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Axle Tramp?

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

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YOUR RESEARCHAxle Tramp?

Leading reported evidence

Test drove several dealer demonstrators

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No successful repair reported for this finding.

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Suggestion

I test drove several dealer demonstrators before buying and they all had serious wheel hop on hard acceleration with traction off.

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Axle Tramp?
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Leading evidence: 'Test drove several dealer demonstrators' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Test drove several dealer demonstrators' (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 · 9 captured posts examined · 0 partial discussions

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Test drove several dealer demonstrators

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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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

I test drove several dealer demonstrators before buying and they all had serious wheel hop on hard acceleration with traction off.

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Axle Tramp?
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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.

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

  • Rennlist: 1 discussions

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POST 1 / ORIGINAL POSTEROriginal post

I have experienced something a couple of times in my 996 - once during a launch in the dry, once in the wet. Both times, it felt like there was a lot of unproductive power going thru the rear wheels - the take offs were fast, but not too hard. During a checkup at the dealer I mentioned it, and he said it sounded like axle tramp, but found no abnormalities. I have an 03 996 C2 6 speed with PSM, 18" wheels, Michelin PS2 and sports suspension (M030). Any suggestions/diagnoses? Is this normal? It has happened twice (both recently) in 6,000 miles. Thanks

POST 2Original post

"... unproductive power going thru the rear wheels"??? What do you mean? slipping? are your tires worn out?

POST 4 / ORIGINAL POSTEROriginal post

Wheel hop! That sounds like it. Tires are fine - 6,000 miles and plenty of tread. It felt like the back was jumping up & down a bit, and the rate of acceleration did not match the amount of throttle.... As I said, the car was checked and the dealer found no anomalies.

POST 5Original post

Yea that is 100% wheel hop, it happens in my 04 c2 alot, it when the car is hooking and spinning at the same time, causing the car to hop, this is not a good thing for any car, it is a normal thing, just not great for the car, i avoid it by more throttle of the line or less. No worries alot of cars do this..

POST 6 / ORIGINAL POSTEROriginal post

What do you mean by hooking & spinning? I always think of Bullitt when I think of wheel hop

POST 7Original post

I test drove several dealer demonstrators before buying and they all had serious wheel hop on hard acceleration with traction off. It was most noticeable on wet roads.

POST 8 / ORIGINAL POSTEROriginal post

But should it be happening with PSM on?

POST 9Original post

As soon as we have ANY traction on the roads up here I'll let you know. Bob

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