Service bulletins for the 2018 Chevrolet Corvette
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1009 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Radiator are shown. Show all
| N202302720 | 2021-02-01. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; EQUIPMENT. Special Coverage. Certain vehicles may have a condition where the vehicle may overheat and enter a reduced power mode when driven on a track at sustained high speeds in high ambient temperatures. Dealers are to install an updated radiator package and, for automatic transmission vehicles, updated shift-point calibration software. The repairs will be made at no charge to the customer. The customer must provide evidence of an overheating condition in the form of one of the following: Diagnostic Trouble Code, photos, or videos. The dealer should make a copy of any customer evidence provided and file with the warranty claim. |
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| 19NA104 | 2019-07-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.