GM Issues New Service Bulletin for Certain 2024-25 Corvettes with a Door Water Leak

Mar 26, 2025

10915

GM Issues New Service Bulletin for Certain 2024-25 Corvettes with a Door Water Leak

Photo Credit: Chevrolet

We got another Technical Service Bulletin from General Motors this week and it targets both 2024 and 2025 model year Corvettes in which water leaks into the cabin from the doors. So, I imagine many of you right are running out to check your interiors to see if there are any water leaks among the bottom edge and into the carpet. Luckily, GM believes the number of Corvettes affected is actually pretty small, but the fix is still pretty involved.

The part at issue is called the Front Side Door Water Deflector and our Corvettes have one for each of the side doors. Water flowing down the windows and into the doors is usually diverted, but not with these faulty deflectors, so water has been getting into the carpet with some reports of mold, mildew, and discoloration due to the water leak.

GM will fix this issue under warranty for those 2024 and 2025 Corvette owners, and it starts with service techs removing the door panels and then testing the water deflectors by hitting the door with a hose for two or three minutes. If there is water in the cabin, you know you have a leak! Photos show that the area of the interior most likely affected is the lip where the emergency door pulls are located.

Depending on the damage from the water leaks, the techs will also determine if the carpet needs to be replaced or not. The warranty documents that we have below thanks to our friends at the MidEngineCorvetteForum.com show that the time to inspect the Left Hand and Right Hand Front Side Door Water Deflectors takes 0.9 labor hours while the inspection and replacement procedure totals 1.1 labor hours. If any of the carpet needs to be changed, that will add a little over a labor hour for each side.

Here’s the complete TSB for N242479150 Door Water Leak: