Subaru IMPREZA 2002 Service Manual page 241

THERMOSTAT
COOLING
6. Thermostat
A: REMOVAL
1) Lift-up the vehicle.
2) Remove the under cover.
3) Drain engine coolant completely. <Ref. to CO-
PLACEMENT, Engine Coolant.>
25, DRAINING OF ENGINE COOLANT, RE-
IIA / / I
4) Disconnect the radiator outlet hose from the
thermostat cover.
Non-Turbo model
5 ) Disconnect the radiator outlet hose.
Turbo model
6) Remove the thermostat cover and gasket, and
pull out the thermostat.
B: INSTALLATION
1) Install the thermostat in the water pump, and in-
stall the thermostat cover together with a gasket.
CAUTION:
When reinstalling the thermostat, use a new
gasket.
The thermostat must be installed with the jig-
gle pin (A) facing to front side.
At this time, set the jiggle pin of thermostat
for front side.
Tightening torque:
6.4 N-m (0.65 kgf-m, 4.7 ft-lb)
2) Fill coolant. <Ref. to CO-25, FILLING OF EN-
GINE COOLANT, REPLACEMENT, Engine Cool-
ant.>
CO-35