The #1 Ford Explorer enthusiast resource for over 25 years!
Performance Upgrades - Maintenance - Modifications - Problem Solving. Covering the Explorer, ST, Lincoln Aviator, Sport Trac, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Aerostar.
Our 2020 is at the dealer now with the same issue. Blend door ruled out as confirmed working good. Dealer says bad heater core and have seen a couple of others with the same issue. Before I ante up - can anyone confirm or have another fix?
