Pelican Parts

strange transmission rattle

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

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YOUR RESEARCHstrange transmission rattle

Leading reported evidence

Repair oil leak i figured

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Suggestion · Original poster
My question is I can't find anything on transmission rattles except when they come apart and by then its to late and since I have to remove the transmission to repair the oil leak I figured to do both at the same time, has anyone experienced this issue and know maybe what to look for.
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strange transmission rattle

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Leading evidence: 'Repair oil leak i figured' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Repair oil leak i figured' (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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Run light non dual mass flywheel

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Suggestion
It gets even louder if you run a light non dual mass flywheel.
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strange transmission rattle

Frequently discussed actions (2)

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Repair oil leak i figured

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.

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Suggestion · Original poster
My question is I can't find anything on transmission rattles except when they come apart and by then its to late and since I have to remove the transmission to repair the oil leak I figured to do both at the same time, has anyone experienced this issue and know maybe what to look for.
Original post Read captured discussion
strange transmission rattle

Run light non dual mass flywheel

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
It gets even louder if you run a light non dual mass flywheel.
Original post Read captured discussion
strange transmission rattle

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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.

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

Pelican Parts: 1 discussions

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Generation: 20261027T022239Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Good Morning I recently received a 2001 boxster conv nothing fancy however I have encounter a strange noise a very light knock from the rear of the transmission housing yes it is a manual transmission. The noise is there at idle standing still with clutch pedal out when clutch pedal is depressed the noise goes away. I bought the vehicle due to an oil from rear of engine, cust declined repairs at the dealer and just wanted to sell the car as is. My question is I can't find anything on transmission rattles except when they come apart and by then its to late and since I have to remove the transmission to repair the oil leak I figured to do both at the same time, has anyone experienced this issue and know maybe what to look for. Thanks in advance

POST 2Original post

Its the input shaft, nothing to worry about.

POST 3 / ORIGINAL POSTEROriginal post

Just a normal gear to gear rattle if thats it I'll be happy. I know working on other vehicles one of the gears on the main shaft and or input shaft has a anti rattle spring built in to the gear sometimes they have to locked into place before assembly not sure if Porsche the same thing or not thanks

POST 4Original post

Yep normal. .... It gets even louder if you run a light non dual mass flywheel. ..

POST 5Original post

Quotes source post: 8268303

That would be my thought. Same thing when I switched to the LWFW on my 996.

POST 6Original post

My LWFW makes my car sound like a tractor . Revs fast. Super easy to Rev match. Love it.

POST 7Original post

Quotes source post: 8268303

Same thing here... 996 with a single mass light weight flywheel... funny rattle some times with the clutch in or out... When you take out the tranny to fix the seal look around for any abnormal wear and tear... clean it up and put her back together! PS. Enjoy!!!

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