2004 chevy impala heater issues

Asked by Dec 23, 2017 at 05:17 PM about the 2004 Chevrolet Impala

Question type: Maintenance & Repair

I recently bought this car from a private owner and I did not thoroughly  investigate the heating components because it worked in the setting it was set to. However one day I switched the flow of air from the floor to the defrost setting and it quit working. You can hear a slight buzzing or humming sound start everytime you rotate the dial for the air flow. for example from face to dash or dash to floor. Also they have removed the radio that was in there and just cut the wires Im wondering if maybe they shorted something out or backfed and caused a short..... I have the radio but I could use some diagrams so I can hard wire it back in or open to suggestions and help.

1 Answer

75

I had a similar issue with mine. There is a module that controls the air diverter. The system turns off or down the fan motor so the diverter can move to the proper location. question is, does the fan blow air in the other locations? You should set the controls to Floor, Dash(face), and Defrost(Dash) (All the way Right, Straight up, and all the way left) and see if the fan works. If so, see if the air is only coming from the location the knob is pointed to. If not remove the glove box and replace the AC Heater Temperature Actuator.

Your Answer:

Chevrolet Impala Experts

  • #1
    Js08016
    Reputation
    3,090
  • #2
    Rowefast
    Reputation
    2,620
  • #3
    dandyoun
    Reputation
    2,050
View All

Related Models For Sale

Used Chevrolet Malibu
48 Great Deals out of 2,168 listings starting at $2,688
Used Honda Accord
24 Great Deals out of 1,731 listings starting at $1,995
Used Nissan Maxima
19 Great Deals out of 384 listings starting at $2,400
Used Chrysler 300
34 Great Deals out of 927 listings starting at $4,499
Used Toyota Camry
40 Great Deals out of 1,611 listings starting at $1,995
Used Buick LaCrosse
9 Great Deals out of 421 listings starting at $5,491
Used Chevrolet Tahoe
12 Great Deals out of 1,282 listings starting at $3,690
Used Chevrolet Silverado 1500
64 Great Deals out of 10,402 listings starting at $4,750
Used Nissan Altima
48 Great Deals out of 1,691 listings starting at $2,500
Used Ford Mustang
30 Great Deals out of 1,796 listings starting at $4,800
Used Ford Taurus
19 Great Deals out of 373 listings starting at $4,500

Used Cars for Sale

2019 Chevrolet Impala For Sale
4 Great Deals out of 117 listings starting at $29,977
2018 Chevrolet Impala For Sale
15 Great Deals out of 404 listings starting at $17,950
2017 Chevrolet Impala For Sale
5 Great Deals out of 85 listings starting at $13,940
2016 Chevrolet Impala For Sale
29 listings starting at $13,999
2015 Chevrolet Impala For Sale
49 listings starting at $10,900

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. Content will be removed if CarGurus becomes aware that it violates our policies.