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Hi Dave,
Thank you for your insight.
During the last days, something changed, not sure if the outside temperature has an impact, (we eventually see the spring in Canada too), but here is what I noticed:
1) The engine still stars rough for a minute or so, then runs perfectly.
2) Some days there is no white smoke out of the exhaust, at all
3) The three hoses to the radiator + the one under the reservoir continue to leak
4) Even after two days in the garage, cold engine, when I release the water reservoir cap (still the grey one), there is still pressure coming out, not much, but it is there.
The cap could be the reason of the high pressure in the system, right? Otherwise I could not explain all the leaks.
I will definitely try the test you have suggested.
Also, on Monday, Volvo will take a look too, trying to identify what's wrong.
I just need to be sure before I start to work on the engine.
If I have to replace the cylinder head gasket, what is the best way to clean both cylinder head and block surface?
I have watched many videos, there are different ways, but I only know that you cannot be too aggressive on aluminum, and I won't.
My car has always used synthetic oil, I have always been very cautious, and have respected all the regular service times over the years, so I do not expect the unexpected, like, poor condition, warping etc. when removing the head.
Any recommendation/reading/videos you have, and consider reliable, is appreciated.
Thank you!
Alessandro
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