Suburban 1/2 Ton 2WD V8-5.3L VIN T (2004)
Technical Service Bulletin # 05006
Date: 050323
Recall - Brake Booster Pressure Accumulator Cracking
Product Safety - Hydro-Boost Accumulator Over-Pressurization
# 05006 - (Mar 23, 2005)
Models:
2004 Chevrolet Kodiak
2004-2005 Chevrolet Avalanche, Express, Silverado, Suburban
2004 GMC TopKick
2004-2005 GMC Savana, Sierra, Yukon XL
Condition
General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2004 Chevrolet Kodiak and GMC TopKick; 2004-2005
Chevrolet Avalanche, Express, Silverado, Suburban; GMC Savana, Sierra, Yukon XL vehicles. On some of these vehicles, the hydraulic brake booster's
pressure accumulator may crack and/or separate from the Hydro-Boost(R) assembly during normal vehicle operating conditions. If a separation were to
occur and the hood of the vehicle were open, fragments from the accumulator could cause injury to people in the immediate area. In addition, the
presence of this crack or fractured surface could allow the hydraulic fluid to leak from the accumulator circuit of the booster assembly. The loss of fluid
would cause increased steering and braking effort.
Correction
Dealers are to inspect the hydraulic brake booster, and replace it if necessary.
Vehicles Involved
Involved are certain 2004 Chevrolet Kodiak and GMC TopKick; 2004-2005 Chevrolet Avalanche, Express, Silverado, Suburban; GMC Savana, Sierra,
