2006 Subaru B9 Tribeca Owner's Manual - Page 313

Maintenance and service 11-17 Recommended grade and viscosity Each oil manufacturer has its own base oils and additives. Never use different brands together. Rear differential gear oil Checking the gear oil level Your vehicle may be equipped with a rear differential protector. The differential protector provides protection to the rear differential assembly during off-road use. Removal of the rear differential protector is not required when checking the oil level. F Oil grade: 1 2 API classification GL-5 L -30 -20 -10 0 40 10 60 20 30 80 40 100 B00318 -20 0 20 90 1) Upper level 2) Lower level 3. Pull out the dipstick again and check the oil level on it. If it is below the lower level, add oil to bring the level up to the upper level. 85W 80W 1 75W/90 2 B00032 B00319 Be careful not to spill front differential gear oil when adding it. If oil touches the exhaust pipe, it may cause a bad smell, smoke, and/or a fire. If oil gets on the exhaust pipe, be sure to wipe it off. SAE viscosity No. and applicable temperature 1) Filler plug 2) Drain plug - CONTINUED -