2012 impala

Asked by Nov 24, 2016 at 11:15 PM about the 2012 Chevrolet Impala LS

Question type: Maintenance & Repair

While on park and idleing at stop
there's a small thump coming from
under the hood????

2 Answers

28,025

Might be low AC, causing your AC compressor to cycle on and off. When mine got low, the compressor would kick on then off so hard I felt a thump. Try idling with the hood up and see if the thump matches with compressor cycling on. Also check the serpentine belt and idler/tensioner pulleys.

4,195

Hello 650bayarea, I can certainly understand how frustrating these symptoms would be, and am sorry for any dissatisfaction. While I understand you’re seeking opinions, please know that our team welcomes the opportunity to assist you with this vehicle concern. Unfortunately, because we are not certified mechanics, we are not able to provide you any technical advice or feedback. For this reason, we rely heavily on our dealerships to provide the best recommendations regarding repairs. If you have not brought this to the attention of a dealership yet, we’d be happy to assist you in scheduling an appointment to review your repair options. If interested, please send me an email at socialmedia@gm.com ATTN: Helen with your VIN, mileage, full contact information and name of preferred dealer. Helen GM Customer Care

Your Answer

Chevrolet Impala Experts

  • #1
    Js08016
    Reputation
    1,900
  • #2
    Tom Demyan
    Reputation
    1,840
  • #3
    Danny Wang
    Reputation
    1,710
View All

Related Models For Sale

Used Chevrolet Malibu
1,067 Great Deals out of 63,676 listings starting at $880
Used Dodge Charger
359 Great Deals out of 30,709 listings starting at $2,000
Used Chevrolet Camaro
475 Great Deals out of 31,738 listings starting at $1,450
Used Honda Accord
1,126 Great Deals out of 66,982 listings starting at $561
Used Chrysler 300
341 Great Deals out of 18,862 listings starting at $900
Used Nissan Maxima
310 Great Deals out of 22,419 listings starting at $1,200
Used Toyota Camry
962 Great Deals out of 91,651 listings starting at $300
Used Dodge Challenger
271 Great Deals out of 24,362 listings starting at $7,750
Used Buick LaCrosse
341 Great Deals out of 18,030 listings starting at $1,095
Used Chevrolet Tahoe
834 Great Deals out of 42,596 listings starting at $1,980
Used Chevrolet Silverado 1500
2,487 Great Deals out of 177,624 listings starting at $699
Used Nissan Altima
1,132 Great Deals out of 80,068 listings starting at $1,500
Used Ford Fusion
968 Great Deals out of 65,147 listings starting at $888
Used Ford Mustang
567 Great Deals out of 36,977 listings starting at $2,595
Used Ford Taurus
197 Great Deals out of 14,815 listings starting at $1,850

Used Cars For Sale

2018 Chevrolet Impala LS For Sale
1,440 listings starting at $21,351
2017 Chevrolet Impala LS For Sale
9 Great Deals out of 1,586 listings starting at $15,990
2016 Chevrolet Impala LS For Sale
3 Great Deals out of 236 listings starting at $12,990
2015 Chevrolet Impala LS For Sale
3 Great Deals out of 244 listings starting at $10,999
2014 Chevrolet Impala LS For Sale
3 Great Deals out of 303 listings starting at $9,700

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.