Jaguar XJ6, XJ8, XJR (2003 - 2009) - 07 2.7 Car vibrating throughout at over 70mph

Honest John Back Room » Technical matters
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Sun 20 Sep 2009 19:04
07 2.7 Car vibrating throughout at over 70mph - alijazz
Here we go. The day that my 30 days "return for any reason" was up, I hit a problem. Hve bought a beautiful, 2 year old, very low mileage Jag 07 XJ 2.7 TDi. Test drove, but of course not over 70 with the sales rep in there. No long journeys until this last weekend. Now discovered that at speeds over 70 miles an hour the engine starts to make a noise like millions of butterfly wings (if you have had a moth fly past your ear, imagine that much louder). But worst thing, it seems to struggle to get to 80 and at any speed over 73mph the car vibrates all the way down the chassis. If you put your arm against the door at your side you can feel it - it's quite strong. Put your hand on the dash you can feel it.

Dealer says prior owner an elderly man who used for local trips... that at 6000 miles it is just a case that the car isn't run in yet. But it feels more like something is wrong to me. Why all the vibration? Any clever Jaguar or similar bods here, please?

We want to use this car to tour Germany. And we want to be able to get out of trouble on a BRitish motorway, and if you can't get over 70 without being shaken to pieces then neither of those is ever going to happen.

All suggestions, experience etc very gratefully received.

Ali
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Sun 20 Sep 2009 20:40
07 2.7 Car vibrating throughout at over 70mph - bathtub tom
Not your problem.

Take it back and tell them to sort it , or give you your money back.

You'll find trading standards most helpful.
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Sun 20 Sep 2009 22:48
07 2.7 Car vibrating throughout at over 70mph - davecuk
Try and get your money back...regardless of the 30 days. The car is not fit for purpose as it is and what if they don't repair it properly, or there is a worse underlying problem. If you can get out of it do so, there are plenty out there that work properly..

You might even want to try contacting the "Elderly Man", but I'll bet he isn't registered as the previous owner and the dealer is.

Edited by davecuk on 20/09/2009 at 22:50

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Sun 20 Sep 2009 22:49
07 2.7 Car vibrating throughout at over 70mph - Kevin
If you bought it from a franchised Jaguar dealer I'm surprised that they are trying to fob you off with this lame "run in" excuse. An XJ at 80mph should be as smooth as oiled silk and eager to go even quicker.

Since it's still under warranty, take it into any Jaguar dealer and get them to fix it. When you book it in, ask for a courtesy car in case they need to order parts.

If you are anywhere near Basingstoke, I can personally recommend Harwoods Jaguar.

Kevin...
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Thu 7 Jan 2010 00:08
07 2.7 Car vibrating throughout at over 70mph - alijazz
Hello to all who made suggestions. Turned out to be wheel balancing. Had some nitrogen or something put in the tyres and it is ok. But it soon reverts. Either the car is very delicate or it might be something else.

Thanks to all who responded.

Ali
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