2004 SUBARU IMPREZA WRX Owners Manual

Page 401 of 491

SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 - 1 6
Maintenance and service
again and if necessary, add more engine oil.
Be careful not to spill engine oil when adding it. 
If oil touches the exhaust pipe, it may cause a
bad smell, smoke, and/

Page 402 of 491

SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 -1 7
Maintenance and service
– CONTINUED  –
New API Certification Mark (Starburst Mark)
In choosing an oil, you want the proper quality and vis- 
cosity, as well as one that will add to fuel ec

Page 403 of 491

SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 - 1 8
Maintenance and service
!
Recommended grade and viscosity  
under severe driving conditions
If the vehicle is used in desert areas, in areas with very 
high temperatures, or used for heavy-du

Page 404 of 491

SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 -1 9
Maintenance and service
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ed parts. The alcohol contained in the enginecoolant may damage the paint surface.
! Cooling fan, hose and connections
Your vehicle employs an electr

Page 405 of 491

SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 - 2 0
Maintenance and service
1) Rubber gaskets
3. After refilling the reserve tank and the radiator, re- 
install the caps and check that the rubber gaskets in- 
side the radiator cap are in the p

Page 406 of 491

SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 -2 1
Maintenance and service
– CONTINUED  –
Never attempt to remove the radiator cap until 
the engine has been shut off and has cooled 
down completely. Since the coolant is under
pressure, yo

Page 407 of 491

SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 - 2 2
Maintenance and service
Guideline of coolant quantity (including coolant in reservoir tank):
Non-turbo models: MT. 7.4 US qt (7.0 liters, 6.2 Imp qt)
AT. 7.3 US qt (6.9 liters, 6.1 Imp qt)
Tu

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SUBARU IMPREZA WRX 2004 2.G Owners Manual 11 -2 3
Maintenance and service
– CONTINUED  –
7. Put the radiator cap back on and tighten firmly. At 
this time, make sure that the rubber gasket in the radi- 
ator cap is correctly in place.
8.