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2016 XC90 T8 engine replacement !

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Old Jan 10th, 2021, 21:27   #1
jimmyging
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Default 2016 XC90 T8 engine replacement !

Hi folks

I would love to hear some of your feedback on our issue .We bought this xc90 t8 2 years ago second hand and it has been a great jeep with no issues until now .My wife was driving it and an error came up to stop driving immediately which she did and we had it towed to our Volvo garage .
They said it was the head gasket and as the top block was pitted that it looked like it had already been repaired but hard to tell .I dont quite understand this and some of you will have a better idea but the skimmed plate is too thin to risk repairing and probably best to have new engine .
Volvo have offered to pay 1/3 rd of the cost .I'm just not sure ,should they offer to pay full amount or is this the norm .
Any info or insight offered would be greatly appreciated .
Jimmy
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Old Jan 10th, 2021, 22:29   #2
XC90Mk1
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Originally Posted by jimmyging View Post
Hi folks

I would love to hear some of your feedback on our issue .We bought this xc90 t8 2 years ago second hand and it has been a great jeep with no issues until now .My wife was driving it and an error came up to stop driving immediately which she did and we had it towed to our Volvo garage .
They said it was the head gasket and as the top block was pitted that it looked like it had already been repaired but hard to tell .I dont quite understand this and some of you will have a better idea but the skimmed plate is too thin to risk repairing and probably best to have new engine .
Volvo have offered to pay 1/3 rd of the cost .I'm just not sure ,should they offer to pay full amount or is this the norm .
Any info or insight offered would be greatly appreciated .
Jimmy
How many miles has it done and what’s its history (I.e full Volvo?).

The head gasket will require good mating heads on the engine block and cylinder head, if they are ‘pitted’ that would suggest porosity issue which Volvo should pay for under warranty as it’s a defect.

I am making some assumptions here as what you wrote doesn’t make total sense, did they write what was wrong with it? It may be worth a quick copy and paste here.
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Old Jan 10th, 2021, 22:40   #3
jimmyging
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Hi thanks for your reply ,
It has a full Volvo service history since we took ownership of the it 2 years ago and it has 130000 miles on the clock .We have had no other major issues with the car to date I havent received a report yet but I might call customer service tomorrow to get this .
Apologies if it doesnt make total sense but I'm not a petrol head and I'm trying to paraphrase what the head mech told me over the phone .
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Old Jan 10th, 2021, 22:56   #4
XC90Mk1
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Hi thanks for your reply ,
It has a full Volvo service history since we took ownership of the it 2 years ago and it has 130000 miles on the clock .We have had no other major issues with the car to date I havent received a report yet but I might call customer service tomorrow to get this .
Apologies if it doesnt make total sense but I'm not a petrol head and I'm trying to paraphrase what the head mech told me over the phone .
So the cylinder head and block (top and bottom respectively) would need to be parallel and when an engine is damaged and overheated the cylinder head bends like a banana and no longer seals. The head is ‘skimmed’ to take the banana like curve of it (this banana shape would be thinner than your fingernail so you won’t see it).

The head mechanic says that this repair has been done in the past and a new head os required.

Now that situation can arise. This would have to have happened if the previous owner over heated the engine, had the chylinder head skimmed and then you had the same problem, it’s true they couldn’t do that.

To measure a cylinder head for material is not something that can be done in a garage it is highly specialist (not hard or expensive but specialist).

If I have summed this up correct (it’s likly I have) then you need to state that the engine has only ever been worked on by Volvo and you expect a repair. I don’t believe they can tell you it’s already been skimmed and the chances of it been skimmed before are really quite low.

Even in this case it is not a new engine, it’s a new cylinder head.

Did they mention price to you?

Of course, it’s theoretically possible it’s over heated in the past, had a skim and has now overheated and can be repaired but it is a very suspect and highly unlikely story which is not possible to prove in a garage.

Also ask, what is the cylinder head thickness from factory, minimum thickness and measured thickness. I would bet a lot of money they can’t tell you as they won’t have measured it....
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Old Jan 11th, 2021, 01:53   #5
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Is it possible that they are just going off of the info from the service history?
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Old Jan 11th, 2021, 12:24   #6
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Thank you very much for your detailed and informative replies .
They did send the cylinder head to a specialist apparently to assess it .You are indeed correct in saying that they couldnt tell me for definite that it was repaired already but that he was "fairly certain " .
The price quoted is 8,500 pounds and Volvo will pay 2800 of this .
I'm in the process of getting the report that the garage sent to Volvo .
Again many thanks for your valuable insights .
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Old Feb 6th, 2021, 08:19   #7
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Hi all ,this is just a quick update on this saga.
I got the xc90 back and it needed a full engine replacement ,they said they could have repaired it but would probably blow the gasket again .Volvo paid for 40% of the engine replacement so I had to fork out 5k .
I'm now being told that the boot needs a new motor maybe 2 of them which will be another £700 ..
I just dont know about these volvos
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Old Feb 6th, 2021, 08:27   #8
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So your engine was circa 130k miles and had been repaired previously and now has had to be replaced completely???? And the car is what..4 years old?? Did you have a warranty at all?

And what was wrong with the boot for them to find that it needs 1 (or 2) motors?
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Old Feb 6th, 2021, 10:10   #9
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Originally Posted by jimmyging View Post
Thank you very much for your detailed and informative replies .
They did send the cylinder head to a specialist apparently to assess it .You are indeed correct in saying that they couldnt tell me for definite that it was repaired already but that he was "fairly certain " .
The price quoted is 8,500 pounds and Volvo will pay 2800 of this .
I'm in the process of getting the report that the garage sent to Volvo .
Again many thanks for your valuable insights .
I think in your shoes, with 130,000 miles I would feel duty bound to take the opinion that it’s reassuring to have a brand new engine for 5k (that’s a lot of engine for the money).

There is something suspicious about their claims as it is not Presley possible to tell if a head has been skimmed. That said it’s not hard to damage the engine beyong repair as the head can bend if overheated even on the first occasion!

Yes, interesting to hear about the rear drive issues. Did they mention ERAD at all?
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