Service Brakes Related Problems of the 2018 GMC Sierra 1500

Table 1 shows two common service brakes related problems of the 2018 GMC Sierra 1500. The number one most common problem is related to the service brakes (41 problems). The second most common problem is related to the brake hoses, lines/piping, and fittings (one problem).

Table 1. Service Brakes related problems of GMC Sierra 1500


Recently reported Service Brakes problems of the 2018 GMC Sierra 1500

The Service Brakes problem

The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at various speeds, while depressing the brake pedal to slow down, the brake pedal lost pressure, and the vehicle experienced a reduction in braking power.   Read details...

The Brake Hoses, Lines/piping, And Fittings problem

Left rear brake line appears to be installed in harms way. That is, an object on the road could be struck which could tear away the brake line resulting in loss of braking power. Other vehicles of the same type on the dealer's lot were observed to be of the same design.   Read details...


Service Brakes related problems in other GMC Sierra 1500 model year vehicles:



Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations