AOS Manometer in LA/OC
#1
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
I was watching a video and Jake Raby showed a device that plugs in to your oil filler tube that can check the health of your AOS. Does anybody have this tool around LA or Orange county so i can test my 997.1 ? there doesn't seem to be any reason to buy it just for one use.
Thanks!!!
Thanks!!!
#2
Rennlist Member
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
Take a look at this thread. It has pics of an inexpensive manometer I built to test my 997.1.
https://rennlist.com/forums/997-foru...g-or-both.html
https://rennlist.com/forums/997-foru...g-or-both.html
#5
Rennlist Member
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
Most failures are without warning.
There can be catastrophic results if enough oil in the combustion chamber causes hydrolock.
Symptoms:
-Sudden increase in:
-----oil consumption
-----mucho oil in the intake path
-----smoke from the exhaust tailpipes; usually a lot of smoke
-Excessive crankcase vacuum (seen at the oil filler tube; normal value for 997.1 is about 4-6 inches of water)
-High-pitched screech/squeal when engine is running
There's an aftermarket AOS that supposedly is more efficient and lasts longer. https://ultimateaos.com/
If going stock, always buy a Porsche branded part. Even then, some AOSs fail right out of the box.
Last edited by jchapura; 08-04-2024 at 10:18 PM.
#6
Rennlist Member
![Default](https://rennlist.com/forums/images/icons/icon1.gif)
I feel lucky. Zero noises, zero oil consumption. Car has lived a rather easy life though. Maybe I'll change it later this year as a preventive maintenance. Thank you.