 | Home > Td5 > Is that oil leak normal ? |
 
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4406  
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That is engine oil. Check your rocker cover gasket. It is a known location for leaks. Welcome to TD5 ownership
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17th Oct 2022 12:36pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5423 
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If it’s new don’t worry, it’s like a dog, and will want to mark its territory 😜😜
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17th Oct 2022 12:41pm |
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| jamesthebaker Member Since: 17 Oct 2022 Location: Brittany Posts: 32  
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Thanks !
Thanks also for your quick answer ! I'll have a look at the rocker cover gasket this evening when I'll go back to my garage. From what I think I saw (again not expert at all !) do you think the leak could come from this gasket with red arrow ? Because there was quite some oil there. Could the oil come from the rocker cover gasket and come down there ?  Click image to enlarge How can I check the rocker cover gasket ? If I unscrew everything I would need to replace the gasket right ? |
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17th Oct 2022 12:42pm |
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| jamesthebaker Member Since: 17 Oct 2022 Location: Brittany Posts: 32
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 I'll just make sure I don't park my girlfriend's Peugeot there then |
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17th Oct 2022 12:43pm |
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| jamesthebaker Member Since: 17 Oct 2022 Location: Brittany Posts: 32
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Does not seem to come from the rover cover gasket which was pretty dry all around. It seems to be coming near the oil filter, but it's becoming dark at that time. I'll have a deeper look tomorrow. |
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17th Oct 2022 6:53pm |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4406
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Well it has been known for the oil filter to be cross threaded on to the housing and it leaks because it is not seated properly. The other place it could be coming from is the turbo oil feed/return joints.
Until tomorrow  |
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17th Oct 2022 7:01pm |
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| BaronDefenders Member Since: 28 Jun 2019 Location: London/Cotswolds Posts: 809 
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I had a fairly significant oil leak at the end of last year from a cracked spin-on oil filter housing. Fiddly to replace in the cold, but not complicated. Charlie
1949 Series 1 80 (SOLD) 2002 Td5 90 (SOLD) 2008 Freelander 2 (SOLD) 1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored) 1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE) 2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK) 2012 Puma 110 Zermatt Silver (Overlanding Build) Instagram: @BaronDefenders |
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17th Oct 2022 7:42pm |
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| jamesthebaker Member Since: 17 Oct 2022 Location: Brittany Posts: 32
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Well I was not able to find the origin of the leak, the area is really hard to have in plain sight. There is a lot of oil around that sensor (?) but it's not far from the oil filter so still not sure where it could come from. Should I remove the oil filter and try to put is back to make sure it's well sealed ?
Click image to enlarge Also another question, is that normal that on the gearbox both holes are left open ? Click image to enlarge |
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18th Oct 2022 1:46pm |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4406
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That is the oil pressure sensor. I think you need to give the whole area a good clean with brake cleaner and start the search anew.
There should be a plug in the hole you have arrowed. The lower larger hole is usually left open. |
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18th Oct 2022 1:52pm |
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| jamesthebaker Member Since: 17 Oct 2022 Location: Brittany Posts: 32
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Thanks for the quick answer, I'll clean the area asap before my next drive !
Should I worry about not having that plug ? |
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18th Oct 2022 1:56pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2200 
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The TD5 normally has a plug in the wading plug hole (large one in your image).
The smaller hole/plug is just the location for the crank/flyweek timing pin. Neither are really an issue not being fitted unless you were driving through very deep water. Steve 02' 110 TD5 Double Cab Rebuild Thread 84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale |
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18th Oct 2022 2:14pm |
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| AndyT66 Member Since: 19 Sep 2016 Location: Bedford Posts: 148  
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Mine has had spots of oil there for 6 years or more. I just park it over some card. Check the fuel pressure regulator though at the back off side corner of the engine. Mine leaked and made its way down to the the area in your pic
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23rd Oct 2022 12:12am |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687 
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I would suggest previous owner has removed sensor plug and wading plug from Bell housing as rear crank seal has gone that's your leak. F4om pics looks to more oil there than from filter area.
On a td5 normally both these would be plugged, I would ask why are they removed. Looking at oil colour it needs a change and both filters anyway. Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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23rd Oct 2022 5:45am |
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| kenzle8a Member Since: 12 Feb 2020 Location: None Posts: 1074 
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Also worth checking the Fuel Pressure Regulator on the top of the block. That turned out to be causing a similar oil leak on mine (as the diesel was washing the oil off the block).
You can tell as the Diesel will pool and collect on the top of the gearbox before running down. |
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23rd Oct 2022 8:59am |
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