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What's your best guess?

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

Discussion summary

YOUR RESEARCHWhat's your best guess?

Leading reported evidence

Replace ims bearing last year

Performed · outcome unconfirmed

No successful repair reported for this finding.

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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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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

I replaced the IMS bearing last year.

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What's your best guess?
Frequently discussed work

Check scary bits of metal/debris just

No successful repair reported for this finding.

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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

You can certainly drop the filter housing and check for scary bits of metal/debris just to be safe.

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What's your best guess?
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Leading evidence: 'Replace ims bearing last year' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check scary bits of metal/debris 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.

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1 matching discussions · 4 captured posts examined · 0 partial discussions

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Check scary bits of metal/debris just

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes
0
Unsuccessful attempts
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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

You can certainly drop the filter housing and check for scary bits of metal/debris just to be safe.

Original post Read captured discussion
What's your best guess?
Frequently discussed actions (2)

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

Check scary bits of metal/debris just

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

You can certainly drop the filter housing and check for scary bits of metal/debris just to be safe.

Original post Read captured discussion
What's your best guess?

Replace ims bearing last year

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 · Original poster

I replaced the IMS bearing last year.

Original post Read captured discussion
What's your best guess?
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.

  • 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: 20261026T212127Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I hit the rev limiter on my 996 mk2 and immediately developed a ticking noise that turned into an intermittent clanging. No loss in performance. I quickly shut it down and trailered it to my shop. I will be putting it up on the lift tomorrow and pulling the filter and sump cover to start investigating. I replaced the IMS bearing last year. There are 54,000 miles on the car. Anyone care to guess what I'll find as the problem???

POST 2Original post

I predict unrelated, especially if you were just pushing up to redline as opposed to a botched downshift. I think the rev limiter is going to prevent damage. Not saying your engine isn't damaged, just that it wasn't running it up to the rev limiter that caused it - the problem was going to occur anyway. As for a guess as to what it is, has your waterpump ever been changed?

POST 3 / ORIGINAL POSTEROriginal post

Waterpump is original. I'd be so happy if that's all it is.

POST 4Original post

Quotes source post: 13884575

Unless the clanging noise strongly suggests an internal engine problem dropping the sump plate is not the first thing I'd do. You can certainly drop the filter housing and check for scary bits of metal/debris just to be safe. I'd look to the accessory drive for some problem there and kcattorney beat me to the water pump.

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