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Ordinary green ethylene glycol antifreeze, nothing fancy, is good. Zerex G-05 is good. VW’s G12 is good. The last two are long life…
Coolant Advice
This entry was posted in Fluids, Lubricants, Additives & Sealers, FWD General Information. Bookmark the permalink.
I have steam coming into the car from the air conditioning vents that smells like coolant. Please advise.
Just started today.
I have a 1995 850.
Thank you.
Going through the same thing with my 1995 Volvo 850 Turbo Wagon. The problem is most likely a leak in the Heater core – inside the Climate Control box under the dash. They tend to develop leaks. Gave up on the leaking AC condenser in there awhile ago.
It is an expense job to replace. My shop suggested Blue Devil Sealant that you add to the Antifreeze reservoir. I just tried it and it completely gunked up the reservoir and I’m on my way outside to replace the gunked up thermostat.
What you must watch out for is that leak is also causing a loss of antifreeze you may see under the car when you are running with the heat on. I’ve been letting it run to get the sealant to work but when I took it out on the road it quickly red lined (overheated).
Check the reservoir level frequently not that it is heater on weather.
Make that “Check the reservoir level frequently NOW that it is heater on weather.”