Refrigerant

Volvo cares about the environment. The air conditioning system in your car contains a CFC-free refrigerant – R134a. This substance will not deplete the ozone layer. The air conditioning system contains 1.8 lbs (820 g) of R134a. The systems uses PAG oil.
See also:
Use of Additives
With the exception of gas line antifreeze during winter months, do not add solvents,
thickeners, or other store-bought additives to your vehicle's fuel, cooling, or
lubricating systems. Overus ...
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Start the search by either turning TUNE (to
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Engines
The Volvo XC90 is available with a choice of two high-performance engines -
one diesel and one petrol - both of which produce plenty of power and torque
from low engine speeds and through the mid- ...
