There is a slight but audible knock coming from the engine when it is idleling!? I just picked up the car yesterday ... concerned it maybe something serious that is just beggining to developpe

Asked by Aug 31, 2007 at 06:17 PM about the 2006 Chevrolet Impala LT

Question type: Maintenance & Repair

very low knocking noise ... heard when idleling.  When I open the hood ... you hear what I would call a "clicking" noise.

1 Answer

44,895

Could be as simple as a valve lifter that is sticking, a slight exhaust leak, or possibly a bearing in one of the engine accessory pulleys like alternator beginning to go out. You don't mention where it is coming from specifically, left or right of engine, etc. Then again, it may be nothing, could just be normal sound of fuel injectors chattering.

Your Answer

Chevrolet Impala Experts

  • #1
    Js08016
    Reputation
    1,880
  • #2
    Tom Demyan
    Reputation
    1,800
  • #3
    Danny Wang
    Reputation
    1,680
View All

Related Models For Sale

Used Chevrolet Malibu
975 Great Deals out of 66,469 listings starting at $1,000
Used Dodge Charger
428 Great Deals out of 28,008 listings starting at $2,490
Used Honda Accord
1,081 Great Deals out of 56,431 listings starting at $899
Used Nissan Maxima
283 Great Deals out of 22,801 listings starting at $1,499
Used Chrysler 300
302 Great Deals out of 17,877 listings starting at $990
Used Toyota Camry
993 Great Deals out of 79,612 listings starting at $1,200
Used Buick LaCrosse
306 Great Deals out of 18,174 listings starting at $1,450
Used Ford Mustang
618 Great Deals out of 36,130 listings starting at $1,800
Used Ford Fusion
977 Great Deals out of 67,839 listings starting at $1,500
Used Chevrolet Silverado 1500
2,268 Great Deals out of 168,160 listings starting at $1,000
Used Chevrolet Tahoe
733 Great Deals out of 41,251 listings starting at $1,995
Used Nissan Altima
985 Great Deals out of 76,877 listings starting at $1,627
Used Ford Taurus
186 Great Deals out of 15,843 listings starting at $1,850

Used Cars For Sale

2018 Chevrolet Impala LT For Sale
4,365 listings starting at $21,060
2017 Chevrolet Impala LT For Sale
48 Great Deals out of 3,441 listings starting at $16,568
2016 Chevrolet Impala LT For Sale
4 Great Deals out of 250 listings starting at $13,698
2015 Chevrolet Impala LT For Sale
240 listings starting at $11,987
2014 Chevrolet Impala LT For Sale
3 Great Deals out of 436 listings starting at $10,990

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.