Toyota Tacoma 100K Mile Coolant Service: Complete 3rd Gen Radiator Drain & Fill Guide
July 21, 2026 5 minute read
Hitting 100,000 miles on your 3rd Gen Toyota Tacoma means it's time for critical cooling system maintenance. This DIY guide walks through a complete radiator drain and fill using Toyota Super Long Life Coolant on a 2018 TRD Sport, covering everything from drain points to bleeding air from the system.