TSB Document:

Affected Component: ENGINE (PWS)

Summary
"THIS BULLETIN ANNOUNCES THE AVAILABILITY OF REVISED VALVE TRAIN COMPONENTS DEVELOPED TO REDUCE A TAPPING TYPE SOUND WHICH MAY BE HEARD COMING FROM THE LEFT-HAND (B2) SIDE OF THE ENGINE WHEN THE ENGINE IS WARM. THIS BULLETIN DOES NOT ADDRESS ANY COLD ENGINE OR START-UP TYPE SOUNDS. THE CHANGES CONSIST OF: • DESIGN CHANGE TO THE VALVE ROCKERS • CAMSHAFT PROFILE CHANGE • INCREASED INTAKE VALVE STEM LENGTH (1.65MM LONGER INTAKE, 2.4MM LONGER EXHAUST) IN ADDITION, THE INSULATOR PAD HAS BEEN ELIMINATED FROM THE B2 INTAKE MANIFOLD PROTECTOR."

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Date Published
OCT 28, 2013
NHTSA TSB #
10093372
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