Thermostat - Subaru 2002 Impreza Service Manual

I
Cooling
THERMOSTAT
5. Thermostat
The thermostat has a totally-enclosed wax pellet which expands as the coolant temperature in-
creases. It opens and closes accurately at the preset temperatures and features high durability.
NF0053
(1) Valve
(2) Spring
(3) Stopper
(4) Piston
(5) Guide
(6) Rubber packing
(7) Stop ring
(8) Wax element
(9) Jiggle valve
CO-8