900 S Sedan V6-2498cc 2.5L DOHC (1995)
Coolant Reservoir: Description and Operation
The expansion tank is on the left-hand side of the engine compartment.
The tank is connected to the water pump and to the upper right-hand part of the radiator.
The latter connection is there to vent the cooling system.
There is also a connection for venting of the engine.
The coolant in the expansion tank participates in the circulation.