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Discussion summary
YOUR RESEARCHAOS vent line mystery.
Leading reported evidence
Use after engine number m 663 09952>>>>
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Performed · outcome unconfirmed
The "two bolt connector" is used for after engine number M 663 09952>>>> .....
Leading evidence: 'Use after engine number m 663 09952>>>>' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace air oil separator' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
As part of my “engine out service” for my C2 02 I’m planing to replace The AOS with all its components.
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Suggestion · Original poster
I assume they will fit both UAOS and stock AOS as both use the same connection method?
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Generation: 20261027T005001Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
As part of my “engine out service” for my C2 02 I’m planing to replace The AOS with all its components.
i ordered the parts ahead of time and this is what I got.
on the right side of the picture is part 996.107.147.59 which supposed to fit year model 02-05.
on the left, is the part I removed from the engine. It doesn’t have part number on it, but based on the PET it’s part 99610714755 which should fit year model 99- 01.
On top of that, the connection pice (top center) shows part number 996.107.247.52 which doesn’t even show on the PET. The part that comes up for 99-01 is 996.107.047.51
Can I assume, that the part was changed in mid year production, starting with the connection piece?
edit: cannot find part 996.107.247.52 anywhere new. Google search brings up only used parts.
Yes, you need the 99-01 hose and connector if your 2002 is before engine number ..M >> 663 09950....it is the "one bolt connector"..
The "two bolt connector" is used for after engine number M 663 09952>>>> ..... and the hose that fits it is now updated with the connector "made on"..
I am going through all this as I am building "updated UAOS hoses" that will be made from a "lifetime material"...and not thin plastic..
Thanks for clarifying.
I did see your post regarding the upgraded lines. Pretty cool.
I assume they will fit both UAOS and stock AOS as both use the same connection method?
Edit: also do you happen to know what’s the deal with the connection piece part number?
Yes, they will fit both ..
From what I know about part supersession I think the connector part has been superseded several times , Probably even before it went into actual production...It could also be a casting number ( injection molded) and not an actual part number ...but the 996-107-047-51 is the one you need..
