Functionally speaking, 3.9 quarts is the same as 4.0 quarts.
No harm done. No need to drain the extra.
If this were my car I’d pour four quarts of oil into the engine each time I changed the oil.
Make it easy on yourself.
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| Dipstick Reads Over Full with 3 Quarts | 10 | 4131 | February 9, 2009 | |
| 2009 toyota camry | 6 | 786 | November 12, 2009 | |
| More than 1/3 of oil gone at "Add" | 35 | 4186 | July 6, 2020 | |
| Oil capacity specifications conflict with dipstick; 2009 Tacoma 4 cylinder | 23 | 8607 | March 21, 2013 | |
| Oil quantity of 2.4 liter Toyota Camry | 23 | 57981 | July 20, 2009 |