NHTSA Campaign 04V045000

SERVICE BRAKES, HYDRAULIC

Issued by GENERAL MOTORS CORP. · Reported Feb 4, 2004 · 68,875 vehicles affected

What's wrong

CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.

Consequence

CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.

Remedy

DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.

Vehicles affected by this recall

Make Model Year Units
CADILLAC ESCALADE 2003 68,875
CADILLAC ESCALADE 2004 68,875
CADILLAC ESCALADE ESV 2003 68,875
CADILLAC ESCALADE ESV 2004 68,875
CADILLAC ESCALADE EXT 2003 68,875
CADILLAC ESCALADE EXT 2004 68,875
CHEVROLET AVALANCHE 2003 68,875
CHEVROLET AVALANCHE 2004 68,875
CHEVROLET EXPRESS 2003 68,875
CHEVROLET EXPRESS 2004 68,875
CHEVROLET SILVERADO 2003 68,875
CHEVROLET SILVERADO 2004 68,875
CHEVROLET SUBURBAN 2003 68,875
CHEVROLET SUBURBAN 2004 68,875
CHEVROLET TAHOE 2003 68,875
CHEVROLET TAHOE 2004 68,875
GMC SAVANA 2003 68,875
GMC SAVANA 2004 68,875
GMC SIERRA 2003 68,875
GMC SIERRA 2004 68,875
GMC YUKON 2003 68,875
GMC YUKON 2004 68,875
GMC YUKON XL 2003 68,875
GMC YUKON XL 2004 68,875
HUMMER H2 2003 68,875
HUMMER H2 2004 68,875

Source: NHTSA Campaign 04V045000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.