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

[Harley Dave]

Adam, I've dropped you a PM

Cheers

Dave

[Treadgingerly]

I wish I'd read this thread before I bought my latest car. I have a 2006 V70 185 with all the problems described. It has just had a new DPF, turbo and sensors (don't ask which) and is still consuming massive amounts of oil and the fuel consumption is very high. The cost including buying the car is running into thousands. I sold a perfectly healthy S60 D5 for £550 to buy this. To say I feel sick is an understatement. Reading this thread, and I have read it, there doesn't seem to be any conclusive fix. No nailed on, this is the problem. I am collecting it from a Volvo 'specialist' this morning who, despite being told what's wrong, has said there's oil getting into the turbo and they can't sort out the dpf until this is resolved. I told them about the oil consumption and asked them to ignore the dpf. I have nowhere to work on the car myself (especially given the weather) and really at a loss as to what to do. If I'd paid £500 for it. I'd scrap it.

[S60D5-185]

As a matter of course, for the cost involved I would change the PCV valve which is only about £25 and located behind the oil filter housing.

They are known to fail and cause excessive oil consumption and when I bought my XC90 D5 5 years ago, I changed it automatically because it was cheap to do and was removing a potential issue.

Just a thought

[Old Man Morris]

We have a 2006 XC90 with similar issues - high oil consumption, no sign of oil leaks on floor, no smoke from exhaust, soot filter full warning comes on as soon as driving over 2500 revs.

Smoke comes out of dipstick when removed, no vacuum at the oil filler cap when tested with a latex glove (glove fills with smoke).

Soot filter message goes away once car has been sat for a while, no need to try to regen.

We had the dpf cleaned, new dpf sensor, garage can't figure it out.

I bought a PCV valve online and asked garage to fit it but they stopped as they couldn't extract rear bolt and didn't want to risk snapping it without having other housing available.

Any tips on removing that bolt?

I also read that in many cases swapping the PCV valve has no real impact.

I took the diaphragm out of the new valve and swapped it with the old one. The old one was a bit wrinkled but still looked intact and no holes or tears. But no difference in performance.

Is it possible that the PCV housing can fail so the whole thing needs replacing or if the diaphragm is good does that rule out PCV failure?

Does the whole of the PCV system (including hoses) need changing to be sure?

Some people mentioned changing the oil separator cartridge, any feedback on that as a solution?

Lots of questions but we'd be happy with any tips as we're so close to scrapping the car but would hate to do so...it's putting us off going for another volvo but we love the car!

[Ryan1000]

Hi , I’ve got a 2007 xc90 d5, soot filter full on dash and I have very high oil consumption, earlier on on the year I rebuilt the head with new rockers and lifters, ran into a few issues regarding carbon falling down the ports when I cleaned them for new swirl flaps, so had to remove head, took it to a machine shop to get skimmed valves reseated with new stem seals, just done a 2000 mile round road trip around the north of Scotland and the only issue was high oil consumption, used around 3 to 4 pitot oil, got back to wales then a few days later got soot filter full on dash with limp mode which only happens when driven hard, turn off wait 10 mins then it’s ok, I’ve replaced the dpf pressure sensor and used a can of jlm dpf cleaner but didn’t work, thinking of trying a new pcv valve, would be very grateful for any help, thanks

[2ZZGE]

Hi all, Unfortunately i have to revive this thread since I'm battling the same problems...
I own a E4 Volvo V70 185HP from 2006 with 500K kilometers on the clock. I bought the car in limpmode. According to the previous owner it has been in limpmode for many many miles since he could not resolve the issue and decided to live with it. He cleaned the DPF a couple of times but back in limpmode after a week.
I emptied the DPF (fully clogged) and of course needed a remap so i did. Chipped to 225HP and DPF+EGR removal.
The car starts runs and performs great now but there is a solid stream of blue smoke leaving the exhaust on normal everyday accelerations. But every now and then there is no visible smoke at all. How could this problem be the piston rings? It also does not smoke at WOT.
I checked the EGR and it was almost fully gummed up with wet soot. not dry at all. So that means oil is getting in the intake. This might be due to the EGR recycling exhaust gasses that are full of burnt oil already.
I noticed it smokes a lot more after i refilled the oil. The lower the oil level the less smoke.

Things i did so far:
Fresh 0W30 oil after remap
Cleaned the EGR system (manifold still untouched as of now)
Checked PCV System (all seems ok)
Checked the turbo for play and oil in the hoses (all good)
Booted the new unleased 225HP to burn of all the limpmode soot.

After a few hard pulls the exhaust clears up for a few miles but smoke always comes back.
Also my D5 smells like an old 80s food truck but this might be because i emptied the DPF. I smell burnt oil but there is a different overwhelming old diesel truck smell to it. Does anybody know if a modern diesel stinks after a DPF delete? Otherwise i might have another problem. My neighbors think I'm running on vegetable oil instead of diesel..

I own two E4 Volvo d5's with both 500K kilometers and the exact same problems. One is collecting dust atm. It drinks oil like a thirsty camel and became stuck in limpmode due to a clogged DPF. I need figure out what the problem is on one of them first. Damn these euro4 D5's are so problematic. I've never experienced any problems on the euro3.

Any input is being appreciated, if not I'm gonna update new findings on this tread for future Euro4 enthusiast. I'm not resting before i found the root cause of this problem.

EDIT. One of my D5 Volvo's is a single owner, full dealer history car that has been serviced very well. So poor maintenance does not look like a cause of this problem. I know a third E4 D5 185Hp 500k kilometer Volvo that barley uses any oil in between service intervals.

Kind regards