Installing a new radiator in your Honda Acty—whether it’s a carbureted HA3/HA4 or EFI HA6/HA7 model—is a manageable DIY job that can prevent serious overheating issues and extend engine life. Radiators in the Acty can become clogged, corroded, or start leaking over time, especially in older vehicles or those driven in hot climates. To begin,