Subaru 2006 Impreza WRX - Manual (Page 301)

11-22
Maintenance and service
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
Rear differential gear oil
Checking the gear oil level
Your vehicle may be equipped with a rear
differential protector. The differential pro-
tector provides protection to the rear dif-
ferential assembly during off-road use.
Removal of the rear differential protector
is not required when checking the oil level.
1) Filler plug
2) Drain plug
1) Filler hole
2) Drain hole
3) Oil level
Remove the plug from the filler hole and
check the oil level. The oil level should be
kept even with the bottom of the filler hole.
If the oil level is below the bottom edge of
the hole, add oil through the filler hole to
raise the level.
-30 -20 -10 0 10 20 30 40
-20 0 60 20
80W
75W/90
80 100 40
85W
90
B00032
2
1
B00373
3
1
2
B00434