2018 GMC Sierra 1500 Vacuum recall 20V603000
Safety recall
Symptoms / what can happen
A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.
Cause
General Motors LLC (GM) is recalling certain 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.
The fix, in plain English
Safety recall work is done free by a franchised dealer. Official remedy: GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM's number for this recall is N202300860.
Difficulty
Not DIY: recall remedies are performed by a franchised dealer.
Cost
Free to the owner at a dealer while the recall applies. Outside the recall, costs vary; get a written quote.
Typical parts (search links, no affiliate codes)
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