Toyota Techs Are Hitting Tundra Engines With a Hammer—Here’s Why

This video was first publish on Pickup Truck Plus SUV Talk

Toyota technicians are using a plastic hammer, an accelerometer and diagnostic software to determine whether certain recalled Tundra engines need replacement.

Toyota calls it the V35A Crank Bearing Inspection. After preparing the engine, a technician mounts an accelerometer to the crankshaft bolt and strikes the pulley three times at a specified location. The measurements are sent to Toyota’s system, which returns one of two results: the engine passes, or the engine assembly must be replaced.

In this video, Publisher Tim Esterdahl explains how the unusual inspection works, which Toyota Tundras are involved and the established engineering behind the so-called “hammer test.”

Read the full story:
https://pickuptrucktalk.com/2026/08/toyota-tundra-engine-recall-hammer-test/
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