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Author Topic: Lift off over-whine  (Read 292 times)

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May 12, 2018, 07:21:10 PM

alan996

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Lift off over-whine
« on: May 12, 2018, 07:21:10 PM »
It's an odd one..

I bought a 12 plate AUC 40d E70 a few weeks ago..

I've noticed that if I lift off at about 50mph there is what I can best describe as a whine... It does change pitch with speed (but only slightly). It's there a little under acceleration I think

My gut feeling is/was its the new tyres on the car but I'm 1500 miles in now and it's still there...if I kick it into N it's still there. (Not sure of the transfer case is disengaged in N)

There is no clunking or shudder - but for a while it was pushing and pulling when on full.lock at low speed (unlike my 07 X5).

Suspicion is

A) tyres
B) wheel bearing
C) transfer box / X drive

It's AUC and it's not getting any worse - so no worries about a time bomb but I'd like to understand what it could be...

May 12, 2018, 08:44:32 PM
Reply #1

alan996

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Re: Lift off over-whine
« Reply #1 on: May 12, 2018, 08:44:32 PM »

Just realized I posted it in the F15 section - can an admin move it to the E70 section?

Thanks

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