Recommended grade and viscosity – Subaru 2006 Impreza WRX User Manual
Page 302
Maintenance and service
11-23
Recommended grade and
viscosity
Each oil manufacturer has its own base
oils and additives. Never use different
brands together.
Oil grade:
API classification GL-5
SAE viscosity No. and applicable tem-
perature
Except STI version
SAE viscosity No. and applicable tem-
perature
STI version
Be careful not to spill rear differ-
ential gear oil when adding it. If
rear differential gear oil touches
the exhaust pipe, it may cause a
bad smell, smoke, and/or a fire. If
rear differential gear oil gets on
the exhaust pipe, be sure to wipe
it off.
If the vehicle requires frequent re-
filling, there may be an oil leak. If
you suspect a problem, have the
vehicle checked at your SUBARU
dealer.
-30 -20 -10
0
10 20 30 40
-20
0
60
20
80W
75W/90
80 100
40
85W
90
B00032
-30 -20 -10
0
10 20 30 40
-20
0
60
20
80 100
40
90
B00159