Sorry if this has already been covered, but as am struggling to even describe the noise.... searching for it is impossible.

I have an intermittent noise on my 07 TDV8, which seems to come from the passenger side of the car. It seems to be completely random and happens both when cold/hot, driving/stationary. It seems to be nothing to do with the heater system as fan speed has no impact.

The noise is like a moaning and varies in volume, maybe a little like a distant hoover sound, but a little deeper in tone. It is not constant, so may be mmmmm..mmm.mmmmmmmmmm..mm......mmmmmmm, would be a good descriptor.

I know this is random....... as it is intermittent, taking it to a garage is a little difficult.... sods law it will not do it then ! 2011 Stornaway Grey 5.0SC Autobiography

i would have said the FBH, but you say it comes on when hot , so ?... ... - .- -.




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FBH is working normally, and makes a different, and more constant, noise. 2011 Stornaway Grey 5.0SC Autobiography

a thought, could it be the cd changer in the glove box, maybe the disc is vibrating causing the humming... ... - .- -.




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Frightened passenger?

^^^ sorry couldn't help it ====================================

"Open Mike Night " sounded like a lot of fun until i found out i was going to an Autopsy

Or a very horny field mouse getting it on with the warm ECU. Tom

Current Drive
2011 4.4 TDV8 Autobiography - Santorini Black - Ivory Leather

Previous Drives
2004 Model Vogue Td6 (Touchscreen) - Java Black - Parchment Leather
1994 RR Classic 3.9 V8 Soft dash - Niagara Grey - Grey Leather
1972 Series III SWB Safari - Green (Hand Painted) - Black Plastic

Simes wrote:

Frightened passenger?

The passenger seat often does moan, but much louder and more focused.  2011 Stornaway Grey 5.0SC Autobiography

fuel pump running? There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
Fiat 500x 1.4 multiair Lounge 2015
2010 LR D4 Commercial 2.7 TDV6

Some good thoughts so far..... will have poke around tomorrow......

Keep them coming. 2011 Stornaway Grey 5.0SC Autobiography

Its unrelated - but I had an irritating rattle in the cabin that I was positive was coming from the passenger side. When SWMBO was in the passenger seat she swore it was coming from the drivers side. It turned out to be sunglasses rattling in the overhead holder (middle) - easy fix!!
The point I'm making is get a passenger in to confirm the location of the noise before you start tearing things apart. You might have already done this but if not it's worth the check. Geoff

Sure there is a post somewhere which references a noise relating to the parking sensors, my 07 does it sometimes, more prevalent after heavy rainfall. It usually lasts a very short period of time and is very intermittent, therefore it remains un-diagnosed in my case. First time I heard it, it was a very peculiar noise which didn't sound like normal engine /suspension noise issues I'd encountered in the past with other cars. 
Had it, loved it!
2007 Vogue SE TDV8
Stornoway Grey / Ivory
Climatic Seats, RSE, AFS, Deployable steps, iPod kit.

I have the exact same noise, always does it on cod start up after engine running for about 1 min, but then re do it later for no apparent reason! I stopped once and popped the bonnet and was very loud and seem to one from the air box, still haven't diagnosed the problem Range rover tdv8 56. Vogue
Sand and jet
Upgraded the Bluetooth and digital tv

Whooshy oil pump?

Had a good hunt around, and not necessarily any further on, but am trying things in order.... Problem with intermittent faults... No idea if fixed or not.

First one was to remove the cassette from auto changer....... No had it since, but early days. 2011 Stornaway Grey 5.0SC Autobiography