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Found 3 results

  1. I found the brake pedal in my GMC Sierra 6.2 model 2014 is hard at idle after 2 to 3 presses. I cancelled the original vacuum pump line and connected the brake booster to the intake manifold vacuum source. The old line was covered with air filter element to avoid dirts to enter the vacuum pump. Now the problem is completely resolved. Is there any other options? Anyone tried this idea and appreciate if can share his experience and feedback. Regards,
  2. John Goreham Contributing Writer, GM-Trucks.com 9-11-2019 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:
  3. If anyone has this issue of lost brake pressure at idle or stop(low RPM) and or hard brake pedal. I had a feeling it was the brake booster pump. Took to local dealership. They verified that it was the problem. My 2017 Silverado is out of warranty(47k miles) and thought this was gonna cost me $$$. There is currently a special warranty on this problem due to crash risk. Luckily it will cover the entire parts and labor. I do not know at this time if there is a mileage limitation on this special warranty, but if you're in the same boat as me, go get it checked out!
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