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Home > Technical > Oil Level Rising - Continuing Story... |
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Bobupndown Member Since: 26 Dec 2014 Location: Upside down behind the TV! Posts: 2804 |
I had this issue on my Td5 Discovery 2, was due to a cracked cylinder head. The oil was being diluted with diesel raising the level. Was heading to France on holiday with the caravan before fixing it so did 2 precautionary oil changes while at caravan sites! Landrover - turning owners into mechanics since 1948
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19th Jun 2022 11:50 am |
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NoDo$h Member Since: 27 May 2008 Location: fings go booooom. Posts: 490 |
Strong possibility you have a leaking injector / injector seal and when you switch off any residual fuel on the rail is seeping into the cylinder. It will run past the piston rings and on down into the sump, dilute the oil and washing any remaining lubrication from the affected cylinder.
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19th Jun 2022 1:04 pm |
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freypal Member Since: 08 Sep 2016 Location: Shropshire Posts: 55 |
Thanks both... I'd take a leaking injector over a cracked head! |
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19th Jun 2022 8:15 pm |
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2082 |
If an injector is leaking enough fuel to be diluting the oil, then it would start up roughly, as the leaking injector will be empty, and the compression chamber in the piston crown will be full of fuel, which will cause smoke when started too.
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20th Jun 2022 5:29 pm |
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freypal Member Since: 08 Sep 2016 Location: Shropshire Posts: 55 |
Interesting... appreciate you writing this out. The car actually runs really well. Starts fine first time, no loss of power and it doesn't smoke at all, even on start-up. So regarding the DPF regen, i guess if it's being injected on the exhaust stroke how does it wind up in the oil? As I assume there is no compression to force the fuel past the rings? And secondly, I couldn't see much in the way of known issues with the F2 DPF system - are there any known common failures that might result in it constantly trying to re-gen and failing? It does seem too coincidental that I'm having this issue along with frequent DPF full warnings (despite long journeys). Lastly - pump seals sounds like it might be a cheap(er) fix if it turns out to be that? I believe the pump isn't too bad to remove? thanks! |
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20th Jun 2022 6:17 pm |
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NoDo$h Member Since: 27 May 2008 Location: fings go booooom. Posts: 490 |
makes interesting viewing Current driveway contents:
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20th Jun 2022 6:55 pm |
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freypal Member Since: 08 Sep 2016 Location: Shropshire Posts: 55 |
Right so had the car looked at. I think it's looking likely the oil dilution is being caused by repeated/failed DPF regens.
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30th Jun 2022 4:07 pm |
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Bobupndown Member Since: 26 Dec 2014 Location: Upside down behind the TV! Posts: 2804 |
Is there a decent independent landrover specialist near you? They probably have more ability to 'fix' your car rather than LR who will throw expensive parts at it by highly expensive 'technicians' until the problem is maybe fixed. Landrover - turning owners into mechanics since 1948
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30th Jun 2022 5:32 pm |
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Andy131 Member Since: 09 Dec 2009 Location: Manchester Posts: 2183 |
Remember the Freelander 2 stopped being manufactured 7 years ago, so dealer Technicians with less than 5 years experience are unlikely to have had training on them - new cars and cars under warranty being their bread and butter.
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30th Jun 2022 6:54 pm |
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freypal Member Since: 08 Sep 2016 Location: Shropshire Posts: 55 |
Interestingly found a thread over on the FFRR forum where a couple of people had identical symptoms to mine. One seemed to be cured with a temp sensor swap.
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1st Jul 2022 9:23 am |
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Rommel Member Since: 20 Aug 2017 Location: Sandhurst Berkshire Posts: 631 |
A shot in the dark but you could try adding some DPF cleaner which forces a regen at lower temperature, add some of this then go on a fast long run it worked for a mate of mine on a Audi.
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1st Jul 2022 10:04 am |
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I Like Chips Member Since: 25 Jun 2017 Location: Ascott Under Wychwood Posts: 1540 |
Have you any live values or other fault codes |
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1st Jul 2022 12:25 pm |
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freypal Member Since: 08 Sep 2016 Location: Shropshire Posts: 55 |
No live values sorry, and just the one fault code logged (P2459). |
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1st Jul 2022 12:37 pm |
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