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Yes, another "what's that noise" post

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9 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHYes, another "what's that noise" post

Leading reported evidence

Replace plugs and coils a few weeks ago

Performed · outcome unconfirmed

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
1
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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

I changed the plugs and coils a few weeks ago.

Original post Read captured discussion
Yes, another "what's that noise" post
Frequently discussed work

Replace exhaust gaskets and see what happens

No successful repair reported for this finding.

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Reported fixes
0
Unsuccessful attempts
1
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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

I'm thinking I'm going to replace all the exhaust gaskets and see what happens

Original post Read captured discussion
Yes, another "what's that noise" post
Read full discussion summary

Leading evidence: 'Replace plugs and coils a few weeks ago' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace exhaust gaskets and see what happens' (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 · 9 captured posts examined · 0 partial discussions

Compare 2 other evidence results

Replace exhaust gaskets and see what happens

Suggestion or failed attempt

No successful repair reported for this finding.

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

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

I'm thinking I'm going to replace all the exhaust gaskets and see what happens

Original post Read captured discussion
Yes, another "what's that noise" post

Replace pace

Suggestion or failed attempt

No successful repair reported for this finding.

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

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

It seems to make the noise at idle, and when decelerating from 2K rpm down to idle, and changes pace with the rpm's

Original post Read captured discussion
Yes, another "what's that noise" post
Frequently discussed actions (3)

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

Replace exhaust gaskets and see what happens

No successful repair reported for this finding.

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

I'm thinking I'm going to replace all the exhaust gaskets and see what happens

Original post Read captured discussion
Yes, another "what's that noise" post

Replace pace

No successful repair reported for this finding.

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

It seems to make the noise at idle, and when decelerating from 2K rpm down to idle, and changes pace with the rpm's

Original post Read captured discussion
Yes, another "what's that noise" post

Replace plugs and coils a few weeks ago

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

I changed the plugs and coils a few weeks ago.

Original post Read captured discussion
Yes, another "what's that noise" post
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.

9 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: 20261026T103553Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I need help from the 996 guru's on the board I have a persistent chirping noise that is making me nuts 2003 996 The chirping only happens when the motor is cold, or has sat for 30 min and cooled some. As soon as the motor is warmed up the chirp goes away It seems to make the noise at idle, and when decelerating from 2K rpm down to idle, and changes pace with the rpm's I also removed the belt to see if was an accessory that was making the noise, but it was still there with the belt off Here is a vid of the sound, recorded from the passenger side Clutch, ims and rms about 5k ago trim.16782532-47B1-4CB3-AC0F-DB1918D2CA07.MOV

POST 3 / ORIGINAL POSTEROriginal post

I forgot to add that I changed the plugs and coils 2 weeks ago, the noise was there before and is stilll there, so it's not a loose spark plug

POST 4Original post

My guess is exhaust leak of some kind. When the pipes heat up it goes away. That's why it comes back after sitting for only 30 min the engine will still be hot but the pipes will be cooled off.

POST 5 / ORIGINAL POSTEROriginal post

That was my thought too, but what confounds me is that it's louder when decelerating, not getting on the gas

POST 6Original post

My guess would be leaking/cracked exhaust manifold

POST 7Original post

I have a similar noise on my 2004 C4S. I changed the plugs and coils a few weeks ago. While the mufflers were still off, I started up the engine and the noise was not present. I have concluded that my noise is in the exhaust system somewhere, but haven't dug any deeper. Mine is coming from the driver side. I will take some video of mine for comparison.

POST 8Original post

My chirp at idle. You Tube Slight Rev. You Tube

POST 9 / ORIGINAL POSTEROriginal post

They do sound the same I'm thinking I'm going to replace all the exhaust gaskets and see what happens If you find out what is causing it, please pm me

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