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Contributing Writer, GM-Trucks.com
General Motors has announced that NHTSA is mandating a safety recall for the following vehicles:
2014-2018 Chevrolet Silverado and GMC Sierra Pickups (1500 / 2500 / 3500) 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles 2015-2017 Cadillac Escalade
NHTSA reports that the amount of vacuum created by the vacuum pump may decrease over time. The group says that as the vacuum level drops, the brake assist decreases, and that this increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash. This new recall covers 3.4 million vehicles.
The Problem: The brake pump uses engine oil to lubricate itself. If the pump becomes clogged with engine oil sludge the units ability to create vaccum is diminished over time. As a result, braking force and ability also drops. The issue is usually accompanied by a "Service Brake Assist" warning message in the dash.
The Fix: GM will reprogram the computer that controls the secondary brake assist pump. The secondary pump will now activate at lower speeds and different situations quicker to compensate for any lost output from the main pump. Since the pumps are not failing, GM has decided not to replace them.
GM's number for this recall is N192268490. In compliance with federal law, GM will notify owners, typically by snail mail. GM says that its dealers will reprogram the Electronic Brake Control Module. However, GM has not yet provided a notification schedule. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782.
If you own one of these vehicles and wish to check to see if your vehicle is included (or not) you can do so at this link immediately.
As with every safety recall, customers will not be charged by GM for the needed repairs or modifications.
NHTSA's public information on this issue indicates that many accidents have been reported to NHTSA including some with injuries. This recall is the result of a NHTSA investigation that lasted nearly a year. In its investigation report, NHTSA noted the following details about the problem:
Hey folks, first time posting here and maybe it’s a common thing. I’ve searched google and YouTube for days, replaced parts, and done the troubleshooting I know to do. So here it is, bear in mind, im no auto mechanic. I’m a jet mechanic/toolmaker. Lol
my front pass brake locked up Friday, and the abs/parking brake light has been on since the dealer I got the truck from replaced the parking brake cable. I don’t hear a roaring, so I don’t feel like it’s a hub, but I do have some bouncing on the front end which leads me to think it may be an axel, which I still have to get looked at.
parking brake and abs lights come on after a few seconds of driving, I hear brakes grinding, and I just replaced both front rotors, pads, and passenger caliper and abs sensor after it locked up; since it melted the abs sensor cable.
brakes are bled properly and working, but they aren’t fully releasing. I’ve checked fluid, it’s not overfilled. Driver hub was previously replaced but not passenger for some reason. I considered ordering a hub for the passenger side just for that. Rotors are 305mm and the pads I installed are ceramic from brake best. Yes, the rotors get hot after a short drive, like too hot to touch. I’d rather not have these things lock up on me again. The only thing left I know to check are the piston in the master cylinder, or the passenger hub.
Any ideas? If I’ve missed good reference material or prior posts please feel free to comment with a link and a nice “check here dumbass.” Lol
thanks in advance.
I have recently noticed when I apply my brakes on my 2500 HD my truck pulls to the left and steering wheel shutters. The brakes should be good, don't have that many miles on them. It happens when I hit the brakes quick. If I gradually put them on it doesn't do it.
Does anyone have the Brembo 6-piston brake calipers installed before or after the fact?
My previous vehicle had factory Brembo brakes and it was awesome. It had great bite with no fuss. Anytime i get in a vehicle without Brembo brakes, I notice the difference. The default brakes on this truck sometimes feel inadequate to me. If the Brembo package wasn't so expensive, i would probably go for it.
I'm sure this topic has been overplayed, but I have looked through many of the topics and still haven't had my question answered, so here goes. I have a 2014 CC Silverado with a Procharged 5.3 that has an Air Lift bag system with an onboard compressor. Clearly I have some use for this truck outside of mere daily driving. In fact, I tow a small fifth wheel on Florida's relatively flat roads (fully loaded @ 9k and 1,300 pin weight) about 7-8 times per year for local camping trips (less than 200 mi.). I have no complaints with the truck's performance in any way, but it is time to look at changing the brakes, and I would like to upgrade to a reasonably priced high-quality brake system geared towards a towing application. I have tentatively settled on a PowerStop Z36 4 wheel system and wonder if anyone has any experience with them who tows a "heavy" load such as I do.
I appreciate any feedback,
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