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Hi Amarin,
Glad to have you aboard on this topic!
So, I just returned from Volvo, here a few bullet points:
- There is no water in your oil, they pulled out the dipstick and it looks clear oil
- They pressurized the cooling system at 21 psi which is operating temperature, both top rad hose on the radiator and the lower rad hose on the water pump there is a pretty steady drip of fluid coming from there.
- In order for them to say yes/no there is no water leak internal to my engine system, they need to make sure those leaks are sealed up.
Suggestion:
- Check your hoses for cracks
- New Clamps
Basically, his focus was more on the water leakage, and therefore they need first to fix that and then continue with a deeper investigation.
Now, here is my point: I could understand one hose, but in this case, all the hoses to the rad are leaking + the one under the expansion tank and the little hose on the side of the cap. So I am VERY skeptical that there is something wrong with the hoses or the clamps, and I am more prone to think the cap has an issue.
I have ordered a new one, let's see if that helps.
With regards to the rough start, he said that he did not want to say anything yet because it needs to be investigated properly, but a fist thought could be that if there is coolant bleeding into the TBC, it wouldn't get into the oil system necessarily, and it would go through the intake at first start up, resulting in white smoke and rough operation for a short time.
But again, that is just an idea that needs to be investigated.
Once the leakage has been isolated and fixed, they will put the system again under pressure and see if there is any pressure bleeding off, because if there is, it means I am losing water somewhere and if we cannot see it externally, it means it is internal and we have to look where it is.
If the water issue has been resolved, I will see whether this has affected the other issue or not.
If not, it means the rough start is a separate issue.
Now, I am still convinced that the headgasket has to be replaced, because, as you say Amarin, if could still be a very minor leak that does not get into the oil yet.
So, to summarize:
1) Tomorrow I will get the new cap, I will replace it, and see if the leakage persists.
2) If the issue is still there, then I will check the hoses (more skeptical than ever) and possibly buy new clamps (any recommendation for the clamps?)
Guys, I paid C$75:00 to have Volvo tell what I already knew, which is why I do not trust anybody to work on my car.
So far, I have always resolved the rare issues on my car with your help, I am sure I will continue this way.
I understand they have to follow protocols, which I am not saying is bad, but the dealer charges their labor C$ 150.00/h and I think I can use that money in a more efficient way on my car.
Thank you all!
Alessandro
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