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robbo22



Member Since: 21 Oct 2023
Location: Leistershire
Posts: 24
United Kingdom 2009 Defender 110 Puma 2.4 HT Keswick Green
Another.. “Can you help me find where..”
Evening All,

After not using my 110 for a couple of months, I’ve been using her again for the last couple of weeks. The last few drives I’ve noticed a ‘whoop, whoop’ noice coming from the drivers seat area. To describe the sound - its not a metal on metal sound, it sounds like there is something stuck in to tyre tread. It happens mostly when I'm decelerating.

Ive had a look underneath the truck and around that area. Prop shafts a good. Theres no sign of oil leaks from the front diff. Theres also nothing wedge between the brake calliper/disc.

After some searching online, most replies state its probably the front diff. Since owning the landrover(10k miles since purchase) i haven’t changed the diff oil or have proof the perivous owners did before me. My plan was to drain the front(and back, may as well) check to see if theres any metal shavings, re fill with new oil and go from there?

Any advice or guidance would be greatly appreciated!

Thank you
Post #1065039 8th Apr 2025 8:56pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2157
United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
You might be better recording the sound/noise to help us identify the potential cause.

As diff oil is inexpensive, and it is easy to change, I’d suggest you do that anyway given you don’t know when (if) it was last changed?

Good luck Thumbs Up
Post #1065041 8th Apr 2025 9:06pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2240
United Kingdom 
A few tips, Make sure you undo the fill plug first, you don’t want to drain only to find the fill plug is stuck.

Before you do, purchase some magnetic diff plugs, they are cheap. Also some hylomar blue as a sealant when replacing plugs. And do not over torque on refitting.
Post #1065048 8th Apr 2025 9:23pm
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jim4244



Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 921
England 2007 Defender 90 Puma 2.4 CSW Zermatt Silver
Hi

I hade a similar noise, that sounded like distant a helicopter, on my L322.

At first I thought that it was the front diff but on the advice from a guy on the "Full Fat" forum I went for a drive and then temperature checked each brake caliper using a laser thermometer and found that the front drivers side caliper was partially seized.

I rebuilt the caliper and no more helicopter..

Jim
Post #1065064 9th Apr 2025 4:42am
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piechipsandpeas



Member Since: 12 May 2021
Location: Albany, Western Australia
Posts: 224
Australia 2013 Defender 110 Puma 2.2 SW Indus Silver
"A whoop whoop noise coming from the driver's seat area".

Time for the driver to visit the doctor? Laughing Laughing
Post #1065112 9th Apr 2025 12:33pm
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