When im approaching a stop and i start pressing the btake the rpm moves up. Whats happening?

Asked by Jun 22, 2016 at 12:00 AM about the 2014 GMC Sierra 1500 SLE Crew Cab

Question type: Maintenance & Repair

2 Answers

30,055

check for a vacuum leak...

113,585

Sounds like you have a brake booster starting to fail, try this start the engine and let it idle for a bit then shut it off, when is quiet slowly step, but n the brake pedal and listen for a hissing sound, if you hear one then the booster is leaking and will need replaced. HTH

Your Answer

GMC Sierra 1500 Experts

  • #1
    dragonflyoffshore
    Reputation
    5,590
  • #2
    John Saffrahn
    Reputation
    3,870
  • #3
    Glenn Clingenpeel
    Reputation
    3,680
View All

Related Models For Sale

Used Chevrolet Silverado 1500
1,781 Great Deals out of 149,285 listings starting at $1,495
Used Ford F-150
2,344 Great Deals out of 215,477 listings starting at $1,300
Used GMC Sierra 2500HD
142 Great Deals out of 15,260 listings starting at $3,500
Used Toyota Tundra
478 Great Deals out of 38,526 listings starting at $1,999
Used Chevrolet Silverado 2500HD
361 Great Deals out of 29,859 listings starting at $2,500
Used Ram 1500
901 Great Deals out of 119,059 listings starting at $5,995
Used Toyota Tacoma
439 Great Deals out of 44,078 listings starting at $1,995
Used Chevrolet Tahoe
528 Great Deals out of 36,655 listings starting at $1,375
Used GMC Yukon
311 Great Deals out of 19,755 listings starting at $1,400
Used Ford F-250 Super Duty
374 Great Deals out of 42,218 listings starting at $1,600
Used Chevrolet Colorado
295 Great Deals out of 41,682 listings starting at $1,900
Used Chevrolet Camaro
224 Great Deals out of 28,922 listings starting at $3,900
Used GMC Canyon
105 Great Deals out of 15,009 listings starting at $1,100

Used Cars For Sale

2018 GMC Sierra 1500 SLE Crew Cab For Sale
811 listings starting at $31,260
2017 GMC Sierra 1500 SLE Crew Cab For Sale
3 Great Deals out of 263 listings starting at $29,329
2016 GMC Sierra 1500 SLE Crew Cab For Sale
4 Great Deals out of 87 listings starting at $24,990
2015 GMC Sierra 1500 SLE Crew Cab For Sale
6 Great Deals out of 228 listings starting at $23,877
2014 GMC Sierra 1500 SLE Crew Cab For Sale
12 Great Deals out of 209 listings starting at $17,495

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.