Hello,
depends here on the size of the antifreeze container- if it is the Penta liquid it's slightly less than 2qt. The Volvo liquid is 3.78 liters, so you may not be using a full two gallons.
The recommended fill for my '89 740 Sedan and '91 940 Sedan is 7 liters.
It works out to be about that when I change the fluids. Have to be aware too that the engine has to "burp" since there is always an air pocket in the block. I drive the car about 3/4 miles and then check the expansion tank. If it's empty I just add about another liter and it remains constant for a while. I add liquid about every two weeks if I drive distance. I always use distilled water, because tap water has mineral in it that can cause electrolysis in the block, aluminum or metal.

Hoe this helps.


Volvosenior (Art)
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89-740 GLE;91-940 Sedan ;98-V90 Wagon ___ all running well