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2007 D5 (185)....Excessive Oil Consumption & Soot Filter Ful

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Old Apr 2nd, 2017, 13:24   #1
HiFlyer437
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Default 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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Old Apr 5th, 2017, 09:25   #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.
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Old Apr 5th, 2017, 15:09   #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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Old Apr 10th, 2017, 11:43   #4
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Did you have any joy from the garage?
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Old Apr 10th, 2017, 23:12   #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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Old Apr 26th, 2017, 11:14   #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)
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Old Apr 26th, 2017, 11:29   #7
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Certainly be interested to hear how this pans out. I had resigned myself to a new turbo, but your post may defer that particular course of action for now! I can't imagine it was cheap and must be particularly galling to find it hasn't worked.

Much as we love the car, I'm beginning to wish I'd bought something else.
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Old Apr 26th, 2017, 12:04   #8
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If you have oil in the inlet and the Turbo is definitely good then yes it must be carrying over from the breather system. I would guess that there is probably nothing wrong with the breather and the reason for the carry over is high blow-by.

It could also be the valve guides and stem seals. Does your car smoke a lot when started after being sat for a while?


I'm in the same boat and I'm resigned to the fact I probably need a new engine.
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Old Apr 26th, 2017, 13:02   #9
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I'm probably going to get roasted for this but the only way to cure this once and for all is to remove the DPF and all software related to it. That is what I have reluctantly had to do.

Three years of trying to get the reason for high oil levels, limp mode, missing/stuttering at low speeds and general crap running have forced me to this point.

My own very experienced mechanic couldn't find a problem. His diagnostics showed nothing related to the DPF.
VIDA gave no fault codes related to the DPF.
A DPF specialist could find no problems.
Volvo hadn't got a clue and suggested it was a faulty injector. I got the very strong impression that they have washed their hands of this issue. There was also no software updates available.
No soot filter full messages or any other messages at all even when in limp mode. It only showed the filter full message once, shortly after I bought the car and having read up on DPF's beforehand I took the car for a run until the message cleared.

I changed the DPF temperature sensor just to see if it would make a difference. It didn't. Faced with changing both pressure sensors and then going down the road of changing parts out at random if that didn't work I took the decision that a 2008 car simply was not worth the expense of trying to fix properly and went with the DPF/software removal route.

My car has been transformed. It is actually a pleasure to drive now.

I was very happy when I bought the car that it had a DPF. Proud of the fact that I was driving an extremely clean diesel. But the three times a year oil changes, the blowing of a hole through the sump (at the end of a 300 mile high speed drive) because of the high oil pressure and the constant fear of blowing the engine because of a runaway led me to this point not to mention the sheer cost of trying to find the problem.

Funnily enough when I left the car off to have the software removed there was another D5 Volvo sitting there about to have the same work done. One of the smaller newer models, not sure which one. It was in permanent limp mode and the owner had gone through the same experience as me. Trying to get it fixed and then resigning himself to the fact that it couldn't be fixed.

Volvo know there is a problem with these cars, not just a physical problem with the DPF and the related parts but with the software as well. My local Volvo dealer was simply not interested mainly I assume because they themselves don't know what the problem is as their diagnostics told them nothing.

When the DPF itself was removed it was incredibly clean. Not surprising as all it ever did was regenerate!
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Old Apr 26th, 2017, 13:28   #10
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Quote:
Originally Posted by HiFlyer437 View Post
Certainly be interested to hear how this pans out. I had resigned myself to a new turbo, but your post may defer that particular course of action for now! I can't imagine it was cheap and must be particularly galling to find it hasn't worked.

Much as we love the car, I'm beginning to wish I'd bought something else.
Turbo was most of €1,000, plus bits and pieces plus sweat tears blood changing it again.....

Now I no longer need the car and will be selling as soon as it is 100% I have already spent fortune on it, brand new tryes, Oxegen sensors, Maf tappets, rockers, brake disks, etc etc...

what I now need is a land rover or the like for building sites and towing plant trailer....

I will know in a few days as the car must make a journey to see if the oil is arriving into the catch can,

I will post as soon as I know....

Has anyone done a compression test, is it easy.... that is probably my next move as the existence of one problem does not rule out the possibility of another.....
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