What causes a GM Silverado to have a brake failure?
Reportedly there have been hundreds of complaints from owners who have experienced the same problem some having been in accidents because of it. GM did put out a service bulletin (PIT5361B) stating a possible cause is motor oil getting into the brake booster and/or the booster vacuum line coming from the vacuum pump.
Why are my brakes not working at low speed?
Once through the gate, I got up to about 20 mph and tried the brakes and they worked fine however when I got to the parking lot and was backing into a space, the issue started again. It appears the problem was only happening at very low speed.
Is it safe to drive a GMC Sierra?
The dealer and now GM say that this is a normal function for this vehicle , but now the brake pedal goes to the floor and although they are telling me it is safe to drive I am refusing . This truck sits in my garage . I found over 100 similar complaints on the NHTSA web site , some involving accidents with injuries and deaths .
What kind of truck has a brake failure?
Apparently this problem has been reported on the 2015-2016 Cadillac Escalade, 2014-2016 Chevrolet Silverado 1500, 2015-2016 Chevrolet Suburban, 2015-2016 Chevrolet Tahoe, 2014-2016 GMC Sierra 1500 and 2015-2016 Yukon. That afternoon, I tried the brakes before leaving the parking lot and they functioned normally.
Reportedly there have been hundreds of complaints from owners who have experienced the same problem some having been in accidents because of it. GM did put out a service bulletin (PIT5361B) stating a possible cause is motor oil getting into the brake booster and/or the booster vacuum line coming from the vacuum pump.
When to troubleshoot a GMC ABS brake system?
Instead, the ABS system will pump the brakes to provide better control over the vehicle for the driver. If you suspect you are having trouble with the GMC ABS brake system, you should troubleshoot the problem to verify whether there is a failure in the system. Open the fuse panel underneath the dash.
Once through the gate, I got up to about 20 mph and tried the brakes and they worked fine however when I got to the parking lot and was backing into a space, the issue started again. It appears the problem was only happening at very low speed.
The dealer and now GM say that this is a normal function for this vehicle , but now the brake pedal goes to the floor and although they are telling me it is safe to drive I am refusing . This truck sits in my garage . I found over 100 similar complaints on the NHTSA web site , some involving accidents with injuries and deaths .