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Chevrolet certain trucks, sport utility vehicles, and vans equipped with bosch HYDRO-BOOST brake assemblies, the hydraulic brake booster pressure accumulator may crack and separate from the HYDRO-BOOST assembly during normal operating conditions.

NHTSA campaign 05V-043 · Reported August 2, 2005 · thousands of vehicles affected

AFFECTED MODELS
Chevrolet Express and Savana
VEHICLES AFFECTED
thousands of
REMEDY
DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE.
COST
Free

The short version

GENERAL MOTORS CORP. reported a problem with the service brakes, hydraulic. Here is what owners need to know.

WHAT

CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.

WHY IT MATTERS

IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY.

WHAT TO DO

IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE.

Affected vehicles

These model years are included in NHTSA campaign 05V-043.

YEAR RANGEMODEL
2004–2005Chevrolet Express
2004–2005GMC Savana

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

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What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with GENERAL MOTORS CORP. or the National Highway Traffic Safety Administration.