The service bulletin TSB PIP5752A was issued after GM has identified a bad batch of valve springs that have been used across GM’s V8 line-up that includes the L87, LT1, LT2, LT4, L82, L84, and L8T engines. If your 2020 Corvette was built between June 1st to September 15th, keep reading… Like the previous recall for a brake sensor issue that affected six GM vehicles, the problem regarding V8 valve springs isn’t just limited to new Corvettes as everything from Camaro to Silverado to the Chevy Express Van is affected. Ask a lot of questions, check NHTSA's search page, and call the automaker if necessary to verify which TSBs, if any, are applicable to your vehicle.I’m a few days behind the curve on another unfortunate mechanical issue that’s been affecting new C8 Corvette owners. In the meantime, glean what you can from your dealership or mechanic. The Act has failed in the past, but this year's hearings have earned it bipartisan support that might finally lead to passage. That might finally change with the passage of a federal Right to Repair Act, which includes the requirement for TSBs in full to be made publicly available. On NHTSA's TSB search page-the only place accessible by consumers without a subscription to one of these services, such as independent-mechanic-oriented Alldata-the information is very cryptic and in the form of non-standard abbreviations.įor instance, Consumer Reports gives the example of "MIL ON," which is supposed to mean that the 'check engine' light would be on if experiencing the issue.Ī number of other recent issues that have led to safety-related recalls-such as Ford's software issue with braking on its Fusion Hybrid-have started out as TSBs.Īccording to Center for Auto Safety executive director Clarence Ditlow, automakers own the text of TSBs, so NHTSA isn't able to publish them.
If the customer notices the issue and asks for a fix, they'll almost always receive it free of charge if not, who's to know? But unless the TSB pertains to something serious like the engine, transmission, or fuel system the fix isn't likely to be automatic. If it is safety related, it can be escalated to a safety-related recall. Some automakers prefer it this way, as more than 5,000 TSBs are released each year and they often outline an issue that most often isn't safety related.
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