NHTSA Recall 04V045000

SERVICE BRAKES, HYDRAULICFeb 4, 2004· GENERAL MOTORS CORP.

Summary

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.

Affected Vehicles

YearMakeModel
2003CadillacEscalade
2004CadillacEscalade
2003CadillacEscalade Esv
2004CadillacEscalade Esv
2003CadillacEscalade Ext
2004CadillacEscalade Ext
2003ChevroletAvalanche
2004ChevroletAvalanche
2003ChevroletExpress
2004ChevroletExpress
2003ChevroletSilverado
2004ChevroletSilverado
2003ChevroletSuburban
2004ChevroletSuburban
2003ChevroletTahoe
2004ChevroletTahoe
2003GMCSavana
2004GMCSavana
2003GMCSierra
2004GMCSierra
2003GMCYukon
2004GMCYukon
2003GMCYukon Xl
2004GMCYukon Xl

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