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Planet-9

Technical information 1726

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4 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHTechnical information 1726

Leading reported evidence

Replace by the dealership

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
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

There are reports of some users here who had the so called "control piston" of the oil pump replaced by the dealership, but the noise came back.

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Technical information 1726
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Leading evidence: 'Replace by the dealership' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace by the dealership' (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.

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1 matching discussions · 4 captured posts examined · 1 partial discussions

Frequently discussed actions (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace by the dealership

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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

There are reports of some users here who had the so called "control piston" of the oil pump replaced by the dealership, but the noise came back.

Original post Read captured discussion
Technical information 1726
Coverage and how to read this overview

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.

4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Planet-9: 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: 20261026T142254Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

Hi there I have the "screeching noise during engine warm-up" issue on my 06 Boxster S. There are reports of some users here who had the so called "control piston" of the oil pump replaced by the dealership, but the noise came back. Question for you guys. If I just leave this issue alone (noise will disapear after 5mins of driving anyway), will there be any negative side effects or harm for the engine? Thanks and rgds, Stefan

POST 2Original post

Take it to your dealer. There is an update to a pressure relief valve that will solve this.

POST 3Original post

I had that problem in my old 05 Boxster. They did the piston release mod and te noise while still there was 95% quieter! My Cayman does not have this issue at all. Also my Boxster's engine blower would come on quite a bit. I never had it come on in my Cayman yet (over a yaer old.)

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