Honda Pilot - Honda Pilot Forums banner

coolant flush

  1. 2003-2008 Pilot
    Hi all, I’m trying to change my coolant and opened the valve under the radiator. However, only less than 1 gallon flowed out. I know this because I put new distilled water in and couldn’t fill a gallon. Then I warmed up the car and opened the valve again. Question is, according to the...