Subaru 2003 Legacy Service Manual page 80

PERIODIC MAINTENANCE SERVICES
12.Coolant
A: REPLACEMENT
1. REPLACEMENT OF COOLANT
WARNING:
The radiator is of the pressurized type. Do not
attempt to open the radiator cap immediately
after the engine has been stopped.
1) Lift up the vehicle.
2) Remove under cover.
3) Place a container under drain pipe.
4) Loosen and remove drain screw to drain engine
coolant into container.
Except 3.0 L model
3.0 L model
5) For quick draining, open radiator cap.
CAUTION:
Be careful not to spill coolant on the floor.
6) Drain coolant from reservoir tank.
7) Tighten radiator drain screw securely after drain-
ing coolant.
COOLANT
8) Slowly pour prepared coolant from radiator filler
port to neck of filler, then pour into reservoir tank up
to "FULL" level.
Coolant amount for preparation
2.0 L non-turbo and 2.5 L models
MT model:
AT model:
2.0 L turbo model
MT model:
AT model:
3.0 L model
NOTE:
The SUBARU Genuine Coolant containing anti-
freeze and anti-rust agents is especially made for
SUBARU engine, which has an aluminum crank-
case. Always use SUBARU Genuine Coolant,
since other coolant may cause corrosion.
9) Securely install radiator cap.
PM-00129
10) Run engine for more than five minutes at 2,000
to 3,000 rpm. (Run engine until radiator becomes
hot in order to purge air trapped in cooling system.)
11) Stop engine and wait until coolant temperature
lowers. Then open radiator cap to check coolant
level and add coolant up to radiator filler neck.
Next, add coolant into reservoir tank up to "FULL"
level.
12) After adding coolant, securely install radiator
and reservoir tank caps.
PM-00130
PM-22
Approx. 6.8 2 (7.2 US qt, 6.0 Imp qt)
Approx. 6.7 2 (7.1 US qt, 5.9 Imp qt)
Approx. 7.7 2 (8.1 US qt, 6.8 Imp qt)
Approx. 7.6 2 (8.0 US qt, 6.7 Imp qt)
Approx. 7.9 2 (8.4 US qt, 7.0 Imp qt)