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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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Rising oil level on C30 D5Views : 14917 Replies : 26Users Viewing This Thread : |
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Jul 16th, 2009, 21:59 | #1 |
TG's tame racing driver
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Rising oil level on C30 D5
Hi folks
Apologies if this is the wrong section. I have a volvo C30 with a D5 engine (and the dreaded DPF). I've noticed over the last 2000 or so miles that my oil level has started to rise slowly. It's currenly about 1cm over the max mark and slowly creeping up (I've been checking it cold on a flat level at lunch time). The oil itself looks normal, but is just rising (I've not added any to the car since I bought it). My car's done just over 7000 miles. I'm booked in on Wednesday next week to get it looked at and was advised it's not normal. Anyone had or heard of this before? The car sounds normal enough and drives well, but the consumption has never been great. Fuel consumption is consistently 37-35mpg Thanks Stiggles |
Jul 16th, 2009, 22:04 | #2 |
Allons-y!
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Are you losing coolant or PAS/brake fluid?
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Jul 16th, 2009, 22:11 | #3 |
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Jul 17th, 2009, 15:44 | #4 |
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Heard of a simular issue with Isuzu Diesel Engines, which could explain what is happening to yours.
Basically they had faulty injector seals which allowed diesel to seep down the bores and into the engine oil and the oil level would rise acordingly. They did a big recall on them and replaced all the injectors or replaced the numerous engines that blew up as a result of diesel in the oil. Part of isuzu's recall campaign was to bring vehicles in for a free oil and filter change, then give the car back to the customer for 4 weeks and then see if the oil level had risen, if it had the car was fitted with new injectors and turbos. My friends was recalled but he was unlucky in the fact that the urk doing the oil change never tightened the sump bolt and so whilst driving along it lost all its oil in one sudden go and that was the end of that engine. |
Jul 17th, 2009, 18:44 | #5 |
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This is probably due to the particulate filter operation , get it to the dealer asap as too high an oil lever could cause the engine to run on its own oil and you wont be able to switch it off and the engine will destroy itself ... The dealer will be able to sort what is happening with help from volvo tech dept . do you get on the motorway very often or stuck in town or traffic mostly ?
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Jul 20th, 2009, 17:44 | #6 |
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This happened to a friend of mine. The car sat on the hard shoulder of the A1 on the hill near Leeds reving to distruction.
Very impressive to watch but he wasn't popular with the bank holiday traffic.. (Pug 309) George
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Oct 4th, 2009, 21:06 | #7 | |
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Quote:
I have the same problem with my XC90 D5 since August 2008 (13 motths, more of twelve visits to the dealer, and four months of accumulated staying at the dealer). They have changed the fives inyectors, the injection pump, do a forced particle regeneration, and finally change the full engine (plus six or seven engine oil changes...). But none of these solutions has fixed the oil rising problem. I'm in the process of sueing Volvo Car Spain as the problem appeared within the official warrantee period and they haven't fixed it for more than one year. The last "solution" they have given to me is to change the engine oil every 3 months or 10.000 Km while they get an answer from Sweden.... Unbelieveable!! Mi advise: keep all invoices of your visits to the dealer. Last edited by musicman; Oct 4th, 2009 at 21:25. |
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May 5th, 2010, 06:24 | #8 |
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Rising oil engine level mistery solved... (almost)
Volvo confirms there is a problem with rising oil levels in D5 DPF engines.
News from CCN: Volvo warns customers of engine problem, mulls recall http://edition.cnn.com/2010/BUSINESS...ion/index.html Last edited by musicman; May 5th, 2010 at 06:43. |
Feb 15th, 2013, 16:20 | #9 |
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Hi
This is a very common issue with diesel vehiclesGet your DPF filter checked.It must be blocking up and the PCM is trying to regenerate the DPF to clean it out. The oil level rising is the extra diesel getting into the sump.Try drain some out and take the Vehicle for a drive do 50 miles at a constant speed.You are not allowing the system to complete the regeneration. If this does nit help you will need access to a diagnostic laptop to force the regeneration. Cheers |
Feb 17th, 2013, 19:57 | #10 |
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I'm sorry but if my new car was having fuel dilution at 7000 miles I would be going rage!
Ok the regen process puts fuel in out of sync but it should not be passing the rings unless the cylinders are heavily polished. Also it must only be partial injection as 250 + bar of atomised fuel into a hot exhaust is not a good idea. So what damage has been done by the dilution as diesel is abrasive and in some engines eats white metal ( don't know about the D5) and when will you find out? When yours only does 120k and sh1ts itself instead of 300k? I would insist on an independent analysis of oil to confirm no engine internal component damage and extended engine warranty and 3k oil change changes and analysis until confirmed fault rectified. Fuel dilution is bad news in a diesel whatever the cause and the long term damage is normally terminal. Ensure you are not just fobbed off. |
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