LifestyleOne Tap Tells You If the Engine's Bad: Toyota Solves V6 Recall Headache with a Plastic Hammer
Toyota has developed the "V35A Crankshaft Bearing Inspection" method for its 3.4-liter twin-turbo V6 recall—technicians tap the crankshaft pulley with a plastic hammer and read the resonance frequency via an accelerometer, catching faulty bearings without ever tearing the engine apart.
