Aston Martin DB7, DB9, DBS, Vantage V8, Vanquish, and Classic models

Air Oil Separator (AOS) Oil Catch Can Installation

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Old Jun 11, 2021 | 10:13 AM
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Air Oil Separator (AOS) Oil Catch Can Installation

Hey guys,

Just got around to installing an Air Oil Separator (AOS) Oil Catch Can into my 2013 V8V. Rich from redpants.lol supply the kits.

Created a quick and dirty how-to and time-lapsed the install.


Very easy installation. Just replace the PCV and intake manifold line with the new supplied lines.
Remove the bolts behind the PS reservoir and use those holes and bolts for the new bracket. (all 8mm)
Line up the new lines and bracket to the catch can bracket and install the final bolt and nuts.
Zip tie the ends on the new lines once everything is lined up.

This will prevent any oil from entering the manifolds.




 
Old Jun 11, 2021 | 02:53 PM
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Awesome!
 
Old Jun 11, 2021 | 04:31 PM
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Thank you Andrew for posting yet another fantastic tutorial.

Was oil oil getting into your intake manifold?
 
Old Jun 11, 2021 | 05:31 PM
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Originally Posted by superuser
Awesome!
Thanks!

Originally Posted by MAUMAU
Thank you Andrew for posting yet another fantastic tutorial.

Was oil oil getting into your intake manifold?
Thanks, Rob! There was oil residue when I took the hose off. You can see it in the video. I've always put catch cans in my cars, just didn't realize they made one for this car until recently.
 
Old Jun 11, 2021 | 05:54 PM
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I installed one on our 2007 V8V a little over 2 years ago. I usually get somewhere a little under 1/2 cup over 4,500 miles. I drain it when I change the oil.



This last time I forgot to drain it during the oil change so this was about 6,000 miles of driving I think
 

Last edited by kdm; Jun 11, 2021 at 05:57 PM.
Old Jun 12, 2021 | 11:08 AM
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Originally Posted by kdm
I installed one on our 2007 V8V a little over 2 years ago. I usually get somewhere a little under 1/2 cup over 4,500 miles. I drain it when I change the oil.



This last time I forgot to drain it during the oil change so this was about 6,000 miles of driving I think
Wow, that is a lot. Imagine that going into your manifolds. Good to know how often to change it. I was planning on changing with my oil change cycle too. I only drive about 3500 so that will work. Thanks for sharing!
 
Old Jun 12, 2021 | 11:54 AM
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Would really like a nice neat maybe single bottle installation for the DB9.
 
Old Jun 12, 2021 | 12:33 PM
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Originally Posted by V12Stealth
Would really like a nice neat maybe single bottle installation for the DB9.
Me too
 
Old Jun 13, 2021 | 09:09 AM
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Originally Posted by V12Stealth
Would really like a nice neat maybe single bottle installation for the DB9.
Originally Posted by yvr
Me too
Hey guys here is a guy Aston1936 who installed a Mishimoto Catch Can and DIY plumbing. Full write-up specifically for the DB9 V12.

https://aston1936.com/2020/06/08/ins...rapide-or-db9/

Best of luck. Very cool project if you're interested.
 
Old Jun 13, 2021 | 11:32 AM
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Originally Posted by V8Vdrew
Hey guys here is a guy Aston1936 who installed a Mishimoto Catch Can and DIY plumbing. Full write-up specifically for the DB9 V12.

https://aston1936.com/2020/06/08/ins...rapide-or-db9/

Best of luck. Very cool project if you're interested.
This is an interesting approach. He has intercepted the crankcase breather before it gets to the PCV harness and sends it to the catch can first. Its a stealthy install for people who have to pass visual emissions tests.
 
Old Jun 14, 2021 | 05:32 AM
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Originally Posted by V12Stealth
This is an interesting approach. He has intercepted the crankcase breather before it gets to the PCV harness and sends it to the catch can first. Its a stealthy install for people who have to pass visual emissions tests.
He has other videos that help out the DB9 V12 world and is very smart. I've never heard of visual inspection for emissions, but it shouldn't hurt the chances of passing. I feel as if catch cans should be standard on cars :P
 
Old Jun 14, 2021 | 04:58 PM
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Originally Posted by V8Vdrew
I've never heard of visual inspection for emissions, but it shouldn't hurt the chances of passing.
California has visual emission inspections. Anything that touches anything related to emissions without a C.A.R.B sticker on it will fail. So a typical catch can will fail emissions because you are tampering with the PCV system and it will be easy for the inspection station to see.
 
Old Jun 15, 2021 | 04:25 AM
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Originally Posted by V12Stealth
California has visual emission inspections. Anything that touches anything related to emissions without a C.A.R.B sticker on it will fail. So a typical catch can will fail emissions because you are tampering with the PCV system and it will be easy for the inspection station to see.
DAYUMMMMM Cali stinks. How does anyone mod their car in that state. I used to see the best-looking cars come from there. Here in MD, you can slip the emissions guy a 20 and off you go haha jk. They wouldn't know what a catch can was to save their lives. We have 24 self-service kiosks that you hook up an OBD connector to. It's for cars that are newer so I never have to go through the line and have a person do it.
 
Old Jun 15, 2021 | 04:42 AM
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Originally Posted by V8Vdrew
DAYUMMMMM Cali stinks. How does anyone mod their car in that state. I used to see the best-looking cars come from there. Here in MD, you can slip the emissions guy a 20 and off you go haha jk. They wouldn't know what a catch can was to save their lives. We have 24 self-service kiosks that you hook up an OBD connector to. It's for cars that are newer so I never have to go through the line and have a person do it.
emissions test? what are those?
 
Old Jun 15, 2021 | 05:59 AM
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Originally Posted by MRCW
emissions test? what are those?
Exactly!

Our vehicles are registered where we spend our winters and there are zero inspection requirements. This means no asinine inspection stickers and only one rear license plate required.

 
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