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Recall 2004037

Brakes · Hummer, Chevrolet, Cadillac, Gmc · published 29 Jan 2004

4,075Vehicles affected in Canada
13Models
2003–2004Model years
Light Truck & VanSafety Mfr

The issue

On certain vehicles, the relief valve o-ring seal within the brake hydro-boost module could fail. If this happens during braking applications, the driver may be able to hear an engine compartment noise similar to the sound that occurs when the steering wheel is turned to a full stop position. The driver could also experience a slight increase in steering efforts while braking and parking. Under certain driving conditions, a slight increase in the applied brake pedal effort may be required to achieve the same vehicle deceleration rate as prior to the seal failure. Correction: Dealers will inspect the hydro-boost module, and replace it, if necessary.

Description (français)

Sur certains véhicules, le joint torique du robinet de sûreté se trouvant à l'intérieur du module hydro-boost des freins pourrait faire défaut. Si cela se produisait lors d'une manoeuvre de freinage, il se pourrait que le conducteur entende un bruit provenant du compartiment moteur semblable au son qui se produit lorsque l'on tourne le volant au maximum. Le volant pourrait être légèrement plus difficile à tourner lors des manoeuvres de freinage ou de stationnement. Dans certaines conditions de conduite, il se pourrait que le conducteur doive appuyer plus fortement sur la pédale de freinage. Correction : Les concessionnaires devront inspecter le module hydro-boost et le remplacer si nécessaire.

Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged

Vehicles covered

Make and modelModel years
Cadillac Escalade2003, 2004
Cadillac Escalade ESV2003, 2004
Cadillac Escalade EXT2003, 2004
Chevrolet Avalanche2003, 2004
Chevrolet Express2003, 2004
Chevrolet Silverado2003, 2004
Chevrolet Suburban2003, 2004
Chevrolet Tahoe2004
GMC Savana2003, 2004
GMC Sierra2003, 2004
GMC Yukon2003, 2004
GMC Yukon XL2003, 2004
Hummer H22003, 2004

Model years in this recall

NHTSA complaints and the number of recall campaigns for each model year this recall covers.

ModelYearComplaintsRecallsComplaints about brakes
Cadillac Escalade2003814—
Cadillac Escalade2004692—
Cadillac Escalade ESV2003121—
Cadillac Escalade ESV2004221—
Cadillac Escalade EXT2003152—
Cadillac Escalade EXT2004112—
Chevrolet Avalanche20032044—
Chevrolet Avalanche20041655—
Chevrolet Express20035910—
Chevrolet Express2004216—
Chevrolet Silverado20036956—
Chevrolet Silverado20046228—
Chevrolet Suburban20033015—
Chevrolet Suburban20042044—
Chevrolet Tahoe20044672—
GMC Savana20032211—
GMC Savana2004127—
GMC Sierra20032066—
GMC Sierra20041887—
GMC Yukon20032044—
GMC Yukon20041592—
GMC Yukon XL20031023—
GMC Yukon XL2004873—
Hummer H220031414—
Hummer H22004593—