how does the temp come up- normal temp then suddenly hot?
road debris will put a hole in rad!!!
are both rad fans running? driver fan run a few times at stoplights
special tool need to pressure test for leaks- go to a radiator shop
Did you use a honda genuine thermostat==tl picky about that and its position
Burping the system after filling
see owner manual for specifics to your year ,get one free www.owners.acura.com
need cars VIN for that
heater must be turned on to hot
you run engine with rad cap off, fill system as needed,,takes 10-20 minutes to be sure its all done
air will cause many problems