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barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1412

The Smell of Gear Oil

After using the 90 for a twenty minutes or so, when I get out I get a strong smell of gear oil. It is similar to having the seals go on the diff UJ's, and I expected to see the underside dripping in oil- No such joy. What I do have is a damp/wet front axle breather -

Click image to enlarge
Could this be the cause ? changed the oil 12 months ago and been fine. Only really had road use for the past 4 months, so can't see it getting snagged/banged. I must check the oil level, but due to the dire weather have not as yet. The other thing of note is the nearside swivel-

Click image to enlarge which I am assuming is just new seals ?? Not sure if the 2 are related welcome all theories and opinions. I did do a search but no joy Mal

Thanks Jim

22nd Oct 2013 5:16pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19657

Are both leaks on the same axle? Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

22nd Oct 2013 5:27pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1412

Yep

22nd Oct 2013 5:28pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19657

Just checking, have you checked the breather is clear and actually breathing?

Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

22nd Oct 2013 5:35pm

Merlin

Member Since: 30 Oct 2010
Location: Newmarket
Posts: 980

When I had this, it turned out to be the rear oil seal leaking onto the handbrake drum. A P0022 recall fixed it.

Merlin

22nd Oct 2013 5:48pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1412

Thanks Merlin - it is dry, but will have a better look at the weekend. it is also 2005 TD5, which I didn't mention as I believe most differences are subtle.
No Steve not checked yet, predominately due to the precipitation falling. Can't see what will have causwed a blockage, might be wrong but no events of note

22nd Oct 2013 5:56pm

Lou Sparts

Member Since: 15 Apr 2012
Location: Kent
Posts: 1501

2005 Defender 90 Td5 XS CSW Zambezi Silver

On my 300 tdi i replaced the rear axle diff pinion oil seal twice before i realised the breather was blocked

2005 Td5 90 XS

Steve

22nd Oct 2013 7:29pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19657

^^ That was what I saw thinking, I thought the same with mine though and even checked it and found it was clear. So it's a possibility. Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

22nd Oct 2013 7:37pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1412

The golden orb in the sky has allowed a bit of investigation

All breathers clear and working fine. Handbrake drum dry. Bit stumped

23rd Oct 2013 4:24pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19657

Leaks are a real pain in the backside I know that, I don't think there is many that don't at least a little. It depends how severe it is determines the course of action to take.

Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

23rd Oct 2013 4:29pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1412

It smells like a series once warm

Noticed the back axle breather is the same I'm sure something aint quite right. Just don't want it to go bang before I work it out

23rd Oct 2013 4:40pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19657

What oil is in there are you sure it's been put in to the correct grade? If you did it yourself then won't be the issue. I know the smell you mean though....

think leaking vintage tractor.

Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

23rd Oct 2013 4:43pm

barbel jim

Member Since: 12 Dec 2012
Location: Northants
Posts: 1412

I did the hubs, researched and used correct grade IIRC EP75/80. Been fine, oil level is good so don't think it can be the diffs

23rd Oct 2013 4:47pm

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