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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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Burning oil and DPF filter clogging.Views : 8939 Replies : 22Users Viewing This Thread : |
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Apr 1st, 2014, 20:47 | #1 |
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Burning oil and DPF filter clogging.
I have 2008 V70 D5 90,000 miles. Approximately 8 months ago. Noted increase in fuel and oil consumption. DPF regen light started to come on. Took it to garage and they replaced swirl flaps. Since then DPF light came on saying Soot filt full and limp home mode. Garage forced regen and replaced a sensor on DPF. Since then oil consumption has increased and I have now noticed engine is burning oil. Can only see blue smoke in large bursts normally when accelerating having slowed down for a hazard then accelerating away. Soot filter light only comes on after long journeys usually followed by limp home mode but often resets itself once car has been stood overnight. Garage now unsure if its an engine fault or turbo fault. Has anybody had any similar experiences or can help. Everbody says these faults are uncommon with this engine.
Last edited by jezthebear; Apr 1st, 2014 at 20:50. |
Apr 1st, 2014, 21:51 | #2 |
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Forgot about these guys in the garage you were visiting. Take it to first Volvo authorised dealer and let them plug it in their computers to see what's wrong! All these replacements must have been unnecessary expense!
Good luck, Yodan |
Apr 1st, 2014, 23:00 | #3 |
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Thanks Yodan but I cannot trust dealers. Last time a took to the main dealer they told me my brakes were faulty. They wanted a thousand pound to fix them then said there was nothing wrong when they realised car was under warranty. They then argued amonst themselves over it. Finally replaced the part. They then damaged my car and tried to cover it up.
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Apr 2nd, 2014, 00:53 | #4 |
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Hi mate, have you tried Clive Brooks in Bradford? My personal experience is they're a dam sight better than your local dealer. Don't write off all main dealers because of 1 bad experience. Just for record I have a 2005 V70 2.4 d with 104000 miles and haven't had the same problem. Good luck with sorting it out. Dave
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Apr 2nd, 2014, 22:53 | #5 |
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bought the car from them. Volvo specialist I go to has spoke to them and they say this is not a common problem. The problem being there are no codes to read that tells anybody what is wrong.
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Apr 4th, 2014, 01:45 | #6 |
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Forced regens at the garage will solve nothing , because your high oil consumption will produce metalic oxide ASH instead of soot
Ash cant be burned Find your oilburning cause (turbo or engine) and then revitalise your dpf as follows: Do a forced regen (or after a regular one) to burn the soot so that the ash can be removed without the soot blocking Take off the dpf hang it topside down With the end in a plastick bag and vibrate it with a machine and shock it with a rubber hammer ash will fall out like sand Then take a vacuumdustbag and t-rap it on the end end pressure blow some more ash out You cant get exactly all ash out but quit a lot will do the trick to preventing buying a new one |
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Apr 2nd, 2014, 09:29 | #7 | |
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Apr 7th, 2014, 10:12 | #8 | |
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Apr 2nd, 2014, 12:24 | #9 | |
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Wild guess, but it does sound like the turbo might be leaking oil into the exhaust. That will block the CAT and DPF in the long term. If you are not using a low Zinc (C2 or 3) engine oil it will block the DPF fairly quickly and if a regen or two fails, then it's new DPF time. A Regen can't clean out oil ash, as it does not burn. The other possible cause might be gummed up injectors causing diesel contamination of the engine oil (A blocked DPF will also do that) and Carbon in the DPF. High cylinder head temps from a dodgy thermostat, water pump or oil sludge blocking the oil pump intake will also cause white or grey smoke. If you have been doing more than 10K mile plus OCI's, it might even be oil getting past the rings. How much oil is it burning?
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2003 V40 1.9TD Mods: Scratches, bent bumpers, raised REAR mats & internal mud guards. SHELL ULTRA 5/40 & LIQUI MOLY CERATEC. Everyone should DYOR (Do Your Own Research) Last edited by skyship007; Apr 2nd, 2014 at 12:31. |
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Apr 2nd, 2014, 20:04 | #10 |
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You could try taking it to P&R on Kirkstall road, not the cheapest indie going but pretty good and they have all the gear to read the codes.
If you prefer a full stealer then Clive Brooks on canal road in Bradford is one of the better ones around here. Also cheap for spares if you go via their ebay shop. The stealer who tried to screw you and then argued amongst themselves - Harratts Leeds by any chance They're the biggest set of t*@^$s I've ever had the misfortune to deal with. The Wakefield branch has a better manager but I'd only use Harratts again as a last last last last last last resort! Actually I'd scrap the car before I went back to them!
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