bleed system after you do any work
turn wheels straight, check fluid level and add fluid till level is at full cold
start the engine let it run at fast idle check fluid level and fill to full cold
bleed the system by by turning the wheels side-to-side, without hitting stops. make sure the reservoir stays full.
when all the air is out return wheels to straight position and leave engine running for several more minutes before shutting it off.
make sure level is at full hot