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Old 09-23-2020, 07:52 AM   #1
Thill444
 
Drives: 2020 SS1LE Shadow Gray Metallic
Join Date: Feb 2018
Location: New England
Posts: 294
Possible Valve Spring Issues

My car was built in July.. Lots of C8's are dropping like flies right now so I can only assume some Camaros will be affected

Quote:
#PIP5752A: Service Engine Light misfire engine noise With DTC P0300 P0106 P0506 - (Sep 22, 2020) Subject: Service Engine Light misfire engine noise With DTC P0300 P0106 P0506Involved Region or Country

North America

Condition

A Vehicle may have a concern of service engine light, misfire and engine noise with possible of DTC P0300 P0106 P0506.

Cause

Possible broken valve spring.
CorrectionDuring inspection if you determine that the engine has a broken valve spring it will be necessary to perform a cylinder leakage test on the affected cylinder.

If no cylinder leakage is observed it will be necessary to replace all valve springs on both banks if the vehicle is built between June 1, 2020 to September 15, 2020. Note: This only applies to the 6.2L engines RPOs L87, LT1, LT4 and LT2. For all other engine RPOs L82, L84 and L8T just replace the affected valve spring.

If you determine that engine has cylinder leakage it will be necessary to inspect further to determine the extent of the engine damage to determine correct repair required.

Important: All valve springs will be requested back for further analysis and inspection.
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