Hope someone can help me with some info. For a long time having some problems with my car listed above b6 2.0alt engine (non turbo).
First had a problem from leaking coolant after spending more than $800.00 with local mechanic that never solved anything I started myself. Searched everywhere and found leaking problem on back of engine (coolant flange leaking)
Replaced it with a new one and all good. A month later I noticed oil in the coolant reservoir. So, I changed the oil cooler that was damaged). After replacing oil cooler I started filling up with new g12 coolant and started to bleed air (so hard on this model) after this I was losing a lot more coolant. Checked everywhere for leaks and finally I found it. All coolant is going out from coolant reservoir. The reservoir was not damaged but coolant was coming out from it maybe not a good reservoir cap or I am not sure. Now my cooling system (blowing hot or ice air inside car never worked properly) if I have gas for A/C it only has cool air no matter if I leave it in min or max temperature) so I am not totally sure if there is any more air left inside cooling system.
I found that when I rev my engine with reservoir cap open the coolant goes up and up until it goes out of reservoir. Is this normal? Do I need to change only the reservoir cap for coolant not going out or there may be another problem? Mos parts on car are new example (radiator, thermostat, coolant pipes (most of them) they are all new replaced around 5000-7000km before and the engine to I have replaced not long time ago cause the old one consumed a lot of oil. Hope someone can give me some ideas what to check next and if can tell me if it is normal for coolant to flow a lot when revving the engine or not.
PS- don't think the head gasket is the problem because I don't have any smoke coming out exhaust, oil quality is good so no coolant in oil and engine run well.
Code on vag I have only o2 sensor I'm replacing it after I fix coolant problem.
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Saturday, August 20th, 2022 AT 5:53 AM
