Ford will recall 90,736 vehicles as engine intake valves in the vehicles may break while driving, the National Highway Traffic Safety Administration (NHTSA) said on Saturday.

The recall impacts certain 2021-2022 Bronco, F-150, Edge, Explorer, Lincoln Nautilus, and Lincoln Aviator vehicles equipped with either a 2.7L or 3.0L Nano EcoBoost engine, the NHTSA said.

As part of the remedy, dealers will perform an engine cycle test and replace the engine as necessary, free of charge, the regulator said.

  • tal@lemmy.todayEnglish
    8·
    2 months ago

    and replace the engine as necessary,

    Honestly, it kind of feels like the industry should have figured out how to make a gasoline engine by this point in the product’s lifecycle.

    kagis

    https://www.aa1car.com/library/ford_engine_valve_failure.htm

    Ford says the intake valves in these engines were made from a special weight-saving alloy called Silchrome Lite. These valves must be carefully heat treated during manufacture because getting them too hot can make the alloy too hard and brittle, increasing the risk of cracking and sudden failure. The Silichrome Lite alloy has since been discontinued and replaced with a different alloy called Silchrome that is less prone to cracking and failure.

    I guess it was due to a new material and that they were probably using it due to fuel efficiency requirements, so I guess it’s kind of a new environment.

      • ForgotAboutDre@lemmy.world
        9·
        2 months ago

        It more likely related to the valve being able to move faster with less force. That then allows the engine to run more efficiently.

      • tal@lemmy.todayEnglish
        3·
        2 months ago

        Probably not low-hanging fruit for weight reduction, but manufacturers have been reducing weight across-the-board for decades, so I expect that the biggest wins have probably been done a long time ago.