1.5L turbo head gasket failure and coolant intrusion
ENGINE
106 NHTSA complaints · 2025-11 → 2026-05 (sample of 200 most-recent of 1747 total)
“The head gasket malfunctioned/ broke. It has been confirmed by the Honda dealer where I currently have my vehicle. There were no messages or symptoms prior to failure. My safety and others were put at risk because my vehicle began to turn off as I was driving up a hill with no…”
“2018 Honda Accord with blown head gasket. Vehicle has a 1.5L turbo charged engine and 100,000 miles.”
“Head gasket blown, apparently this has been a known problem with Honda, which they are refusing to repair, noting mine did not come from a specific factory. [XXX] 2018 ACCORD 1.5 INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)”
“Blown head gasket”

