How to Replace the Air Oil Separator AOS on Porsche Boxster 986.2 and 987 plus Cayman
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- čas přidán 20. 11. 2021
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How to Replace the Air Oil Separator AOS and clean the throttle body on Porsche 911 996.2 997 Boxster 986.2 and 987. You can save yourself the hassle of the lower clamp by using a screw type hose clamp.
These parts may be for your 986 and you should confirm with your local Porsche dealer with your VIN number as different markets have different emissions fittings in these areas of the engine. If you have a 987 you will need to check to see what parts you will need for gaskets and rubber sleeves. There are great parts diagrams here www.design911.co.uk/ or check with your local Porsche dealer.
Throttle body gasket 99611031802 on Amazon amzn.to/3nAFHeG
2 or 3 depending on your cars emissions back intake seal rubber sleeves 99611068601 amzn.to/3nFiQyI
maybe 1 front intake seal rubber sleeve (left of T Pipe) depending on emissions 99611068552 amzn.to/30L5ac8
1 intake seal rubber sleeve with check valve hole (right if T Pipe) 99611068501 amzn.to/3nAGlZE
Air oil separator for 2003 onwards 99610702601 amzn.to/3DEEQzh
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Disclaimers
We will take no responsibility for any errors in our videos causing damage to person or property. These videos are for entertainment purposes only and you should always seek professional advice before doing any work on your car.
This video description may contains links to different companies. Some are just the parts used and some that have helped us out with discounts.
I have been working on my own cars for many years but I am a self taught Do It Yourself, shade tree mechanic. I am NOT a professional mechanic. I do not have any formal automotive training.
The Eddy’s Garage assumes no liability for anything you choose to do to your car, before, or after watching one of our videos or utilising products or the content from this channel.
All DIY repairs or modifications have a level of inherent risk to person and property (your car). Anything you do to your car are done so at your own risk. - Auta a dopravní prostředky
This was so well done. Thank you for taking the time to record each step and each problem and how you solved it.
No problem and thank you. Make sure you like the video so others can find it easily too.
This is by far the best detailed oil-air separator replacement for me particularly for 987-1. Very well made. I am proceeding with my 08' Cayman 987 with 2.7.
Thank you.
Thanks mate. Good luck with yours. If I did mine again I would order all new hoses that attach to the AOS so I know they weren’t cracked. Chasing vacuum leaks is a pain.
Great video Ed, your filming is excellent and execution perfect....
Thanks mate
Great video !! Very helpful!!!
Thank you so much for this. Very detailed and really helped me do this in around an hour. I had a pair of mini mole grips that were perfect for opening and keeping open the lower spring clip which is a real pig to get to as mine was tight. I found it easier to take it off the engine side first and put it back last. The only other thought is if you ever come across anyone claiming to be a Porsche mechanic with big hands, don't believe them!
No problem
45 minutes video says it all ……it’s a absolute mission
If you use some screw type hose clamps you will have an easier time
Great video, appreciate it, Thanks! Saving me at least a few hundred $$$!!
No problem. I hope you enjoy my other repair videos too
Nice. On my list!
I updated the description with part number and links. Check with your local dealer for the parts needed for your car in your are as some regions have different emissions fittings. My car (Australian) was different than a USA car. Hope you enjoy it!
Great stuff. I think I’ll try do it myself.
If I can do I then anyone can. It would have been easier to use screw type hose clamps but the originals look .. original.
Starter is going on my 03, so I figured now would be a good time to do this. Thank you for making a video just for our late 986s, the early ones looked totally different. Strangley, mine has allen head bolts instead of the reverse torx style. Wonder if mine has been replaced, or maybe they switched to that bolt for 04.
Glad it was useful
I try to switch the oil separator three times a week I had four separator pulled out put in it pain me some time make so mad
Most parts are not available on Amazon just looked and the last link for AOS is something completely different.?
Looks like Amazon has changed some links. Search the part number for the AOS for the facelift cars 99610702601. Your local Porsche dealer is often cheaper as well especially if your car is older and in eligible for the Classica discount and if you pickup they shouldn't charge freight.
It would help if you told the viewer the size of the Torx socket and clamp size. Did you also buy hose clamp pliers and extended screwdrivers and extended 11-16” needle nose pliers 45-90 degree?
I can’t remember the socket size sorry and I used a long needle nose but they were straight. I couldn’t film the final clamp but it was straight through from the back of the car with the needle nose. To be honest I should have just used screw type clamps. Those spring loaded ones are a pain in the butt.
I see that you had to wait for parts. How did you go about the engine considering you didn't have parts immediately to put on, did you use something to close the "open" holes so that dust/dirt doesn't get in ?
Just covered it with a shop rag like everyone who builds an engine does
Is it the same Part Number für the 987.2 (2.9l)? I can not find anything for the facelift :(
I believe the 987.2 is a different part number but if you call your local Porsche dealer’s parts department they are usually happy to help clarify
All 986s now have the updated AOS. When you order the part for even a 1998 Boxster they will send you the new version and you must buy a new upper hose as well
Check with Porsche because the pre facelift cars are bolted on from the side, the later cars like mine attach from the top
Out of interest, was there any difference to the way the engine performed after the AOS and intake clean? I.e. smoother idle or less smoke on start up. Cheers!
@@brightenupcc idle was better. I cleaned the MAF at the same time which would have helped as well. Do the oil pressure release valve too for better startup oil pressure. I did a video on it as well
I change everything and I bought the oil separator the fourth One still smoke every time I start
Any oil in the intake manifold? We didn’t have any but I cleaned it in the video. EMD Porsche Specialist have a great video on a detailed cleaning
@@TheEddysGarage I did everything I change oil still white smoke when started the car I’m so shame to the people I drove Porsche start smoking so bad
@@TheEddysGarage when the winter cold white smoke German car suck I had bmw and Mercedes C350 the same now I hate Germany car not good quality some people lucky me not lucky Germany I spent a lots for part and fixing
Did you post the links to parts?
Will do tomorrow. I just put the video together tonight and have to get the invoices out. Remember the earlier Boxster’s and 996 991s have a different AOS that bolts on from the side
I updated the description with part numbers and links. Check your parts with your local Porsche dealer with your vin because it looks like different markets have different emissions attachments. Namely the rubber connectors on the T part of the intake. Mine had one check valve on the right, some have one on both sides. No big deal because you can plug the hole if you get 2 with the holes.
@@TheEddysGarage thanks! Appreciate it
I cleaned everything too but when I start white smoke
Porsche recommend a thicker oil for 996 and 986 now. That might help. And a good time to update the oil valve like in our other video
@@TheEddysGarage I use the 0w40
I used the 0w40 all the time I might change to 10w30
Yes rubber cracked. I never use any lf this old rubber or plastic. All off with me.
Good job. It will be like new
He says that throttle body is in need of cleaning bwahaha dude that’s almost completely clean. Haha also can buy silicone boots in any size from a large number of US suppliers. Doesn’t need to be factory. Just take measurements and order new ones.
Just doing the “while I’m in there” jobs with this one. Good tip on the silicone boots however I’m in Australia but thanks anyway 👍