| Subject: | Windnoise Around B-Pillar (Add Sealer) | 
| Models: | 1999-2001 Chevrolet Corvette (Hardtop) | 
Some owners may comment on windnoise around the B-pillar.
The windnoise may be caused by a void in the sealer behind the B-pillar weatherstrip retainer.
Remove the weatherstrip retainer and the B-pillar exterior molding. Seal the void with GM RTV Silicone Rubber Sealant-Black, P/N 12345739 (in Canada, use P/N 10953541).
Part Number  | Description  | 
|---|---|
12345739 (U.S.) 10953541 (Canada)  | GM RTV Silicone Rubber Sealant-Black  | 
Parts are currently available from GMSPO.
For vehicles repaired under warranty, use:
Labor Operation  | Description  | Labor Time  | 
|---|---|---|
C1520  | Retainer (RH), Weatherstrip Body Lock Pillar  | 0.4 hr  | 
C1521  | Retainer (LH), Weatherstrip Body Lock Pillar  | 0.4 hr  |