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Planet-9

Resonance as RPMs fall through 5k on a 2.7

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YOUR RESEARCHResonance as RPMs fall through 5k on a 2.7

Leading reported evidence

Replace over or a more serious issue

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Suggestion

Its coming from the back, and was wondering if its the variocam changing over or a more serious issue.

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Resonance as RPMs fall through 5k on a 2.7
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Leading evidence: 'Replace over or a more serious issue' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace over or a more serious issue' (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 · 1 partial discussions

Frequently discussed actions (1)

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Replace over or a more serious issue

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

Its coming from the back, and was wondering if its the variocam changing over or a more serious issue.

Original post Read captured discussion
Resonance as RPMs fall through 5k on a 2.7
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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.

  • Planet-9: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

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Generation: 20261027T011819Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

I've suffered, from new, an resonance/vibration as the RPMs fall on the overrun past 5k to about 4.5k. Its coming from the back, and was wondering if its the variocam changing over or a more serious issue. Doesn't sound like loose trim; more like something within the engine bay.

POST 2Original post

LOL my resonance is at the front, at exactly 2950rpm. Sounds like coins vibrating even though I have ZERO coins in the car. Clearest at 1st and 2nd gear, when engine is unloaded.

POST 3Original post

I had resonance at 4,000 for awhile but it went away (thank goodness). Sounded like a mosquito on steroids. Definitely came from the front although it seemed like it was resonating inside my head.

POST 4Original post

I have the same noise coming from the engine bay . . . as far as I can tell. I took the car to the dealer and had the service manager listen. He said, "They all do that." Let us know if you come up with a cause/solution.

POST 5Original post

Make sure it isn't the rear storage compartments next to the engine. Prop them open and see if you still hear it.

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