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Weird noise when changing gear

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5 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHWeird noise when changing gear

Leading reported evidence

Use fist

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
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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.

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Performed · outcome unconfirmed
I've used my fist to pound on the exhaust system rather than a mallet.
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Weird noise when changing gear

Frequently discussed work

Check shields, too

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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.

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Suggestion
Check the shields, too.
Original post Read captured discussion
Weird noise when changing gear

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Leading evidence: 'Use fist' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check shields, too' (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 · 5 captured posts examined · 0 partial discussions

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Check shields, too

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Suggestion
Check the shields, too.
Original post Read captured discussion
Weird noise when changing gear

Replace from 1st

Suggestion or failed attempt

No successful repair reported for this finding.

0
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.

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Suggestion · Original poster
I hear this mostly when changing from 1st to second then 2nd to third..........as the engine revs drop, I hear a kind of "rattle".
Original post Read captured discussion
Weird noise when changing gear

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.

Check shields, too

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
Check the shields, too.
Original post Read captured discussion
Weird noise when changing gear

Replace from 1st

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 hear this mostly when changing from 1st to second then 2nd to third..........as the engine revs drop, I hear a kind of "rattle".
Original post Read captured discussion
Weird noise when changing gear

Use fist

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've used my fist to pound on the exhaust system rather than a mallet.
Original post Read captured discussion
Weird noise when changing gear

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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.

5 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: 20261026T094842Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I hear this mostly when changing from 1st to second then 2nd to third..........as the engine revs drop, I hear a kind of "rattle". Sounds to me like some exhaust baffles are rattling around. I know that without a sound clip it's difficult to say but does anyone have any experience of this on their car?

POST 2Original post

Yes. My money says you either have loose heat shielding around your exhaust, or one or both catalytic converters are starting to chunk. Some time with the car backed onto ramps and a rubber mallet should help you isolate the source of the issue.

POST 3 / ORIGINAL POSTEROriginal post

Quotes source post: 11386476

Good idea! Thanks for the tip.

POST 4Original post

Easy with the mallet. The converter portion of the exhaust system are ceramic and if one is not loose you can knock it loose with too severe banging on the exhaust system with a mallet, even a rubber one. I've used my fist to pound on the exhaust system rather than a mallet. Check the shields, too.

POST 5Original post

Check the front engine mount while you're there, if it's compromised the extra shake will sometimes introduce new rattles.

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