Member Since: 24 Aug 2013
Location: In The Mud
Posts: 431
Oil on Crossmember Below Gearbox
Hi
I noticed there was a small oil patch on the drive last week, so thought I would check both cars to see if any oil was evident - unfortunately, nothing glaringly obvious, so I monitored over the last week.
I looked under the disco again today, whereby I can now see oil over the crossmember below the back of the gearbox, so I removed the protection tray to see the sump etc.
Although I can see there is definitely an oil leak (nothing major), it is not very easy to determine where exactly the oils coming from. The oil is concentrated at the back of the sump fins only, and goes up the sides - which I assume is due to the air travelling over this area as we drive. There is what also looks like an electrical socket of some kind on the back to the gearbox which has oil on it.
With the above, has anyone any idea on which is the best area to look for the leak?
I assume it will be a new sump or sump seal either way, but as it is going into the dealers next week for it's next service, I wanted to get more understanding on what I am going to be faced with here.
Kind regards
Jay
13th Sep 2014 12:47 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
Photos would help but turbo hoses are a common source too.Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 27 Apr 2012
Location: Lanarkshire
Posts: 562
Check your engine sump has not gone porous with corrosion for a start. As mine did and oil was all over the base of the gearbox and cross member. Eventually had a massive puddle of oil in the drive way. If it is the sump it is about a hundred quid and easy to do yourself.D3 TDV6 S MY2005
13th Sep 2014 4:09 pm
SteveNorman
Member Since: 14 Oct 2005
Location: Somerset
Posts: 1144
Assuming you are talking about oil on the offside rear of the gearbox, from the autobox wiring and leaking down onto the sump pan . It is most likely the little sleeve with o rings on around the wiring. To release the sleeve it needs the autobox sump to come off, so sump/filter, oil change and new sleeve are needed.
regards
Steve
14th Sep 2014 5:45 pm
UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 431
Robbie wrote:
Photos would help but turbo hoses are a common source too.
Hi Robbie,
Ill try and gets some pics up (would have done so already, but we were away eventing with my daughter this weekend - so pics could not be taken prior to the original mail.
Kind regards
Jay
14th Sep 2014 6:54 pm
UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 431
anjo14 wrote:
Check your engine sump has not gone porous with corrosion for a start. As mine did and oil was all over the base of the gearbox and cross member. Eventually had a massive puddle of oil in the drive way. If it is the sump it is about a hundred quid and easy to do yourself.
Hi,
Sump looks clean and dry, so hopefully not that.
Regards
Jay
14th Sep 2014 6:55 pm
UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 431
SteveNorman wrote:
Assuming you are talking about oil on the offside rear of the gearbox, from the autobox wiring and leaking down onto the sump pan . It is most likely the little sleeve with o rings on around the wiring. To release the sleeve it needs the autobox sump to come off, so sump/filter, oil change and new sleeve are needed.
regards
Steve
Hi
If sump needs to come off to repair that part (if it is linked to this), it will be a landrover job due to time constraints. Another big big bill.
Kind regards
Jay
14th Sep 2014 6:58 pm
UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 431
Hi
Some quick pics as of now:
Regds
Jay
14th Sep 2014 7:18 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
Spraying the area with talc is a good method of finding the exact source but looking at your pictures it looks like Steve Norman got it straight away and not for the first time either.
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
The leak is no drama and whilst the parts are available separately ZF produce a handy overhaul kit that aims to replace all the seal that perish after 5 to 10 years.
6HP26 / 6HP28 Overhaul Kit – 1068 298 030
No hurry with the work as the leak rate looks quite slow.
Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 20 May 2012
Location: Burton on trent
Posts: 174
I had oil on rear cross member ,auto box oil cooler pipes leaking and running backwards, mine was just 2 O,rings
14th Sep 2014 9:05 pm
UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 431
Robbie wrote:
Spraying the area with talc is a good method of finding the exact source but looking at your pictures it looks like Steve Norman got it straight away and not for the first time either.
Thanks for the info, and the offer, plus I'm glad you are on the mend.
Regds
Jay
15th Sep 2014 6:47 am
UKJay
Member Since: 24 Aug 2013
Location: In The Mud
Posts: 431
davidsidwells wrote:
I had oil on rear cross member ,auto box oil cooler pipes leaking and running backwards, mine was just 2 O,rings
Hi
Would the oil not be seen running down from higher up the gearbox if it were the coolers? Just for reference, do you have any photos of the state of the oil leak prior to repair so I can see how yours was?
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