News Technical Service Bulletins

Chevy Corvette May Have Broken Valve Spring

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This bulletin applies to 2014-2019 Chevy Corvette models equipped with a 6.2L LT1/LT4/LT5 engine. 

The SES lamp may be on and DTC P0106 and P0506 may be found stored. The engine may have a broken valve spring. 

Inspect valve springs and replace any that are broken, as long as a valve(s) has not dropped and caused block or piston damage.  

If a broken spring is found, be sure to inspect the intake manifold for a possible collapsed runner.

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