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XC90 '02–'15 General Forum for the P2-platform XC90 model |
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2007 D5 (185)....Excessive Oil Consumption & Soot Filter FulViews : 35214 Replies : 115Users Viewing This Thread : |
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Apr 2nd, 2017, 12:24 | #1 |
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2007 D5 (185)....Excessive Oil Consumption & Soot Filter Ful
After months of excessive oil consumption, but with no obvious leaks or smoke, my wife has just messaged me to say the Soot Filter Full light is on. I've done some checking, and she should be ok to drive it, but might go into limp mode. I've also advised a blast down the dual carriageway if she can. Of course, I'm about to disappear for 4 days with work...
At the last service, the mechanic didn't seem unduly concerned by the oil consumption, but it has increased since then. I'm guessing there's a connection though... If a good blast doesn't clear it, can the DPF be regenerated with VIDA? If so, anyone in the east Devon area who might be able to help?
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Apr 5th, 2017, 08:25 | #2 |
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Ugh. I'm having exactly the same oil consumption woes with my '07 185. Not had the soot filter full issue yet but I'm sure its coming. I notice my fuel consumption going up and down a lot now so I'm sure the car is trying to regenerate the filter quite frequently. Mostly after a motorway run the fuel consumption improves dramatically and after a couple of weeks of A and B roads it drops again.
I would say take it for a long blast (make sure it has enough oil!) as a first attempt to sort the filter. |
Apr 5th, 2017, 14:09 | #3 |
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It's going into a well-respected specialist here in the southwest tomorrow. I'll post back with any light they throw on the issue.
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Apr 10th, 2017, 10:43 | #4 |
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Did you have any joy from the garage?
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Apr 10th, 2017, 22:12 | #5 |
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Nope. Soot filter only had 19 grams(?) in it, so a good run down the motorway required. No obvious leaks. Feels it's just burning oil due to its mileage. Could start changing stuff on spec (turbo etc), but best just to keep topping it up...
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Apr 26th, 2017, 10:14 | #6 |
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I have precisely the same issue, since I bought the car it has been using copious amounts of oil, I replaced the Turbo cartridge and this helped but soon settled down to using litterly gallons of oil, and blocking up the soot filter.
I bit the bullet last month and bought a brand new original turbo fitted it, ( I was surprised that the one I was removing was clean and showed no sign of oil leakage. I had the dpf cleaned and car was like new full power and reasonably economy for 250miles until the Oil Low message came back. (this was after filling her to half way up the stick before I left,) So last night I went investigating and found oil in the pipes going into the intake,( these were all washed clean last weekend) The only source for this oil must be the PCV system so I intercepted this and have fitted a catch can just after the oil separator, if this catches oil I will know in a few days..... I do have a lot of smoke out of the oil filler so there must be an amount of blow-by and possibly burnt oil directly in the cylinders but realistically there can only be oil in the intake air if it is being blown out of the turbo seals or into the air stream through the Crank case ventilation outlet.... Am I wrong..... has anyone replaced the oil separator, (I did once remove and clean it but it looked fine with no sludge etc so I had discounted it) |
May 24th, 2017, 01:33 | #7 |
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XC90 oil consumption
HiFlyer437 Open the oil cap while engine is runing, if there's a vacuum under a camshaft cover the problem will probably be a damaged crankcase breather valve membrane. Normally breather valve (You can find it on the top of the oil separator housing next to oil filter) releases gases from the crankcase to intake mainfold, but prevents against sucking out gases mixed with oil. If there's a hole in the valve, engine draws oil from the crankcase through oil separator to intake mainfold and burns it. If thats the case replacing oil separator cover/crankcase breather valve (in my xc90 d5 185 it was volvo part number 8642424) should solve the problem.
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May 24th, 2017, 20:08 | #8 | |
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Quote:
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May 25th, 2017, 21:21 | #9 |
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Okay. With the engine running and the filler cap removed, there's smoke, but no oil being spat out. When you put a latex glove over the aperture (I'm sure I read that somewhere), it inflates. Which means....
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Aug 15th, 2017, 21:53 | #10 |
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Intermittent soot filter full and limp mode
Hi just sold my 07 xc90 to my friend. Soot filter / engine management service been on off for a year or two , garage always said no issues and turned off faults . But said I'd have a look for him . Soot filter was very blocked so cleaned out and refitted , fitted new temperature censor as but damaged and showing fault . Cleaned erg valve and inlet pipework as carboned up. Engine running great . Been fine but then when upto temperature soot filter full and limp mode back ! Switch off few minutes and fine again for a short while then same again. Replaced dpf pressure sensor today and checked pipework etc and exactly same upto temp and then limp mode soot filter full . But I know everything clean . Any ideas ,thanks
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