| Subject: | Hydro-Boost Unit /Power Brake Booster Appears to be Leaking (Refer to Power Brake Booster Leak Inspection in SI) | 
| Models: | 2003-2007 Chevrolet Express Vans | 
| 2003-2007 GMC Savana Vans | 
Some customers may comment on what may appear to be brake fluid leaking from the Hydro-Boost Unit /Power Brake Booster.
The Hydro-Boost Unit /Power Brake Booster may appear wet due to excessive assembly fluid during manufacturing or brake fluid that could have been spilled during system fill.
Do not replace the Hydro-Boost Unit /Power Brake Booster. Dealers are to follow the Power Brake Booster Leak Inspection in SI.
For vehicles repaired under warranty, use:
Labor Operation  | Description  | Labor Time  | 
|---|---|---|
H9721*  | Leak Inspection, Hydro-Boost Unit /Power Brake Booster  | 0.4 hr  | 
*This is a unique labor operation number for bulletin use only. This number will not be published in the Labor Time Guide.  | ||