Express 1500 RWD V6-4.3L VIN X (2005)
Hydraulic Brake Booster: All Technical Service Bulletins
Brakes - Apparent Hydro-Boost Unit Leaks
Bulletin No.: 06-05-22-006
Date: October 17, 2006
TECHNICAL
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
Condition
Some customers may comment on what may appear to be brake fluid leaking from the Hydro-Boost Unit/Power Brake Booster.
Cause
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.
Correction
Do not replace the Hydro-Boost Unit/Power Brake Booster. Dealers are to follow the Power Brake Booster Leak Inspection in SI.
Warranty Information
For vehicles repaired under warranty, use the table.
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