3 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHAOS breather hose keeps popping off
Leading reported evidence
Check correct position of the scavenger pumps, just
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed · Original poster
We also checked the correct position of the scavenger pumps, just to be sure.
Leading evidence: 'Check correct position of the scavenger pumps, just' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check correct position of the scavenger pumps, just' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
Since we replaced the AOS (1) on the 2000 996 and replaced the rubber o-rings (12) on the breather hose (4) on both sides, the breather hose will pop loose, most prevalently from the AOS connector side.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
Since we replaced the AOS (1) on the 2000 996 and replaced the rubber o-rings (12) on the breather hose (4) on both sides, the breather hose will pop loose, most prevalently from the AOS connector side.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
This will happen after running sustained RPM's over 5,000.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
Since we replaced the AOS (1) on the 2000 996 and replaced the rubber o-rings (12) on the breather hose (4) on both sides, the breather hose will pop loose, most prevalently from the AOS connector side.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
Since we replaced the AOS (1) on the 2000 996 and replaced the rubber o-rings (12) on the breather hose (4) on both sides, the breather hose will pop loose, most prevalently from the AOS connector side.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
3 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T020439Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Since we replaced the AOS (1) on the 2000 996 and replaced the rubber o-rings (12) on the breather hose (4) on both sides, the breather hose will pop loose, most prevalently from the AOS connector side.
This will happen after running sustained RPM's over 5,000. If you stay below there, even a few thousand miles will not "wiggle it" loose.
Could this be a pressure issue, a faulty AOS or just tired plastic squeeze connectors?
We also checked the correct position of the scavenger pumps, just to be sure.
Hard to imagine an otherwise healthy engine generating so much pressure -- blowby? -- that it causes the hoses/connectors to pop off.
It occurs to me it might be (long odds but...) a faulty AOS though blowing hoses off connectors is not an AOS failure symptom I've ever come across.
Which brings me to: Simplest explanation is the best and usually the correct one: Tired plastic squeeze connectors. I mean they're plastic, they work by squeezing...
That they've come loose now means they were wiggling around for a while before they came loose and this could have degraded the connection integrity to the point they'll never be right.
Not sure how hard/costly this is but I'd seriously consider renewing these.
I'm not at the car but you are or someone is and maybe looking things over with an eye to determining the feasibility of an alternative method of clamping and securing these hoses is worth the time/effort.
Trouble is these are not I believe designed to accept some other off the shelf hose/tube clamp device but a good mechanic might spot some suitable work around.
So trying to adapt something could bring with it more problems than it solves.
Thus, renew these along with the hoses to which they are attached would be my advice.
Sincerely,
Macster.
Normally those hoses are very difficult to remove, so it sounds like the built in clamps are worn out & relying on engine vacum to keep them in place. Once engine vacum drops at high rpm they work loose. Unless the new O-rings are the wrong size preventing the clamps from locking in place. My 2000 model has the original hoses which have been taken on & off many times with no issues.
This is a source reference. Confirm exact model applicability in the original material.
