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Very Excesssive Smoke

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Old Jan 31st, 2022, 11:38   #11
paultyler1
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Re the lifetime guarantee - the UK dealer told me that it's 12 months parts and labour guarantee. Have you got it in writing that it's a lifetime warranty?
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Old Feb 5th, 2022, 19:51   #12
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Had a local technician look at the car today. His diagnostic equipment showed no fault codes but he did spot that the injector seals are leaking. Apparently this can cause the engine to think its running lean and inject more fuel which is unburnt and passes out the back as white vapour. Once the engine is warmed up the seals expand and the leaks stop. Does this sound feasable? Car is off to the Volvo dealers on Tuesday so watch this space.
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Old Feb 18th, 2022, 01:05   #13
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Ok, latest on this. Car went to Volvo dealer. They report that piston rings have gone! Drove home (about 70kms), next morning more smoke. Fault is exactly as it was when I took the car to the garage originally. I think the garage was completely wrong with their original diagnosis. They claim this is a new fault as the car was ok for 5000 miles.

My question is, if the fault was originally the piston rings and they replaced the turbo, dbf and cat would this have eliminated the original smoke? Bearing in mind that the smoke only occured first thing for a few miles and then stopped is it possible that it has taken 5000 mainly motorway miles for the dpf and cat to become contaminated and not able to clean the exhaust gases hence the new emission of smoke?
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Old Feb 18th, 2022, 18:05   #14
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I can't believe how poor main stealers actually are, how much guessing they do as long as customer keeps paying and changing parts that are probably OK.
Your paying for boys running around in suits and wee cups of tea etc.
Any independent could have fixed your car for a quarter of what you've paid. Even replaced the whole engine.
And your engine still might need a rebuilt and your not finished paying. The end figure is starting to get very scary compared to the value of your car. I can see why some say an xc90 is a money pit if going to main dealers.
This is a good warning to stay away from main dealers.
A lot of problems are ending up cheaper to buy another car rather than go to the main dealers.
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Old Feb 18th, 2022, 19:26   #15
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Quote:
Originally Posted by paultyler1 View Post
Ok, latest on this. Car went to Volvo dealer. They report that piston rings have gone! Drove home (about 70kms), next morning more smoke. Fault is exactly as it was when I took the car to the garage originally. I think the garage was completely wrong with their original diagnosis. They claim this is a new fault as the car was ok for 5000 miles.

My question is, if the fault was originally the piston rings and they replaced the turbo, dbf and cat would this have eliminated the original smoke? Bearing in mind that the smoke only occured first thing for a few miles and then stopped is it possible that it has taken 5000 mainly motorway miles for the dpf and cat to become contaminated and not able to clean the exhaust gases hence the new emission of smoke?
The piston rings are in the main engine block and no if they replaced the turbo, DPF and such like the smoke would not stop, it would have been consistent throughout.

I do think that having spent that money on it you need to go to a proper mechanic.

There are usually 2 forms of rings, compression and oil control. I would expect a lack of compression (they can read it with a gauge) on a cylinder if piston ring was failed.

Piston rings do not wear out on D5 engines (unless the vehicle has done hundreds of thousands of miles).

I think you need to do
More diagnostic work here.
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Old Feb 18th, 2022, 23:13   #16
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A lot of problems are ending up cheaper to buy another car rather than go to the main dealers.
But is this not the main idea? When I bought my first car in 1970 it was a 15year old split windscreen moggy minor and it was and felt like an old car. Today I have a 19 year old V70 D5, two 15year olds (S60 and Xc90 D5s) and a 13 year old C30, 1.6D (Mrs J's), but none of them feel or drive like an old car. The v70 has some wear to the driver's seat but at 192K miles I'll put up with that.
Most cars don't end their lives because of rust these days so to keep the turnover going the manufacturer has to make them uneconomical to repair. I think there's going to be an increasing number of disillusioned owners around as time goes on as more and more electric only vehicles need their batteries replaced. Yes sir, I did say £XXKs for a replacement battery - why not buy a nice new car - we've got some lovely examples in the showroom! The energy cost to the environment in producing a new car will be amortised over shorter and shorter periods but the car giants must keep their profit margins up!
P.S. No I'm not Greta Thunberg, but there's a lot of dodgy accounting going on when it comes to the total environmental cost of car ownership.
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Old Feb 19th, 2022, 00:22   #17
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Originally Posted by wynnj View Post
But is this not the main idea? When I bought my first car in 1970 it was a 15year old split windscreen moggy minor and it was and felt like an old car. Today I have a 19 year old V70 D5, two 15year olds (S60 and Xc90 D5s) and a 13 year old C30, 1.6D (Mrs J's), but none of them feel or drive like an old car. The v70 has some wear to the driver's seat but at 192K miles I'll put up with that.
Most cars don't end their lives because of rust these days so to keep the turnover going the manufacturer has to make them uneconomical to repair. I think there's going to be an increasing number of disillusioned owners around as time goes on as more and more electric only vehicles need their batteries replaced. Yes sir, I did say £XXKs for a replacement battery - why not buy a nice new car - we've got some lovely examples in the showroom! The energy cost to the environment in producing a new car will be amortised over shorter and shorter periods but the car giants must keep their profit margins up!
P.S. No I'm not Greta Thunberg, but there's a lot of dodgy accounting going on when it comes to the total environmental cost of car ownership.
I think your missing the point. If for example a car is worth £3000 and it develops a problem that will cost £5000 to fix, then why spend £5000. You then have a car worth £3000 which costs you £8000. Why not buy the exact same type and age of car for £3000. I never mentioned electric cars or newer cars.
If this is the case then the xc90 is a throw away car. A bit like a washing machine. Where its cheaper to buy again than repair.
However I believe this is not the case if you stay away from main dealers and get yourself a good local mechanic who you know and who wants to help you.
Or better still if you can do some of the work yourself and save a fortune. The xc90 is very simple to work at and well put together. And do your homework on part pricing, be it second hand or aftermarket. For eg servicing. I can get mahle filters for a third I can get genuine and will be just as good, maybe better. If the genuine is competing price wise I've no problem using them. Gates is the belt specialists, skf the bearing specialist, any pricing I've done with bearings doesn't even come close. These parts are good quality at low prices. The vida tool sold on here would also save them a fortune long term if they intend to keep her.
There is some top notch advice on this forum that's very helpful for this sort of person but too much main dealer and genuine or your running an xc90 on a shoe string crap from people who have no experience using these parts and have money to burn.
Some peoples getting it tight and need all the help they can get.

Last edited by ltec; Feb 19th, 2022 at 00:25.
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Old Feb 19th, 2022, 08:43   #18
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I can't believe how poor main stealers actually are, how much guessing they do as long as customer keeps paying and changing parts that are probably OK.
I’m with you on that, a chap who works for our sister company recently bought a 17 plate XC90, lovely thing. However it had an annoying little vibration at around 15-20 mph. It’s been back in at least a dozen times & they’ve blamed everything from the diff to the haldex to the gearbox, finally deciding it was a misfire, they stripped the engine, its had the head done, new valves, recut seats & loads of other work to no avail, oh it must be the glow plugs (what?) when that failed it was injectors. It was due to go back in but on noticing the front tyres were getting close to the mark, he got a couple popped on & bingo no more vibration. It’s a good job warranty was paying for all this guess work
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Old Feb 19th, 2022, 09:51   #19
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Have you followed up on the suspected injector leak- sounds plausible. As others have said you need to find an independent specialist- Bosch specialists usually know what they are doing. Frank Massey is a genius but unfortunately a little bit far away but you could always try an email and see if they have seen these symptoms before https://www.ads-automotive.co.uk/meet-the-ads-family/

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Old Feb 19th, 2022, 10:32   #20
ltec
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Originally Posted by 2Diesels View Post
I’m with you on that, a chap who works for our sister company recently bought a 17 plate XC90, lovely thing. However it had an annoying little vibration at around 15-20 mph. It’s been back in at least a dozen times & they’ve blamed everything from the diff to the haldex to the gearbox, finally deciding it was a misfire, they stripped the engine, its had the head done, new valves, recut seats & loads of other work to no avail, oh it must be the glow plugs (what?) when that failed it was injectors. It was due to go back in but on noticing the front tyres were getting close to the mark, he got a couple popped on & bingo no more vibration. It’s a good job warranty was paying for all this guess work
That sounds about right. But yes its a good job it was warranty. Imagine what they would have actually charged if they were left to it and he hadn't found the faulty tyres.

Last edited by ltec; Feb 19th, 2022 at 10:34.
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