Subaru 2009 Impreza Owner's Manual page 331

11-16
Maintenance and service
Guideline of coolant quantity (including
coolant in reservoir tank):
Non-turbo models:
MT: 7.2 US qt (6.8 liters, 6.0 Imp qt)
AT: 7.1 US qt (6.7 liters, 5.9 Imp qt)
Turbo models except WRX STI:
MT: 7.9 US qt (7.5 liters, 6.6 Imp qt)
AT: 7.8 US qt (7.4 liters, 6.5 Imp qt)
WRX STI:
MT: 8.1 US qt (7.7 liters, 6.8 Imp qt)
"FULL" level mark
1)
"LOW" level mark
2)
CAUTION
Be careful not to spill engine
coolant when adding it. If coolant
touches the exhaust pipe, it may
cause a bad smell, smoke, and/or
a fire. If engine coolant gets on
the exhaust pipe, be sure to wipe
it off.
Do not splash the engine coolant
over painted parts. The alcohol
contained in the engine coolant
may damage the paint surface.
6. Pour the coolant and fill to the reser-
voir tank's "FULL" level mark.
7. Put the radiator cap back on and
tighten firmly. At this time, make sure that
the rubber gasket in the radiator cap is
correctly in place.
8. Start and run the engine for more than
5 minutes at 2,000 to 3,000 rpm.
9. Stop the engine and wait until the
coolant cools down (122 to 140 F [50 to
60 C]). If there is any loss of coolant, add
coolant to the radiator's filler neck and to
the reserve tank's "FULL" level.
10. Put the radiator cap and reservoir cap
back on and tighten firmly.