With great difficulty
6 quarts
An oil leak on a 1995 Toyota 4Runner can often be repaired by replacing the damaged gasket or seal. Tightening the oil pan bolts can also fix some leaks.
If you can try using Toyota oil. It is just right for 100K engines.
oil in intake
Next to the old filter it looks like a brass cylinder
The oil filter on a 2013 Toyota 4Runner is located on the driver's side of the engine, near the front and just above the oil pan. It can be accessed from underneath the vehicle, making it easier to remove during an oil change. Be sure to have an oil catch pan ready, as some oil may spill when removing the filter.
10w30
5.5
6.5 quarts for the v8
5.5 quarts of 5w-30 with oil filter change.
I mean, is the gear oil synthertic or not?
Under the engine block !