It slows the decay rate of weapons and armor by 75%, an improvement over Regular Maintenance's 50%.
It can be gained at the end of Raul's unmarked quest, Old School Ghoul, if you convinced him that he should part from his old gunslinging, revengeful ways, and instead live a useful, more peaceful life, or through the use of console commands if you are using the PC version. However, if you convinced him to revert to his gunslinger ways but changed your mind, you will need at least 66 Speech to get Full Maintenance.
- This perk unlocks Raul's Petró-Chico outfit.
- Prior to patch 1.2, this perk had no effect whatsoever
- This perk may become stuck even after dismissing Raul.