HealthThe Driveabout 2 hours ago
Toyota Uses Plastic Hammer to Diagnose Recalled V6 Engines
4 min read
Toyota's official procedure for diagnosing recalled V6 engines uses a tiny plastic hammer to strike the crank pulley and measure vibrations. The test assesses the #1 main bearing's condition via resonant frequency, helping determine if the engine needs replacement without a full teardown.
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