Subaru 2009 IMPREZA Service Manual page 87

3) Start the engine, and then inspect that it does
not overheat or it is cooled excessively. If it over-
heats or it is cooled excessively, check the cooling
system.
• Non-turbo model
<Ref. to CO(H4SO)-15, Water Pump.>, <Ref. to
CO(H4SO)-17, Thermostat.>, <Ref. to CO(H4SO)-
19, Radiator.>, <Ref. to CO(H4SO)-22, Radiator
Cap.>
• Turbo model
<Ref. to CO(H4DOTC)-16, Water Pump.>, <Ref. to
CO(H4DOTC)-18, Thermostat.>,
CO(H4DOTC)-20, Radiator.>,
CO(H4DOTC)-24, Radiator Cap.>
4) Check the radiator fan operates using Subaru
Select Monitor, when the coolant temperature rise
to 95°C (203°F) or more. If it does not operate,
check the radiator fan system.
• Non-turbo model
<Ref. to CO(H4SO)-7, Radiator Fan System.>
• Turbo model
<Ref. to CO(H4DOTC)-8, Radiator Fan System.>
Cooling System
<Ref. to
<Ref. to
PM-23
PERIODIC MAINTENANCE SERVICES