1998 Subaru Impreza Owner's Manual - Page 245
1998 Subaru Impreza Manual
Page 245 highlights
SAE viscosity number and applicable temperature OM-H2756 J 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-duty applications such as towing a trailer, use of oil with the following grade and viscosities is recommended. API classification: SJ or SH SAE viscosity No.: 30, 40, 10W-50, 20W-40, 20W-50 Cooling system, hoses and connections 2.2 liter models 2.5 liter models HS0371 HS0177 Your vehicle employs an electric cooling fan which is thermostatically controlled to operate when the engine coolant reaches a specific tem10-12
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10-12
OM-H2756
SAE viscosity number and applicable
temperature
J
Recommended grade and viscosity under severe driving condi-
tions
If the vehicle is used in desert areas, in areas with very high tempera-
tures, or used for heavy-duty applications such as towing a trailer, use of
oil with the following grade and viscosities is recommended.
API classification: SJ or SH
SAE viscosity No.: 30, 40, 10W-50, 20W-40, 20W-50
Cooling system, hoses and connections
HS0177
HS0371
2.2 liter models
2.5 liter models
Your vehicle employs an electric cooling fan which is thermostatically
controlled to operate when the engine coolant reaches a specific tem-