real issue. 
Really appreciate your help with all of this guys, thanks.
Giles_Paul
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Re: Sudden loss of oil pressure... 2019/01/22 22:24:49 (permalink)
Sorry for the massive delay in posting a reply on here guys. With a house move and a new business the car was left for a month as I just didnt have time to look let alone start investigating.
 
To cut a very very long story short... we tried all of the easier options, ie PRV, crank bolt, new oil filter, priming oil filter and galleries etc to no avail. I really did not want to drop the sump, and since it had been perfect until left overnight I was sure that the cracked pickup seemed unlikely. 
 
We decided that since the gallery running down the side of the engine is so long, and since we had done such extensive works there was a slim chance that the pump had lost prime. Slim yes, but worth a shot.  We turned up a boss to fit in the dipstick hole with an O-Ring and an airline fitting, and clamped off the breather pipes, removed the plugs, and took out the DME. Whilst applying 30 psi to the airline/dipstick we cranked her over. First time we looked miserable as sin as the reality of sump removal looked inevitable, but we persisted stubbornly and sure enough, she started to build pressure on the gauge. 
 
Once at normal pressure, we connected everything back up, and trial started her, she now purrs happily!
 
Ive since put about 1500 miles on her, and have to say the work we have done has transformed her. I had to remove the rear coils from the SPAX shocks as even after dialling in the rear torsion bars she was too heavily sprung and didnt like anything bumpy mid corner. Since that I have just had smiles. 
 
Next project is sorting the lights. Then potentially a set of Brembos, and maybe even new wheels?!? Not sure at the moment but aesthetically the rear looks a little ’narrow’. Lots to do but at least I can enjoy her now.
 
Thanks again for the support and help! Look forward to meeting a few of you at future events now I can get there!!
 
Dan944t
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Re: Sudden loss of oil pressure... 2019/01/22 22:44:20 (permalink)
This is excellent news! 👍
 
well done mate. And congrats on the new business nice one.
 
i was actually going to sugest trying to put some compressed air down the dipstick as I’ve seen eldres on fCebook do this to a 944 with no oil preasure before but hoped that one of the things we suggested would have sorted it , but main thing is it seems to have done the trick so happy days!!👌🏼😉
 
 
edh
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edh Guest of the Club
Re: Sudden loss of oil pressure... 2019/01/23 09:49:27 (permalink)
That must be very satisfying..
I found priming the oil pump to be a complete pain...  I finally managed it by using a vacuum pump on the fuel pressure sensor port to draw oil through the pump.

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